diff options
Diffstat (limited to 'drivers/usb')
84 files changed, 1218 insertions, 486 deletions
diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index 47d06af33747..08faf82ec31d 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -980,25 +980,60 @@ cleanup: return ret; } -static void cxacru_upload_firmware(struct cxacru_data *instance, - const struct firmware *fw, - const struct firmware *bp) + +static int cxacru_find_firmware(struct cxacru_data *instance, + char *phase, const struct firmware **fw_p) { - int ret; + struct usbatm_data *usbatm = instance->usbatm; + struct device *dev = &usbatm->usb_intf->dev; + char buf[16]; + + sprintf(buf, "cxacru-%s.bin", phase); + usb_dbg(usbatm, "cxacru_find_firmware: looking for %s\n", buf); + + if (request_firmware(fw_p, buf, dev)) { + usb_dbg(usbatm, "no stage %s firmware found\n", phase); + return -ENOENT; + } + + usb_info(usbatm, "found firmware %s\n", buf); + + return 0; +} + +static int cxacru_heavy_init(struct usbatm_data *usbatm_instance, + struct usb_interface *usb_intf) +{ + const struct firmware *fw, *bp; + struct cxacru_data *instance = usbatm_instance->driver_data; struct usbatm_data *usbatm = instance->usbatm; struct usb_device *usb_dev = usbatm->usb_dev; __le16 signature[] = { usb_dev->descriptor.idVendor, usb_dev->descriptor.idProduct }; __le32 val; + int ret; - usb_dbg(usbatm, "%s\n", __func__); + ret = cxacru_find_firmware(instance, "fw", &fw); + if (ret) { + usb_warn(usbatm_instance, "firmware (cxacru-fw.bin) unavailable (system misconfigured?)\n"); + return ret; + } + + if (instance->modem_type->boot_rom_patch) { + ret = cxacru_find_firmware(instance, "bp", &bp); + if (ret) { + usb_warn(usbatm_instance, "boot ROM patch (cxacru-bp.bin) unavailable (system misconfigured?)\n"); + release_firmware(fw); + return ret; + } + } /* FirmwarePllFClkValue */ val = cpu_to_le32(instance->modem_type->pll_f_clk); ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLFCLK_ADDR, (u8 *) &val, 4); if (ret) { usb_err(usbatm, "FirmwarePllFClkValue failed: %d\n", ret); - return; + goto done; } /* FirmwarePllBClkValue */ @@ -1006,7 +1041,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLBCLK_ADDR, (u8 *) &val, 4); if (ret) { usb_err(usbatm, "FirmwarePllBClkValue failed: %d\n", ret); - return; + goto done; } /* Enable SDRAM */ @@ -1014,7 +1049,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SDRAMEN_ADDR, (u8 *) &val, 4); if (ret) { usb_err(usbatm, "Enable SDRAM failed: %d\n", ret); - return; + goto done; } /* Firmware */ @@ -1022,7 +1057,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, FW_ADDR, fw->data, fw->size); if (ret) { usb_err(usbatm, "Firmware upload failed: %d\n", ret); - return; + goto done; } /* Boot ROM patch */ @@ -1031,7 +1066,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_ADDR, bp->data, bp->size); if (ret) { usb_err(usbatm, "Boot ROM patching failed: %d\n", ret); - return; + goto done; } } @@ -1039,7 +1074,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SIG_ADDR, (u8 *) signature, 4); if (ret) { usb_err(usbatm, "Signature storing failed: %d\n", ret); - return; + goto done; } usb_info(usbatm, "starting device\n"); @@ -1051,7 +1086,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, } if (ret) { usb_err(usbatm, "Passing control to firmware failed: %d\n", ret); - return; + goto done; } /* Delay to allow firmware to start up. */ @@ -1065,53 +1100,10 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0); if (ret < 0) { usb_err(usbatm, "modem failed to initialize: %d\n", ret); - return; - } -} - -static int cxacru_find_firmware(struct cxacru_data *instance, - char *phase, const struct firmware **fw_p) -{ - struct usbatm_data *usbatm = instance->usbatm; - struct device *dev = &usbatm->usb_intf->dev; - char buf[16]; - - sprintf(buf, "cxacru-%s.bin", phase); - usb_dbg(usbatm, "cxacru_find_firmware: looking for %s\n", buf); - - if (request_firmware(fw_p, buf, dev)) { - usb_dbg(usbatm, "no stage %s firmware found\n", phase); - return -ENOENT; - } - - usb_info(usbatm, "found firmware %s\n", buf); - - return 0; -} - -static int cxacru_heavy_init(struct usbatm_data *usbatm_instance, - struct usb_interface *usb_intf) -{ - const struct firmware *fw, *bp; - struct cxacru_data *instance = usbatm_instance->driver_data; - int ret = cxacru_find_firmware(instance, "fw", &fw); - - if (ret) { - usb_warn(usbatm_instance, "firmware (cxacru-fw.bin) unavailable (system misconfigured?)\n"); - return ret; + goto done; } - if (instance->modem_type->boot_rom_patch) { - ret = cxacru_find_firmware(instance, "bp", &bp); - if (ret) { - usb_warn(usbatm_instance, "boot ROM patch (cxacru-bp.bin) unavailable (system misconfigured?)\n"); - release_firmware(fw); - return ret; - } - } - - cxacru_upload_firmware(instance, fw, bp); - +done: if (instance->modem_type->boot_rom_patch) release_firmware(bp); release_firmware(fw); diff --git a/drivers/usb/cdns3/cdnsp-debug.h b/drivers/usb/cdns3/cdnsp-debug.h index cd138acdcce1..86860686d836 100644 --- a/drivers/usb/cdns3/cdnsp-debug.h +++ b/drivers/usb/cdns3/cdnsp-debug.h @@ -327,12 +327,13 @@ static inline const char *cdnsp_decode_trb(char *str, size_t size, u32 field0, case TRB_RESET_EP: case TRB_HALT_ENDPOINT: ret = scnprintf(str, size, - "%s: ep%d%s(%d) ctx %08x%08x slot %ld flags %c", + "%s: ep%d%s(%d) ctx %08x%08x slot %ld flags %c %c", cdnsp_trb_type_string(type), ep_num, ep_id % 2 ? "out" : "in", TRB_TO_EP_INDEX(field3), field1, field0, TRB_TO_SLOT_ID(field3), - field3 & TRB_CYCLE ? 'C' : 'c'); + field3 & TRB_CYCLE ? 'C' : 'c', + field3 & TRB_ESP ? 'P' : 'p'); break; case TRB_STOP_RING: ret = scnprintf(str, size, diff --git a/drivers/usb/cdns3/cdnsp-ep0.c b/drivers/usb/cdns3/cdnsp-ep0.c index f317d3c84781..5cd9b898ce97 100644 --- a/drivers/usb/cdns3/cdnsp-ep0.c +++ b/drivers/usb/cdns3/cdnsp-ep0.c @@ -414,6 +414,7 @@ static int cdnsp_ep0_std_request(struct cdnsp_device *pdev, void cdnsp_setup_analyze(struct cdnsp_device *pdev) { struct usb_ctrlrequest *ctrl = &pdev->setup; + struct cdnsp_ep *pep; int ret = -EINVAL; u16 len; @@ -427,10 +428,21 @@ void cdnsp_setup_analyze(struct cdnsp_device *pdev) goto out; } + pep = &pdev->eps[0]; + /* Restore the ep0 to Stopped/Running state. */ - if (pdev->eps[0].ep_state & EP_HALTED) { - trace_cdnsp_ep0_halted("Restore to normal state"); - cdnsp_halt_endpoint(pdev, &pdev->eps[0], 0); + if (pep->ep_state & EP_HALTED) { + if (GET_EP_CTX_STATE(pep->out_ctx) == EP_STATE_HALTED) + cdnsp_halt_endpoint(pdev, pep, 0); + + /* + * Halt Endpoint Command for SSP2 for ep0 preserve current + * endpoint state and driver has to synchronize the + * software endpoint state with endpoint output context + * state. + */ + pep->ep_state &= ~EP_HALTED; + pep->ep_state |= EP_STOPPED; } /* diff --git a/drivers/usb/cdns3/cdnsp-gadget.c b/drivers/usb/cdns3/cdnsp-gadget.c index 4a3f0f958256..38e693cd3efc 100644 --- a/drivers/usb/cdns3/cdnsp-gadget.c +++ b/drivers/usb/cdns3/cdnsp-gadget.c @@ -28,7 +28,8 @@ unsigned int cdnsp_port_speed(unsigned int port_status) { /*Detect gadget speed based on PORTSC register*/ - if (DEV_SUPERSPEEDPLUS(port_status)) + if (DEV_SUPERSPEEDPLUS(port_status) || + DEV_SSP_GEN1x2(port_status) || DEV_SSP_GEN2x2(port_status)) return USB_SPEED_SUPER_PLUS; else if (DEV_SUPERSPEED(port_status)) return USB_SPEED_SUPER; @@ -138,6 +139,26 @@ static void cdnsp_clear_port_change_bit(struct cdnsp_device *pdev, (portsc & PORT_CHANGE_BITS), port_regs); } +static void cdnsp_set_apb_timeout_value(struct cdnsp_device *pdev) +{ + struct cdns *cdns = dev_get_drvdata(pdev->dev); + __le32 __iomem *reg; + void __iomem *base; + u32 offset = 0; + u32 val; + + if (!cdns->override_apb_timeout) + return; + + base = &pdev->cap_regs->hc_capbase; + offset = cdnsp_find_next_ext_cap(base, offset, D_XEC_PRE_REGS_CAP); + reg = base + offset + REG_CHICKEN_BITS_3_OFFSET; + + val = le32_to_cpu(readl(reg)); + val = CHICKEN_APB_TIMEOUT_SET(val, cdns->override_apb_timeout); + writel(cpu_to_le32(val), reg); +} + static void cdnsp_set_chicken_bits_2(struct cdnsp_device *pdev, u32 bit) { __le32 __iomem *reg; @@ -526,6 +547,7 @@ int cdnsp_wait_for_cmd_compl(struct cdnsp_device *pdev) dma_addr_t cmd_deq_dma; union cdnsp_trb *event; u32 cycle_state; + u32 retry = 10; int ret, val; u64 cmd_dma; u32 flags; @@ -557,8 +579,23 @@ int cdnsp_wait_for_cmd_compl(struct cdnsp_device *pdev) flags = le32_to_cpu(event->event_cmd.flags); /* Check the owner of the TRB. */ - if ((flags & TRB_CYCLE) != cycle_state) + if ((flags & TRB_CYCLE) != cycle_state) { + /* + * Give some extra time to get chance controller + * to finish command before returning error code. + * Checking CMD_RING_BUSY is not sufficient because + * this bit is cleared to '0' when the Command + * Descriptor has been executed by controller + * and not when command completion event has + * be added to event ring. + */ + if (retry--) { + udelay(20); + continue; + } + return -EINVAL; + } cmd_dma = le64_to_cpu(event->event_cmd.cmd_trb); @@ -1772,6 +1809,8 @@ static void cdnsp_get_rev_cap(struct cdnsp_device *pdev) reg += cdnsp_find_next_ext_cap(reg, 0, RTL_REV_CAP); pdev->rev_cap = reg; + pdev->rtl_revision = readl(&pdev->rev_cap->rtl_revision); + dev_info(pdev->dev, "Rev: %08x/%08x, eps: %08x, buff: %08x/%08x\n", readl(&pdev->rev_cap->ctrl_revision), readl(&pdev->rev_cap->rtl_revision), @@ -1797,6 +1836,15 @@ static int cdnsp_gen_setup(struct cdnsp_device *pdev) pdev->hci_version = HC_VERSION(pdev->hcc_params); pdev->hcc_params = readl(&pdev->cap_regs->hcc_params); + /* + * Override the APB timeout value to give the controller more time for + * enabling UTMI clock and synchronizing APB and UTMI clock domains. + * This fix is platform specific and is required to fixes issue with + * reading incorrect value from PORTSC register after resuming + * from L1 state. + */ + cdnsp_set_apb_timeout_value(pdev); + cdnsp_get_rev_cap(pdev); /* Make sure the Device Controller is halted. */ diff --git a/drivers/usb/cdns3/cdnsp-gadget.h b/drivers/usb/cdns3/cdnsp-gadget.h index 84887dfea763..a91cca509db0 100644 --- a/drivers/usb/cdns3/cdnsp-gadget.h +++ b/drivers/usb/cdns3/cdnsp-gadget.h @@ -285,11 +285,15 @@ struct cdnsp_port_regs { #define XDEV_HS (0x3 << 10) #define XDEV_SS (0x4 << 10) #define XDEV_SSP (0x5 << 10) +#define XDEV_SSP1x2 (0x6 << 10) +#define XDEV_SSP2x2 (0x7 << 10) #define DEV_UNDEFSPEED(p) (((p) & DEV_SPEED_MASK) == (0x0 << 10)) #define DEV_FULLSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_FS) #define DEV_HIGHSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_HS) #define DEV_SUPERSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_SS) #define DEV_SUPERSPEEDPLUS(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP) +#define DEV_SSP_GEN1x2(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP1x2) +#define DEV_SSP_GEN2x2(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP2x2) #define DEV_SUPERSPEED_ANY(p) (((p) & DEV_SPEED_MASK) >= XDEV_SS) #define DEV_PORT_SPEED(p) (((p) >> 10) & 0x0f) /* Port Link State Write Strobe - set this when changing link state */ @@ -520,6 +524,9 @@ struct cdnsp_rev_cap { #define REG_CHICKEN_BITS_2_OFFSET 0x48 #define CHICKEN_XDMA_2_TP_CACHE_DIS BIT(28) +#define REG_CHICKEN_BITS_3_OFFSET 0x4C +#define CHICKEN_APB_TIMEOUT_SET(p, val) (((p) & ~GENMASK(21, 0)) | (val)) + /* XBUF Extended Capability ID. */ #define XBUF_CAP_ID 0xCB #define XBUF_RX_TAG_MASK_0_OFFSET 0x1C @@ -980,6 +987,12 @@ enum cdnsp_setup_dev { #define STREAM_ID_FOR_TRB(p) ((((p)) << 16) & GENMASK(31, 16)) #define SCT_FOR_TRB(p) (((p) << 1) & 0x7) +/* + * Halt Endpoint Command TRB field. + * The ESP bit only exists in the SSP2 controller. + */ +#define TRB_ESP BIT(9) + /* Link TRB specific fields. */ #define TRB_TC BIT(1) @@ -1357,6 +1370,7 @@ struct cdnsp_port { * @rev_cap: Controller Capabilities Registers. * @hcs_params1: Cached register copies of read-only HCSPARAMS1 * @hcc_params: Cached register copies of read-only HCCPARAMS1 + * @rtl_revision: Cached controller rtl revision. * @setup: Temporary buffer for setup packet. * @ep0_preq: Internal allocated request used during enumeration. * @ep0_stage: ep0 stage during enumeration process. @@ -1411,6 +1425,8 @@ struct cdnsp_device { __u32 hcs_params1; __u32 hcs_params3; __u32 hcc_params; + #define RTL_REVISION_NEW_LPM 0x2700 + __u32 rtl_revision; /* Lock used in interrupt thread context. */ spinlock_t lock; struct usb_ctrlrequest setup; diff --git a/drivers/usb/cdns3/cdnsp-pci.c b/drivers/usb/cdns3/cdnsp-pci.c index 2d05368a6745..36781ea60f6a 100644 --- a/drivers/usb/cdns3/cdnsp-pci.c +++ b/drivers/usb/cdns3/cdnsp-pci.c @@ -34,6 +34,8 @@ #define PCI_CLASS_SERIAL_USB_CDNS_USB3 (PCI_CLASS_SERIAL_USB << 8 | 0x80) #define PCI_CLASS_SERIAL_USB_CDNS_UDC PCI_CLASS_SERIAL_USB_DEVICE +#define CHICKEN_APB_TIMEOUT_VALUE 0x1C20 + static struct pci_dev *cdnsp_get_second_fun(struct pci_dev *pdev) { /* @@ -145,6 +147,14 @@ static int cdnsp_pci_probe(struct pci_dev *pdev, cdnsp->otg_irq = pdev->irq; } + /* + * Cadence PCI based platform require some longer timeout for APB + * to fixes domain clock synchronization issue after resuming + * controller from L1 state. + */ + cdnsp->override_apb_timeout = CHICKEN_APB_TIMEOUT_VALUE; + pci_set_drvdata(pdev, cdnsp); + if (pci_is_enabled(func)) { cdnsp->dev = dev; cdnsp->gadget_init = cdnsp_gadget_init; @@ -154,8 +164,6 @@ static int cdnsp_pci_probe(struct pci_dev *pdev, goto free_cdnsp; } - pci_set_drvdata(pdev, cdnsp); - device_wakeup_enable(&pdev->dev); if (pci_dev_run_wake(pdev)) pm_runtime_put_noidle(&pdev->dev); diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c index 46852529499d..0758f171f73e 100644 --- a/drivers/usb/cdns3/cdnsp-ring.c +++ b/drivers/usb/cdns3/cdnsp-ring.c @@ -308,7 +308,8 @@ static bool cdnsp_ring_ep_doorbell(struct cdnsp_device *pdev, writel(db_value, reg_addr); - cdnsp_force_l0_go(pdev); + if (pdev->rtl_revision < RTL_REVISION_NEW_LPM) + cdnsp_force_l0_go(pdev); /* Doorbell was set. */ return true; @@ -771,7 +772,9 @@ static int cdnsp_update_port_id(struct cdnsp_device *pdev, u32 port_id) } if (port_id != old_port) { - cdnsp_disable_slot(pdev); + if (pdev->slot_id) + cdnsp_disable_slot(pdev); + pdev->active_port = port; cdnsp_enable_slot(pdev); } @@ -2482,7 +2485,8 @@ void cdnsp_queue_halt_endpoint(struct cdnsp_device *pdev, unsigned int ep_index) { cdnsp_queue_command(pdev, 0, 0, 0, TRB_TYPE(TRB_HALT_ENDPOINT) | SLOT_ID_FOR_TRB(pdev->slot_id) | - EP_ID_FOR_TRB(ep_index)); + EP_ID_FOR_TRB(ep_index) | + (!ep_index ? TRB_ESP : 0)); } void cdnsp_force_header_wakeup(struct cdnsp_device *pdev, int intf_num) diff --git a/drivers/usb/cdns3/core.h b/drivers/usb/cdns3/core.h index 57d47348dc19..ac30ee21309d 100644 --- a/drivers/usb/cdns3/core.h +++ b/drivers/usb/cdns3/core.h @@ -79,6 +79,8 @@ struct cdns3_platform_data { * @pdata: platform data from glue layer * @lock: spinlock structure * @xhci_plat_data: xhci private data structure pointer + * @override_apb_timeout: hold value of APB timeout. For value 0 the default + * value in CHICKEN_BITS_3 will be preserved. * @gadget_init: pointer to gadget initialization function */ struct cdns { @@ -117,6 +119,7 @@ struct cdns { struct cdns3_platform_data *pdata; spinlock_t lock; struct xhci_plat_priv *xhci_plat_data; + u32 override_apb_timeout; int (*gadget_init)(struct cdns *cdns); }; diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index fd6032874bf3..8f73bd5057a6 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -2362,6 +2362,10 @@ static void udc_suspend(struct ci_hdrc *ci) */ if (hw_read(ci, OP_ENDPTLISTADDR, ~0) == 0) hw_write(ci, OP_ENDPTLISTADDR, ~0, ~0); + + if (ci->gadget.connected && + (!ci->suspended || !device_may_wakeup(ci->dev))) + usb_gadget_disconnect(&ci->gadget); } static void udc_resume(struct ci_hdrc *ci, bool power_lost) @@ -2372,6 +2376,9 @@ static void udc_resume(struct ci_hdrc *ci, bool power_lost) OTGSC_BSVIS | OTGSC_BSVIE); if (ci->vbus_active) usb_gadget_vbus_disconnect(&ci->gadget); + } else if (ci->vbus_active && ci->driver && + !ci->gadget.connected) { + usb_gadget_connect(&ci->gadget); } /* Restore value 0 if it was set for power lost check */ diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index c2ecfa3c8349..5a334e370f4d 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1520,6 +1520,12 @@ skip_countries: goto err_remove_files; } + if (quirks & CLEAR_HALT_CONDITIONS) { + /* errors intentionally ignored */ + usb_clear_halt(usb_dev, acm->in); + usb_clear_halt(usb_dev, acm->out); + } + tty_dev = tty_port_register_device(&acm->port, acm_tty_driver, minor, &control_interface->dev); if (IS_ERR(tty_dev)) { @@ -1527,11 +1533,6 @@ skip_countries: goto err_release_data_interface; } - if (quirks & CLEAR_HALT_CONDITIONS) { - usb_clear_halt(usb_dev, acm->in); - usb_clear_halt(usb_dev, acm->out); - } - dev_info(&intf->dev, "ttyACM%d: USB ACM device\n", minor); return 0; diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 16e7fa4d488d..ecd6d1f39e49 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -92,7 +92,6 @@ struct wdm_device { u16 wMaxCommand; u16 wMaxPacketSize; __le16 inum; - int reslength; int length; int read; int count; @@ -214,6 +213,11 @@ static void wdm_in_callback(struct urb *urb) if (desc->rerr == 0 && status != -EPIPE) desc->rerr = status; + if (length == 0) { + dev_dbg(&desc->intf->dev, "received ZLP\n"); + goto skip_zlp; + } + if (length + desc->length > desc->wMaxCommand) { /* The buffer would overflow */ set_bit(WDM_OVERFLOW, &desc->flags); @@ -222,18 +226,18 @@ static void wdm_in_callback(struct urb *urb) if (!test_bit(WDM_OVERFLOW, &desc->flags)) { memmove(desc->ubuf + desc->length, desc->inbuf, length); desc->length += length; - desc->reslength = length; } } skip_error: if (desc->rerr) { /* - * Since there was an error, userspace may decide to not read - * any data after poll'ing. + * If there was a ZLP or an error, userspace may decide to not + * read any data after poll'ing. * We should respond to further attempts from the device to send * data, so that we can get unstuck. */ +skip_zlp: schedule_work(&desc->service_outs_intr); } else { set_bit(WDM_READ, &desc->flags); @@ -585,15 +589,6 @@ retry: goto retry; } - if (!desc->reslength) { /* zero length read */ - dev_dbg(&desc->intf->dev, "zero length - clearing WDM_READ\n"); - clear_bit(WDM_READ, &desc->flags); - rv = service_outstanding_interrupt(desc); - spin_unlock_irq(&desc->iuspin); - if (rv < 0) - goto err; - goto retry; - } cntr = desc->length; spin_unlock_irq(&desc->iuspin); } @@ -1016,7 +1011,7 @@ static void service_interrupt_work(struct work_struct *work) spin_lock_irq(&desc->iuspin); service_outstanding_interrupt(desc); - if (!desc->resp_count) { + if (!desc->resp_count && (desc->length || desc->rerr)) { set_bit(WDM_READ, &desc->flags); wake_up(&desc->wait); } diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 34e46ef308ab..75de29725a45 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -482,6 +482,8 @@ static int usbtmc_get_stb(struct usbtmc_file_data *file_data, __u8 *stb) u8 *buffer; u8 tag; int rv; + long wait_rv; + unsigned long expire; dev_dbg(dev, "Enter ioctl_read_stb iin_ep_present: %d\n", data->iin_ep_present); @@ -511,16 +513,18 @@ static int usbtmc_get_stb(struct usbtmc_file_data *file_data, __u8 *stb) } if (data->iin_ep_present) { - rv = wait_event_interruptible_timeout( + expire = msecs_to_jiffies(file_data->timeout); + wait_rv = wait_event_interruptible_timeout( data->waitq, atomic_read(&data->iin_data_valid) != 0, - file_data->timeout); - if (rv < 0) { - dev_dbg(dev, "wait interrupted %d\n", rv); + expire); + if (wait_rv < 0) { + dev_dbg(dev, "wait interrupted %ld\n", wait_rv); + rv = wait_rv; goto exit; } - if (rv == 0) { + if (wait_rv == 0) { dev_dbg(dev, "wait timed out\n"); rv = -ETIMEDOUT; goto exit; @@ -539,6 +543,8 @@ static int usbtmc_get_stb(struct usbtmc_file_data *file_data, __u8 *stb) dev_dbg(dev, "stb:0x%02x received %d\n", (unsigned int)*stb, rv); + rv = 0; + exit: /* bump interrupt bTag */ data->iin_bTag += 1; @@ -559,14 +565,15 @@ static int usbtmc488_ioctl_read_stb(struct usbtmc_file_data *file_data, rv = usbtmc_get_stb(file_data, &stb); - if (rv > 0) { - srq_asserted = atomic_xchg(&file_data->srq_asserted, - srq_asserted); - if (srq_asserted) - stb |= 0x40; /* Set RQS bit */ + if (rv < 0) + return rv; + + srq_asserted = atomic_xchg(&file_data->srq_asserted, srq_asserted); + if (srq_asserted) + stb |= 0x40; /* Set RQS bit */ + + rv = put_user(stb, (__u8 __user *)arg); - rv = put_user(stb, (__u8 __user *)arg); - } return rv; } @@ -602,9 +609,9 @@ static int usbtmc488_ioctl_wait_srq(struct usbtmc_file_data *file_data, { struct usbtmc_device_data *data = file_data->data; struct device *dev = &data->intf->dev; - int rv; u32 timeout; unsigned long expire; + long wait_rv; if (!data->iin_ep_present) { dev_dbg(dev, "no interrupt endpoint present\n"); @@ -618,25 +625,24 @@ static int usbtmc488_ioctl_wait_srq(struct usbtmc_file_data *file_data, mutex_unlock(&data->io_mutex); - rv = wait_event_interruptible_timeout( - data->waitq, - atomic_read(&file_data->srq_asserted) != 0 || - atomic_read(&file_data->closing), - expire); + wait_rv = wait_event_interruptible_timeout( + data->waitq, + atomic_read(&file_data->srq_asserted) != 0 || + atomic_read(&file_data->closing), + expire); mutex_lock(&data->io_mutex); /* Note! disconnect or close could be called in the meantime */ if (atomic_read(&file_data->closing) || data->zombie) - rv = -ENODEV; + return -ENODEV; - if (rv < 0) { - /* dev can be invalid now! */ - pr_debug("%s - wait interrupted %d\n", __func__, rv); - return rv; + if (wait_rv < 0) { + dev_dbg(dev, "%s - wait interrupted %ld\n", __func__, wait_rv); + return wait_rv; } - if (rv == 0) { + if (wait_rv == 0) { dev_dbg(dev, "%s - wait timed out\n", __func__); return -ETIMEDOUT; } @@ -830,6 +836,7 @@ static ssize_t usbtmc_generic_read(struct usbtmc_file_data *file_data, unsigned long expire; int bufcount = 1; int again = 0; + long wait_rv; /* mutex already locked */ @@ -942,19 +949,24 @@ static ssize_t usbtmc_generic_read(struct usbtmc_file_data *file_data, if (!(flags & USBTMC_FLAG_ASYNC)) { dev_dbg(dev, "%s: before wait time %lu\n", __func__, expire); - retval = wait_event_interruptible_timeout( + wait_rv = wait_event_interruptible_timeout( file_data->wait_bulk_in, usbtmc_do_transfer(file_data), expire); - dev_dbg(dev, "%s: wait returned %d\n", - __func__, retval); + dev_dbg(dev, "%s: wait returned %ld\n", + __func__, wait_rv); + + if (wait_rv < 0) { + retval = wait_rv; + goto error; + } - if (retval <= 0) { - if (retval == 0) - retval = -ETIMEDOUT; + if (wait_rv == 0) { + retval = -ETIMEDOUT; goto error; } + } urb = usb_get_from_anchor(&file_data->in_anchor); @@ -1380,7 +1392,10 @@ static ssize_t usbtmc_read(struct file *filp, char __user *buf, if (!buffer) return -ENOMEM; - mutex_lock(&data->io_mutex); + retval = mutex_lock_interruptible(&data->io_mutex); + if (retval < 0) + goto exit_nolock; + if (data->zombie) { retval = -ENODEV; goto exit; @@ -1503,6 +1518,7 @@ static ssize_t usbtmc_read(struct file *filp, char __user *buf, exit: mutex_unlock(&data->io_mutex); +exit_nolock: kfree(buffer); return retval; } @@ -2186,7 +2202,7 @@ static long usbtmc_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case USBTMC_IOCTL_GET_STB: retval = usbtmc_get_stb(file_data, &tmp_byte); - if (retval > 0) + if (!retval) retval = put_user(tmp_byte, (__u8 __user *)arg); break; diff --git a/drivers/usb/common/usb-conn-gpio.c b/drivers/usb/common/usb-conn-gpio.c index 501e8bc9738e..1096a884c8d7 100644 --- a/drivers/usb/common/usb-conn-gpio.c +++ b/drivers/usb/common/usb-conn-gpio.c @@ -20,6 +20,9 @@ #include <linux/power_supply.h> #include <linux/regulator/consumer.h> #include <linux/usb/role.h> +#include <linux/idr.h> + +static DEFINE_IDA(usb_conn_ida); #define USB_GPIO_DEB_MS 20 /* ms */ #define USB_GPIO_DEB_US ((USB_GPIO_DEB_MS) * 1000) /* us */ @@ -29,6 +32,7 @@ struct usb_conn_info { struct device *dev; + int conn_id; /* store the IDA-allocated ID */ struct usb_role_switch *role_sw; enum usb_role last_role; struct regulator *vbus; @@ -160,7 +164,17 @@ static int usb_conn_psy_register(struct usb_conn_info *info) .of_node = dev->of_node, }; - desc->name = "usb-charger"; + info->conn_id = ida_alloc(&usb_conn_ida, GFP_KERNEL); + if (info->conn_id < 0) + return info->conn_id; + + desc->name = devm_kasprintf(dev, GFP_KERNEL, "usb-charger-%d", + info->conn_id); + if (!desc->name) { + ida_free(&usb_conn_ida, info->conn_id); + return -ENOMEM; + } + desc->properties = usb_charger_properties; desc->num_properties = ARRAY_SIZE(usb_charger_properties); desc->get_property = usb_charger_get_property; @@ -168,8 +182,10 @@ static int usb_conn_psy_register(struct usb_conn_info *info) cfg.drv_data = info; info->charger = devm_power_supply_register(dev, desc, &cfg); - if (IS_ERR(info->charger)) - dev_err(dev, "Unable to register charger\n"); + if (IS_ERR(info->charger)) { + dev_err(dev, "Unable to register charger %d\n", info->conn_id); + ida_free(&usb_conn_ida, info->conn_id); + } return PTR_ERR_OR_ZERO(info->charger); } @@ -277,6 +293,9 @@ static void usb_conn_remove(struct platform_device *pdev) cancel_delayed_work_sync(&info->dw_det); + if (info->charger) + ida_free(&usb_conn_ida, info->conn_id); + if (info->last_role == USB_ROLE_HOST && info->vbus) regulator_disable(info->vbus); diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 880d52c0949d..9565d14d7c07 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -81,8 +81,14 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, */ desc = (struct usb_ss_ep_comp_descriptor *) buffer; - if (desc->bDescriptorType != USB_DT_SS_ENDPOINT_COMP || - size < USB_DT_SS_EP_COMP_SIZE) { + if (size < USB_DT_SS_EP_COMP_SIZE) { + dev_notice(ddev, + "invalid SuperSpeed endpoint companion descriptor " + "of length %d, skipping\n", size); + return; + } + + if (desc->bDescriptorType != USB_DT_SS_ENDPOINT_COMP) { dev_notice(ddev, "No SuperSpeed endpoint companion for config %d " " interface %d altsetting %d ep %d: " "using minimum values\n", diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 0b2490347b9f..bc795257696e 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1623,7 +1623,6 @@ static void __usb_hcd_giveback_urb(struct urb *urb) struct usb_hcd *hcd = bus_to_hcd(urb->dev->bus); struct usb_anchor *anchor = urb->anchor; int status = urb->unlinked; - unsigned long flags; urb->hcpriv = NULL; if (unlikely((urb->transfer_flags & URB_SHORT_NOT_OK) && @@ -1641,14 +1640,13 @@ static void __usb_hcd_giveback_urb(struct urb *urb) /* pass ownership to the completion handler */ urb->status = status; /* - * Only collect coverage in the softirq context and disable interrupts - * to avoid scenarios with nested remote coverage collection sections - * that KCOV does not support. - * See the comment next to kcov_remote_start_usb_softirq() for details. + * This function can be called in task context inside another remote + * coverage collection section, but kcov doesn't support that kind of + * recursion yet. Only collect coverage in softirq context for now. */ - flags = kcov_remote_start_usb_softirq((u64)urb->dev->bus->busnum); + kcov_remote_start_usb_softirq((u64)urb->dev->bus->busnum); urb->complete(urb); - kcov_remote_stop_softirq(flags); + kcov_remote_stop_softirq(); usb_anchor_resume_wakeups(anchor); atomic_dec(&urb->use_count); @@ -2153,7 +2151,7 @@ static struct urb *request_single_step_set_feature_urb( urb->complete = usb_ehset_completion; urb->status = -EINPROGRESS; urb->actual_length = 0; - urb->transfer_flags = URB_DIR_IN; + urb->transfer_flags = URB_DIR_IN | URB_NO_TRANSFER_DMA_MAP; usb_get_urb(urb); atomic_inc(&urb->use_count); atomic_inc(&urb->dev->urbnum); @@ -2217,9 +2215,15 @@ int ehset_single_step_set_feature(struct usb_hcd *hcd, int port) /* Complete remaining DATA and STATUS stages using the same URB */ urb->status = -EINPROGRESS; + urb->transfer_flags &= ~URB_NO_TRANSFER_DMA_MAP; usb_get_urb(urb); atomic_inc(&urb->use_count); atomic_inc(&urb->dev->urbnum); + if (map_urb_for_dma(hcd, urb, GFP_KERNEL)) { + usb_put_urb(urb); + goto out1; + } + retval = hcd->driver->submit_single_step_set_feature(hcd, urb, 0); if (!retval && !wait_for_completion_timeout(&done, msecs_to_jiffies(2000))) { diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 145787c424e0..090b3a757112 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -67,6 +67,12 @@ */ #define USB_SHORT_SET_ADDRESS_REQ_TIMEOUT 500 /* ms */ +/* + * Give SS hubs 200ms time after wake to train downstream links before + * assuming no port activity and allowing hub to runtime suspend back. + */ +#define USB_SS_PORT_U0_WAKE_TIME 200 /* ms */ + /* Protect struct usb_device->state and ->children members * Note: Both are also protected by ->dev.sem, except that ->state can * change to USB_STATE_NOTATTACHED even when the semaphore isn't held. */ @@ -1094,6 +1100,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) goto init2; goto init3; } + hub_get(hub); /* The superspeed hub except for root hub has to use Hub Depth @@ -1342,6 +1349,17 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) device_unlock(&hdev->dev); } + if (type == HUB_RESUME && hub_is_superspeed(hub->hdev)) { + /* give usb3 downstream links training time after hub resume */ + usb_autopm_get_interface_no_resume( + to_usb_interface(hub->intfdev)); + + queue_delayed_work(system_power_efficient_wq, + &hub->post_resume_work, + msecs_to_jiffies(USB_SS_PORT_U0_WAKE_TIME)); + return; + } + hub_put(hub); } @@ -1360,6 +1378,14 @@ static void hub_init_func3(struct work_struct *ws) hub_activate(hub, HUB_INIT3); } +static void hub_post_resume(struct work_struct *ws) +{ + struct usb_hub *hub = container_of(ws, struct usb_hub, post_resume_work.work); + + usb_autopm_put_interface_async(to_usb_interface(hub->intfdev)); + hub_put(hub); +} + enum hub_quiescing_type { HUB_DISCONNECT, HUB_PRE_RESET, HUB_SUSPEND }; @@ -1385,6 +1411,7 @@ static void hub_quiesce(struct usb_hub *hub, enum hub_quiescing_type type) /* Stop hub_wq and related activity */ del_timer_sync(&hub->irq_urb_retry); + flush_delayed_work(&hub->post_resume_work); usb_kill_urb(hub->urb); if (hub->has_indicators) cancel_delayed_work_sync(&hub->leds); @@ -1943,6 +1970,7 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id) hub->hdev = hdev; INIT_DELAYED_WORK(&hub->leds, led_work); INIT_DELAYED_WORK(&hub->init_work, NULL); + INIT_DELAYED_WORK(&hub->post_resume_work, hub_post_resume); INIT_WORK(&hub->events, hub_event); INIT_LIST_HEAD(&hub->onboard_devs); spin_lock_init(&hub->irq_urb_lock); @@ -2336,6 +2364,9 @@ void usb_disconnect(struct usb_device **pdev) usb_remove_ep_devs(&udev->ep0); usb_unlock_device(udev); + if (udev->usb4_link) + device_link_del(udev->usb4_link); + /* Unregister the device. The device driver is responsible * for de-configuring the device and invoking the remove-device * notifier chain (used by usbfs and possibly others). @@ -5718,6 +5749,7 @@ static void port_event(struct usb_hub *hub, int port1) struct usb_device *hdev = hub->hdev; u16 portstatus, portchange; int i = 0; + int err; connect_change = test_bit(port1, hub->change_bits); clear_bit(port1, hub->event_bits); @@ -5814,8 +5846,11 @@ static void port_event(struct usb_hub *hub, int port1) } else if (!udev || !(portstatus & USB_PORT_STAT_CONNECTION) || udev->state == USB_STATE_NOTATTACHED) { dev_dbg(&port_dev->dev, "do warm reset, port only\n"); - if (hub_port_reset(hub, port1, NULL, - HUB_BH_RESET_TIME, true) < 0) + err = hub_port_reset(hub, port1, NULL, + HUB_BH_RESET_TIME, true); + if (!udev && err == -ENOTCONN) + connect_change = 0; + else if (err < 0) hub_port_disable(hub, port1, 1); } else { dev_dbg(&port_dev->dev, "do warm reset, full device\n"); @@ -6135,6 +6170,7 @@ static int usb_reset_and_verify_device(struct usb_device *udev) struct usb_hub *parent_hub; struct usb_hcd *hcd = bus_to_hcd(udev->bus); struct usb_device_descriptor descriptor; + struct usb_interface *intf; struct usb_host_bos *bos; int i, j, ret = 0; int port1 = udev->portnum; @@ -6192,6 +6228,18 @@ static int usb_reset_and_verify_device(struct usb_device *udev) if (!udev->actconfig) goto done; + /* + * Some devices can't handle setting default altsetting 0 with a + * Set-Interface request. Disable host-side endpoints of those + * interfaces here. Enable and reset them back after host has set + * its internal endpoint structures during usb_hcd_alloc_bandwith() + */ + for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) { + intf = udev->actconfig->interface[i]; + if (intf->cur_altsetting->desc.bAlternateSetting == 0) + usb_disable_interface(udev, intf, true); + } + mutex_lock(hcd->bandwidth_mutex); ret = usb_hcd_alloc_bandwidth(udev, udev->actconfig, NULL, NULL); if (ret < 0) { @@ -6223,12 +6271,11 @@ static int usb_reset_and_verify_device(struct usb_device *udev) */ for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) { struct usb_host_config *config = udev->actconfig; - struct usb_interface *intf = config->interface[i]; struct usb_interface_descriptor *desc; + intf = config->interface[i]; desc = &intf->cur_altsetting->desc; if (desc->bAlternateSetting == 0) { - usb_disable_interface(udev, intf, true); usb_enable_interface(udev, intf, true); ret = 0; } else { diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h index e6ae73f8a95d..9ebc5ef54a32 100644 --- a/drivers/usb/core/hub.h +++ b/drivers/usb/core/hub.h @@ -70,6 +70,7 @@ struct usb_hub { u8 indicator[USB_MAXCHILDREN]; struct delayed_work leds; struct delayed_work init_work; + struct delayed_work post_resume_work; struct work_struct events; spinlock_t irq_urb_lock; struct timer_list irq_urb_retry; diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 4903c733d37a..bfd97cad8aa4 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -227,7 +227,8 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME }, /* Logitech HD Webcam C270 */ - { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME }, + { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME | + USB_QUIRK_NO_LPM}, /* Logitech HD Pro Webcams C920, C920-C, C922, C925e and C930e */ { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT }, @@ -370,8 +371,12 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x0781, 0x5591), .driver_info = USB_QUIRK_NO_LPM }, /* SanDisk Corp. SanDisk 3.2Gen1 */ + { USB_DEVICE(0x0781, 0x5596), .driver_info = USB_QUIRK_DELAY_INIT }, { USB_DEVICE(0x0781, 0x55a3), .driver_info = USB_QUIRK_DELAY_INIT }, + /* SanDisk Extreme 55AE */ + { USB_DEVICE(0x0781, 0x55ae), .driver_info = USB_QUIRK_NO_LPM }, + /* Realforce 87U Keyboard */ { USB_DEVICE(0x0853, 0x011b), .driver_info = USB_QUIRK_NO_LPM }, diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index 7576920e2d5a..9f202f575cec 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -500,7 +500,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) /* Check that the pipe's type matches the endpoint's type */ if (usb_pipe_type_check(urb->dev, urb->pipe)) - dev_WARN(&dev->dev, "BOGUS urb xfer, pipe %x != type %x\n", + dev_warn_once(&dev->dev, "BOGUS urb xfer, pipe %x != type %x\n", usb_pipetype(urb->pipe), pipetypes[xfertype]); /* Check against a simple/standard policy */ diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c index 03c22114214b..3bc68534dbcd 100644 --- a/drivers/usb/core/usb-acpi.c +++ b/drivers/usb/core/usb-acpi.c @@ -157,7 +157,7 @@ EXPORT_SYMBOL_GPL(usb_acpi_set_power_state); */ static int usb_acpi_add_usb4_devlink(struct usb_device *udev) { - const struct device_link *link; + struct device_link *link; struct usb_port *port_dev; struct usb_hub *hub; @@ -165,6 +165,8 @@ static int usb_acpi_add_usb4_devlink(struct usb_device *udev) return 0; hub = usb_hub_to_struct_hub(udev->parent); + if (!hub) + return 0; port_dev = hub->ports[udev->portnum - 1]; struct fwnode_handle *nhi_fwnode __free(fwnode_handle) = @@ -186,6 +188,8 @@ static int usb_acpi_add_usb4_devlink(struct usb_device *udev) dev_dbg(&port_dev->dev, "Created device link from %s to %s\n", dev_name(&port_dev->child->dev), dev_name(nhi_fwnode->dev)); + udev->usb4_link = link; + return 0; } diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 0b4685aad2d5..118fa4c93a79 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -695,15 +695,16 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, device_set_of_node_from_dev(&dev->dev, bus->sysdev); dev_set_name(&dev->dev, "usb%d", bus->busnum); } else { + int n; + /* match any labeling on the hubs; it's one-based */ if (parent->devpath[0] == '0') { - snprintf(dev->devpath, sizeof dev->devpath, - "%d", port1); + n = snprintf(dev->devpath, sizeof(dev->devpath), "%d", port1); /* Root ports are not counted in route string */ dev->route = 0; } else { - snprintf(dev->devpath, sizeof dev->devpath, - "%s.%d", parent->devpath, port1); + n = snprintf(dev->devpath, sizeof(dev->devpath), "%s.%d", + parent->devpath, port1); /* Route string assumes hubs have less than 16 ports */ if (port1 < 15) dev->route = parent->route + @@ -712,6 +713,11 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, dev->route = parent->route + (15 << ((parent->level - 1)*4)); } + if (n >= sizeof(dev->devpath)) { + usb_put_hcd(bus_to_hcd(bus)); + usb_put_dev(dev); + return NULL; + } dev->dev.parent = &parent->dev; dev_set_name(&dev->dev, "%d-%s", bus->busnum, dev->devpath); diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index bd4c788f03bc..834fc02610a2 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -4604,6 +4604,12 @@ static int dwc2_hsotg_udc_stop(struct usb_gadget *gadget) if (!hsotg) return -ENODEV; + /* Exit clock gating when driver is stopped. */ + if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_NONE && + hsotg->bus_suspended && !hsotg->params.no_clock_gating) { + dwc2_gadget_exit_clock_gating(hsotg, 0); + } + /* all endpoints should be shutdown */ for (ep = 1; ep < hsotg->num_of_eps; ep++) { if (hsotg->eps_in[ep]) @@ -5346,20 +5352,34 @@ int dwc2_gadget_enter_hibernation(struct dwc2_hsotg *hsotg) if (gusbcfg & GUSBCFG_ULPI_UTMI_SEL) { /* ULPI interface */ gpwrdn |= GPWRDN_ULPI_LATCH_EN_DURING_HIB_ENTRY; - } - dwc2_writel(hsotg, gpwrdn, GPWRDN); - udelay(10); + dwc2_writel(hsotg, gpwrdn, GPWRDN); + udelay(10); - /* Suspend the Phy Clock */ - pcgcctl = dwc2_readl(hsotg, PCGCTL); - pcgcctl |= PCGCTL_STOPPCLK; - dwc2_writel(hsotg, pcgcctl, PCGCTL); - udelay(10); + /* Suspend the Phy Clock */ + pcgcctl = dwc2_readl(hsotg, PCGCTL); + pcgcctl |= PCGCTL_STOPPCLK; + dwc2_writel(hsotg, pcgcctl, PCGCTL); + udelay(10); - gpwrdn = dwc2_readl(hsotg, GPWRDN); - gpwrdn |= GPWRDN_PMUACTV; - dwc2_writel(hsotg, gpwrdn, GPWRDN); - udelay(10); + gpwrdn = dwc2_readl(hsotg, GPWRDN); + gpwrdn |= GPWRDN_PMUACTV; + dwc2_writel(hsotg, gpwrdn, GPWRDN); + udelay(10); + } else { + /* UTMI+ Interface */ + dwc2_writel(hsotg, gpwrdn, GPWRDN); + udelay(10); + + gpwrdn = dwc2_readl(hsotg, GPWRDN); + gpwrdn |= GPWRDN_PMUACTV; + dwc2_writel(hsotg, gpwrdn, GPWRDN); + udelay(10); + + pcgcctl = dwc2_readl(hsotg, PCGCTL); + pcgcctl |= PCGCTL_STOPPCLK; + dwc2_writel(hsotg, pcgcctl, PCGCTL); + udelay(10); + } /* Set flag to indicate that we are in hibernation */ hsotg->hibernated = 1; diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 7820d6815bed..f4209726f8ec 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -2364,6 +2364,7 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg) { u32 reg; int i; + int ret; if (!pm_runtime_suspended(dwc->dev) && !PMSG_IS_AUTO(msg)) { dwc->susphy_state = (dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)) & @@ -2382,7 +2383,9 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg) case DWC3_GCTL_PRTCAP_DEVICE: if (pm_runtime_suspended(dwc->dev)) break; - dwc3_gadget_suspend(dwc); + ret = dwc3_gadget_suspend(dwc); + if (ret) + return ret; synchronize_irq(dwc->irq_gadget); dwc3_core_exit(dwc); break; @@ -2417,7 +2420,9 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg) break; if (dwc->current_otg_role == DWC3_OTG_ROLE_DEVICE) { - dwc3_gadget_suspend(dwc); + ret = dwc3_gadget_suspend(dwc); + if (ret) + return ret; synchronize_irq(dwc->irq_gadget); } diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index f288d88cd105..30fe7df1c3ca 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1168,6 +1168,9 @@ struct dwc3_scratchpad_array { * @gsbuscfg0_reqinfo: store GSBUSCFG0.DATRDREQINFO, DESRDREQINFO, * DATWRREQINFO, and DESWRREQINFO value passed from * glue driver. + * @wakeup_pending_funcs: Indicates whether any interface has requested for + * function wakeup in bitmap format where bit position + * represents interface_id. */ struct dwc3 { struct work_struct drd_work; @@ -1398,6 +1401,7 @@ struct dwc3 { int num_ep_resized; struct dentry *debug_root; u32 gsbuscfg0_reqinfo; + u32 wakeup_pending_funcs; }; #define INCRX_BURST_MODE 0 diff --git a/drivers/usb/dwc3/dwc3-imx8mp.c b/drivers/usb/dwc3/dwc3-imx8mp.c index e99faf014c78..449c12bb1d4b 100644 --- a/drivers/usb/dwc3/dwc3-imx8mp.c +++ b/drivers/usb/dwc3/dwc3-imx8mp.c @@ -244,7 +244,7 @@ static int dwc3_imx8mp_probe(struct platform_device *pdev) IRQF_ONESHOT, dev_name(dev), dwc3_imx); if (err) { dev_err(dev, "failed to request IRQ #%d --> %d\n", irq, err); - goto depopulate; + goto put_dwc3; } device_set_wakeup_capable(dev, true); @@ -252,6 +252,8 @@ static int dwc3_imx8mp_probe(struct platform_device *pdev) return 0; +put_dwc3: + put_device(&dwc3_imx->dwc3->dev); depopulate: of_platform_depopulate(dev); remove_swnode: @@ -265,8 +267,11 @@ disable_rpm: static void dwc3_imx8mp_remove(struct platform_device *pdev) { + struct dwc3_imx8mp *dwc3_imx = platform_get_drvdata(pdev); struct device *dev = &pdev->dev; + put_device(&dwc3_imx->dwc3->dev); + pm_runtime_get_sync(dev); of_platform_depopulate(dev); device_remove_software_node(dev); diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c index 2c07c038b584..6ea1a876203d 100644 --- a/drivers/usb/dwc3/dwc3-meson-g12a.c +++ b/drivers/usb/dwc3/dwc3-meson-g12a.c @@ -837,6 +837,9 @@ static void dwc3_meson_g12a_remove(struct platform_device *pdev) usb_role_switch_unregister(priv->role_switch); + put_device(priv->switch_desc.udc); + put_device(priv->switch_desc.usb2_port); + of_platform_depopulate(dev); for (i = 0 ; i < PHY_COUNT ; ++i) { diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 54a4ee2b90b7..39c72cb52ce7 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -41,6 +41,7 @@ #define PCI_DEVICE_ID_INTEL_TGPLP 0xa0ee #define PCI_DEVICE_ID_INTEL_TGPH 0x43ee #define PCI_DEVICE_ID_INTEL_JSP 0x4dee +#define PCI_DEVICE_ID_INTEL_WCL 0x4d7e #define PCI_DEVICE_ID_INTEL_ADL 0x460e #define PCI_DEVICE_ID_INTEL_ADL_PCH 0x51ee #define PCI_DEVICE_ID_INTEL_ADLN 0x465e @@ -431,6 +432,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_DEVICE_DATA(INTEL, TGPLP, &dwc3_pci_intel_swnode) }, { PCI_DEVICE_DATA(INTEL, TGPH, &dwc3_pci_intel_swnode) }, { PCI_DEVICE_DATA(INTEL, JSP, &dwc3_pci_intel_swnode) }, + { PCI_DEVICE_DATA(INTEL, WCL, &dwc3_pci_intel_swnode) }, { PCI_DEVICE_DATA(INTEL, ADL, &dwc3_pci_intel_swnode) }, { PCI_DEVICE_DATA(INTEL, ADL_PCH, &dwc3_pci_intel_swnode) }, { PCI_DEVICE_DATA(INTEL, ADLN, &dwc3_pci_intel_swnode) }, diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index c1d4b52f25b0..6c79303891d1 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -763,13 +763,13 @@ static int dwc3_qcom_probe(struct platform_device *pdev) ret = reset_control_deassert(qcom->resets); if (ret) { dev_err(&pdev->dev, "failed to deassert resets, err=%d\n", ret); - goto reset_assert; + return ret; } ret = dwc3_qcom_clk_init(qcom, of_clk_get_parent_count(np)); if (ret) { dev_err_probe(dev, ret, "failed to get clocks\n"); - goto reset_assert; + return ret; } qcom->qscratch_base = devm_platform_ioremap_resource(pdev, 0); @@ -835,8 +835,6 @@ clk_disable: clk_disable_unprepare(qcom->clks[i]); clk_put(qcom->clks[i]); } -reset_assert: - reset_control_assert(qcom->resets); return ret; } @@ -857,8 +855,6 @@ static void dwc3_qcom_remove(struct platform_device *pdev) qcom->num_clocks = 0; dwc3_qcom_interconnect_exit(qcom); - reset_control_assert(qcom->resets); - pm_runtime_allow(dev); pm_runtime_disable(dev); } diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 874497f86499..876a839f2d1d 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -288,7 +288,9 @@ void dwc3_ep0_out_start(struct dwc3 *dwc) dwc3_ep0_prepare_one_trb(dep, dwc->ep0_trb_addr, 8, DWC3_TRBCTL_CONTROL_SETUP, false); ret = dwc3_ep0_start_trans(dep); - WARN_ON(ret < 0); + if (ret < 0) + dev_err(dwc->dev, "ep0 out start transfer failed: %d\n", ret); + for (i = 2; i < DWC3_ENDPOINTS_NUM; i++) { struct dwc3_ep *dwc3_ep; @@ -1061,7 +1063,9 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, ret = dwc3_ep0_start_trans(dep); } - WARN_ON(ret < 0); + if (ret < 0) + dev_err(dwc->dev, + "ep0 data phase start transfer failed: %d\n", ret); } static int dwc3_ep0_start_control_status(struct dwc3_ep *dep) @@ -1078,7 +1082,12 @@ static int dwc3_ep0_start_control_status(struct dwc3_ep *dep) static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep) { - WARN_ON(dwc3_ep0_start_control_status(dep)); + int ret; + + ret = dwc3_ep0_start_control_status(dep); + if (ret) + dev_err(dwc->dev, + "ep0 status phase start transfer failed: %d\n", ret); } static void dwc3_ep0_do_control_status(struct dwc3 *dwc, @@ -1121,7 +1130,10 @@ void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep) cmd |= DWC3_DEPCMD_PARAM(dep->resource_index); memset(¶ms, 0, sizeof(params)); ret = dwc3_send_gadget_ep_cmd(dep, cmd, ¶ms); - WARN_ON_ONCE(ret); + if (ret) + dev_err_ratelimited(dwc->dev, + "ep0 data phase end transfer failed: %d\n", ret); + dep->resource_index = 0; } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index e72bac650981..c137b2f395c3 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -277,8 +277,6 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned int cmd, return ret; } -static int __dwc3_gadget_wakeup(struct dwc3 *dwc, bool async); - /** * dwc3_send_gadget_ep_cmd - issue an endpoint command * @dep: the endpoint to which the command is going to be issued @@ -1765,7 +1763,11 @@ static int __dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool int dep->flags |= DWC3_EP_DELAY_STOP; return 0; } - WARN_ON_ONCE(ret); + + if (ret) + dev_err_ratelimited(dep->dwc->dev, + "end transfer failed: %d\n", ret); + dep->resource_index = 0; if (!interrupt) @@ -2348,10 +2350,8 @@ static int dwc3_gadget_get_frame(struct usb_gadget *g) return __dwc3_gadget_get_frame(dwc); } -static int __dwc3_gadget_wakeup(struct dwc3 *dwc, bool async) +static int __dwc3_gadget_wakeup(struct dwc3 *dwc) { - int retries; - int ret; u32 reg; @@ -2379,8 +2379,7 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc, bool async) return -EINVAL; } - if (async) - dwc3_gadget_enable_linksts_evts(dwc, true); + dwc3_gadget_enable_linksts_evts(dwc, true); ret = dwc3_gadget_set_link_state(dwc, DWC3_LINK_STATE_RECOV); if (ret < 0) { @@ -2399,27 +2398,8 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc, bool async) /* * Since link status change events are enabled we will receive - * an U0 event when wakeup is successful. So bail out. + * an U0 event when wakeup is successful. */ - if (async) - return 0; - - /* poll until Link State changes to ON */ - retries = 20000; - - while (retries--) { - reg = dwc3_readl(dwc->regs, DWC3_DSTS); - - /* in HS, means ON */ - if (DWC3_DSTS_USBLNKST(reg) == DWC3_LINK_STATE_U0) - break; - } - - if (DWC3_DSTS_USBLNKST(reg) != DWC3_LINK_STATE_U0) { - dev_err(dwc->dev, "failed to send remote wakeup\n"); - return -EINVAL; - } - return 0; } @@ -2440,7 +2420,7 @@ static int dwc3_gadget_wakeup(struct usb_gadget *g) spin_unlock_irqrestore(&dwc->lock, flags); return -EINVAL; } - ret = __dwc3_gadget_wakeup(dwc, true); + ret = __dwc3_gadget_wakeup(dwc); spin_unlock_irqrestore(&dwc->lock, flags); @@ -2468,14 +2448,10 @@ static int dwc3_gadget_func_wakeup(struct usb_gadget *g, int intf_id) */ link_state = dwc3_gadget_get_link_state(dwc); if (link_state == DWC3_LINK_STATE_U3) { - ret = __dwc3_gadget_wakeup(dwc, false); - if (ret) { - spin_unlock_irqrestore(&dwc->lock, flags); - return -EINVAL; - } - dwc3_resume_gadget(dwc); - dwc->suspended = false; - dwc->link_state = DWC3_LINK_STATE_U0; + dwc->wakeup_pending_funcs |= BIT(intf_id); + ret = __dwc3_gadget_wakeup(dwc); + spin_unlock_irqrestore(&dwc->lock, flags); + return ret; } ret = dwc3_send_gadget_generic_command(dwc, DWC3_DGCMD_DEV_NOTIFICATION, @@ -3735,6 +3711,15 @@ static void dwc3_gadget_endpoint_transfer_complete(struct dwc3_ep *dep, static void dwc3_gadget_endpoint_transfer_not_ready(struct dwc3_ep *dep, const struct dwc3_event_depevt *event) { + /* + * During a device-initiated disconnect, a late xferNotReady event can + * be generated after the End Transfer command resets the event filter, + * but before the controller is halted. Ignore it to prevent a new + * transfer from starting. + */ + if (!dep->dwc->connected) + return; + dwc3_gadget_endpoint_frame_from_event(dep, event); /* @@ -4036,7 +4021,9 @@ static void dwc3_clear_stall_all_ep(struct dwc3 *dwc) dep->flags &= ~DWC3_EP_STALL; ret = dwc3_send_clear_stall_ep_cmd(dep); - WARN_ON_ONCE(ret); + if (ret) + dev_err_ratelimited(dwc->dev, + "failed to clear STALL on %s\n", dep->name); } } @@ -4320,6 +4307,8 @@ static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc, { enum dwc3_link_state next = evtinfo & DWC3_LINK_STATE_MASK; unsigned int pwropt; + int ret; + int intf_id; /* * WORKAROUND: DWC3 < 2.50a have an issue when configured without @@ -4395,7 +4384,7 @@ static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc, switch (next) { case DWC3_LINK_STATE_U0: - if (dwc->gadget->wakeup_armed) { + if (dwc->gadget->wakeup_armed || dwc->wakeup_pending_funcs) { dwc3_gadget_enable_linksts_evts(dwc, false); dwc3_resume_gadget(dwc); dwc->suspended = false; @@ -4418,6 +4407,18 @@ static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc, } dwc->link_state = next; + + /* Proceed with func wakeup if any interfaces that has requested */ + while (dwc->wakeup_pending_funcs && (next == DWC3_LINK_STATE_U0)) { + intf_id = ffs(dwc->wakeup_pending_funcs) - 1; + ret = dwc3_send_gadget_generic_command(dwc, DWC3_DGCMD_DEV_NOTIFICATION, + DWC3_DGCMDPAR_DN_FUNC_WAKE | + DWC3_DGCMDPAR_INTF_SEL(intf_id)); + if (ret) + dev_err(dwc->dev, "Failed to send DN wake for intf %d\n", intf_id); + + dwc->wakeup_pending_funcs &= ~BIT(intf_id); + } } static void dwc3_gadget_suspend_interrupt(struct dwc3 *dwc, @@ -4802,26 +4803,22 @@ int dwc3_gadget_suspend(struct dwc3 *dwc) int ret; ret = dwc3_gadget_soft_disconnect(dwc); - if (ret) - goto err; - - spin_lock_irqsave(&dwc->lock, flags); - if (dwc->gadget_driver) - dwc3_disconnect_gadget(dwc); - spin_unlock_irqrestore(&dwc->lock, flags); - - return 0; - -err: /* * Attempt to reset the controller's state. Likely no * communication can be established until the host * performs a port reset. */ - if (dwc->softconnect) + if (ret && dwc->softconnect) { dwc3_gadget_soft_connect(dwc); + return -EAGAIN; + } - return ret; + spin_lock_irqsave(&dwc->lock, flags); + if (dwc->gadget_driver) + dwc3_disconnect_gadget(dwc); + spin_unlock_irqrestore(&dwc->lock, flags); + + return 0; } int dwc3_gadget_resume(struct dwc3 *dwc) diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c index 341408410ed9..41118bba9197 100644 --- a/drivers/usb/early/xhci-dbc.c +++ b/drivers/usb/early/xhci-dbc.c @@ -681,6 +681,10 @@ int __init early_xdbc_setup_hardware(void) xdbc.table_base = NULL; xdbc.out_buf = NULL; + + early_iounmap(xdbc.xhci_base, xdbc.xhci_length); + xdbc.xhci_base = NULL; + xdbc.xhci_length = 0; } return ret; diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 8402a86176f4..460a102c1419 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -2011,15 +2011,13 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) if (f->get_status) { status = f->get_status(f); + if (status < 0) break; - } else { - /* Set D0 and D1 bits based on func wakeup capability */ - if (f->config->bmAttributes & USB_CONFIG_ATT_WAKEUP) { - status |= USB_INTRF_STAT_FUNC_RW_CAP; - if (f->func_wakeup_armed) - status |= USB_INTRF_STAT_FUNC_RW; - } + + /* if D5 is not set, then device is not wakeup capable */ + if (!(f->config->bmAttributes & USB_CONFIG_ATT_WAKEUP)) + status &= ~(USB_INTRF_STAT_FUNC_RW_CAP | USB_INTRF_STAT_FUNC_RW); } put_unaligned_le16(status & 0x0000ffff, req->buf); @@ -2491,6 +2489,11 @@ int composite_os_desc_req_prepare(struct usb_composite_dev *cdev, if (!cdev->os_desc_req->buf) { ret = -ENOMEM; usb_ep_free_request(ep0, cdev->os_desc_req); + /* + * Set os_desc_req to NULL so that composite_dev_cleanup() + * will not try to free it again. + */ + cdev->os_desc_req = NULL; goto end; } cdev->os_desc_req->context = cdev; diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 29390d573e23..1b4d0056f1d0 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -1065,6 +1065,8 @@ static ssize_t webusb_landingPage_store(struct config_item *item, const char *pa unsigned int bytes_to_strip = 0; int l = len; + if (!len) + return len; if (page[l - 1] == '\n') { --l; ++bytes_to_strip; @@ -1188,6 +1190,8 @@ static ssize_t os_desc_qw_sign_store(struct config_item *item, const char *page, struct gadget_info *gi = os_desc_item_to_gadget_info(item); int res, l; + if (!len) + return len; l = min((int)len, OS_STRING_QW_SIGN_LEN >> 1); if (page[l - 1] == '\n') --l; diff --git a/drivers/usb/gadget/function/f_ecm.c b/drivers/usb/gadget/function/f_ecm.c index 6cb7771e8a69..549efc84dd83 100644 --- a/drivers/usb/gadget/function/f_ecm.c +++ b/drivers/usb/gadget/function/f_ecm.c @@ -892,6 +892,12 @@ static void ecm_resume(struct usb_function *f) gether_resume(&ecm->port); } +static int ecm_get_status(struct usb_function *f) +{ + return (f->func_wakeup_armed ? USB_INTRF_STAT_FUNC_RW : 0) | + USB_INTRF_STAT_FUNC_RW_CAP; +} + static void ecm_free(struct usb_function *f) { struct f_ecm *ecm; @@ -960,6 +966,7 @@ static struct usb_function *ecm_alloc(struct usb_function_instance *fi) ecm->port.func.disable = ecm_disable; ecm->port.func.free_func = ecm_free; ecm->port.func.suspend = ecm_suspend; + ecm->port.func.get_status = ecm_get_status; ecm->port.func.resume = ecm_resume; return &ecm->port.func; diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index 740311c4fa24..ab4d170469f5 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -75,6 +75,7 @@ struct f_hidg { /* recv report */ spinlock_t read_spinlock; wait_queue_head_t read_queue; + bool disabled; /* recv report - interrupt out only (use_out_ep == 1) */ struct list_head completed_out_req; unsigned int qlen; @@ -144,8 +145,8 @@ static struct hid_descriptor hidg_desc = { .bcdHID = cpu_to_le16(0x0101), .bCountryCode = 0x00, .bNumDescriptors = 0x1, - /*.desc[0].bDescriptorType = DYNAMIC */ - /*.desc[0].wDescriptorLenght = DYNAMIC */ + /*.rpt_desc.bDescriptorType = DYNAMIC */ + /*.rpt_desc.wDescriptorLength = DYNAMIC */ }; /* Super-Speed Support */ @@ -329,7 +330,7 @@ static ssize_t f_hidg_intout_read(struct file *file, char __user *buffer, spin_lock_irqsave(&hidg->read_spinlock, flags); -#define READ_COND_INTOUT (!list_empty(&hidg->completed_out_req)) +#define READ_COND_INTOUT (!list_empty(&hidg->completed_out_req) || hidg->disabled) /* wait for at least one buffer to complete */ while (!READ_COND_INTOUT) { @@ -343,6 +344,11 @@ static ssize_t f_hidg_intout_read(struct file *file, char __user *buffer, spin_lock_irqsave(&hidg->read_spinlock, flags); } + if (hidg->disabled) { + spin_unlock_irqrestore(&hidg->read_spinlock, flags); + return -ESHUTDOWN; + } + /* pick the first one */ list = list_first_entry(&hidg->completed_out_req, struct f_hidg_req_list, list); @@ -387,7 +393,7 @@ static ssize_t f_hidg_intout_read(struct file *file, char __user *buffer, return count; } -#define READ_COND_SSREPORT (hidg->set_report_buf != NULL) +#define READ_COND_SSREPORT (hidg->set_report_buf != NULL || hidg->disabled) static ssize_t f_hidg_ssreport_read(struct file *file, char __user *buffer, size_t count, loff_t *ptr) @@ -939,8 +945,8 @@ static int hidg_setup(struct usb_function *f, struct hid_descriptor hidg_desc_copy = hidg_desc; VDBG(cdev, "USB_REQ_GET_DESCRIPTOR: HID\n"); - hidg_desc_copy.desc[0].bDescriptorType = HID_DT_REPORT; - hidg_desc_copy.desc[0].wDescriptorLength = + hidg_desc_copy.rpt_desc.bDescriptorType = HID_DT_REPORT; + hidg_desc_copy.rpt_desc.wDescriptorLength = cpu_to_le16(hidg->report_desc_length); length = min_t(unsigned short, length, @@ -1012,6 +1018,11 @@ static void hidg_disable(struct usb_function *f) } spin_unlock_irqrestore(&hidg->get_report_spinlock, flags); + spin_lock_irqsave(&hidg->read_spinlock, flags); + hidg->disabled = true; + spin_unlock_irqrestore(&hidg->read_spinlock, flags); + wake_up(&hidg->read_queue); + spin_lock_irqsave(&hidg->write_spinlock, flags); if (!hidg->write_pending) { free_ep_req(hidg->in_ep, hidg->req); @@ -1097,6 +1108,10 @@ static int hidg_set_alt(struct usb_function *f, unsigned intf, unsigned alt) } } + spin_lock_irqsave(&hidg->read_spinlock, flags); + hidg->disabled = false; + spin_unlock_irqrestore(&hidg->read_spinlock, flags); + if (hidg->in_ep != NULL) { spin_lock_irqsave(&hidg->write_spinlock, flags); hidg->req = req_in; @@ -1210,8 +1225,8 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f) * We can use hidg_desc struct here but we should not relay * that its content won't change after returning from this function. */ - hidg_desc.desc[0].bDescriptorType = HID_DT_REPORT; - hidg_desc.desc[0].wDescriptorLength = + hidg_desc.rpt_desc.bDescriptorType = HID_DT_REPORT; + hidg_desc.rpt_desc.wDescriptorLength = cpu_to_le16(hidg->report_desc_length); hidg_hs_in_ep_desc.bEndpointAddress = @@ -1260,18 +1275,19 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f) if (!hidg->workqueue) { status = -ENOMEM; - goto fail; + goto fail_free_descs; } /* create char device */ cdev_init(&hidg->cdev, &f_hidg_fops); status = cdev_device_add(&hidg->cdev, &hidg->dev); if (status) - goto fail_free_descs; + goto fail_free_all; return 0; -fail_free_descs: +fail_free_all: destroy_workqueue(hidg->workqueue); +fail_free_descs: usb_free_all_descriptors(f); fail: ERROR(f->config->cdev, "hidg_bind FAILED\n"); diff --git a/drivers/usb/gadget/function/f_midi2.c b/drivers/usb/gadget/function/f_midi2.c index 8c9d0074db58..0c45936f51b3 100644 --- a/drivers/usb/gadget/function/f_midi2.c +++ b/drivers/usb/gadget/function/f_midi2.c @@ -475,7 +475,7 @@ static void reply_ump_stream_ep_info(struct f_midi2_ep *ep) /* reply a UMP EP device info */ static void reply_ump_stream_ep_device(struct f_midi2_ep *ep) { - struct snd_ump_stream_msg_devince_info rep = { + struct snd_ump_stream_msg_device_info rep = { .type = UMP_MSG_TYPE_STREAM, .status = UMP_STREAM_MSG_STATUS_DEVICE_INFO, .manufacture_id = ep->info.manufacturer, diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c index 7b23631f4744..6ad205046032 100644 --- a/drivers/usb/gadget/function/f_tcm.c +++ b/drivers/usb/gadget/function/f_tcm.c @@ -1297,14 +1297,14 @@ static struct se_portal_group *usbg_make_tpg(struct se_wwn *wwn, struct usbg_tport *tport = container_of(wwn, struct usbg_tport, tport_wwn); struct usbg_tpg *tpg; - unsigned long tpgt; + u16 tpgt; int ret; struct f_tcm_opts *opts; unsigned i; if (strstr(name, "tpgt_") != name) return ERR_PTR(-EINVAL); - if (kstrtoul(name + 5, 0, &tpgt) || tpgt > UINT_MAX) + if (kstrtou16(name + 5, 0, &tpgt)) return ERR_PTR(-EINVAL); ret = -ENODEV; mutex_lock(&tpg_instances_lock); diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index 53d9fc41acc5..2412f81f4412 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -294,8 +294,8 @@ __acquires(&port->port_lock) break; } - if (do_tty_wake && port->port.tty) - tty_wakeup(port->port.tty); + if (do_tty_wake) + tty_port_tty_wakeup(&port->port); return status; } @@ -543,20 +543,16 @@ static int gs_alloc_requests(struct usb_ep *ep, struct list_head *head, static int gs_start_io(struct gs_port *port) { struct list_head *head = &port->read_pool; - struct usb_ep *ep; + struct usb_ep *ep = port->port_usb->out; int status; unsigned started; - if (!port->port_usb || !port->port.tty) - return -EIO; - /* Allocate RX and TX I/O buffers. We can't easily do this much * earlier (with GFP_KERNEL) because the requests are coupled to * endpoints, as are the packet sizes we'll be using. Different * configurations may use different endpoints with a given port; * and high speed vs full speed changes packet sizes too. */ - ep = port->port_usb->out; status = gs_alloc_requests(ep, head, gs_read_complete, &port->read_allocated); if (status) @@ -577,7 +573,7 @@ static int gs_start_io(struct gs_port *port) gs_start_tx(port); /* Unblock any pending writes into our circular buffer, in case * we didn't in gs_start_tx() */ - tty_wakeup(port->port.tty); + tty_port_tty_wakeup(&port->port); } else { /* Free reqs only if we are still connected */ if (port->port_usb) { diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 4b3d5075621a..d709e24c1fd4 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -1570,7 +1570,7 @@ static int gadget_match_driver(struct device *dev, const struct device_driver *d { struct usb_gadget *gadget = dev_to_usb_gadget(dev); struct usb_udc *udc = gadget->udc; - struct usb_gadget_driver *driver = container_of(drv, + const struct usb_gadget_driver *driver = container_of(drv, struct usb_gadget_driver, driver); /* If the driver specifies a udc_name, it must match the UDC's name */ diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index a93ad93390ba..34685c714473 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -2658,6 +2658,7 @@ static void renesas_usb3_remove(struct platform_device *pdev) struct renesas_usb3 *usb3 = platform_get_drvdata(pdev); debugfs_remove_recursive(usb3->dentry); + put_device(usb3->host_dev); device_remove_file(&pdev->dev, &dev_attr_role); cancel_work_sync(&usb3->role_work); diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c index 7aa46d426f31..9bb54da8a6ae 100644 --- a/drivers/usb/gadget/udc/tegra-xudc.c +++ b/drivers/usb/gadget/udc/tegra-xudc.c @@ -1749,6 +1749,10 @@ static int __tegra_xudc_ep_disable(struct tegra_xudc_ep *ep) val = xudc_readl(xudc, CTRL); val &= ~CTRL_RUN; xudc_writel(xudc, val, CTRL); + + val = xudc_readl(xudc, ST); + if (val & ST_RC) + xudc_writel(xudc, ST_RC, ST); } dev_info(xudc->dev, "ep %u disabled\n", ep->index); diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c index 3dec5dd3a0d5..712389599d46 100644 --- a/drivers/usb/host/uhci-platform.c +++ b/drivers/usb/host/uhci-platform.c @@ -121,7 +121,7 @@ static int uhci_hcd_platform_probe(struct platform_device *pdev) } /* Get and enable clock if any specified */ - uhci->clk = devm_clk_get(&pdev->dev, NULL); + uhci->clk = devm_clk_get_optional(&pdev->dev, NULL); if (IS_ERR(uhci->clk)) { ret = PTR_ERR(uhci->clk); goto err_rmr; diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c index 241d7aa1fbc2..bdc664ad6a93 100644 --- a/drivers/usb/host/xhci-dbgcap.c +++ b/drivers/usb/host/xhci-dbgcap.c @@ -651,6 +651,10 @@ static void xhci_dbc_stop(struct xhci_dbc *dbc) case DS_DISABLED: return; case DS_CONFIGURED: + spin_lock(&dbc->lock); + xhci_dbc_flush_requests(dbc); + spin_unlock(&dbc->lock); + if (dbc->driver->disconnect) dbc->driver->disconnect(dbc); break; @@ -822,6 +826,7 @@ static enum evtreturn xhci_dbc_do_handle_events(struct xhci_dbc *dbc) { dma_addr_t deq; union xhci_trb *evt; + enum evtreturn ret = EVT_DONE; u32 ctrl, portsc; bool update_erdp = false; @@ -906,6 +911,7 @@ static enum evtreturn xhci_dbc_do_handle_events(struct xhci_dbc *dbc) break; case TRB_TYPE(TRB_TRANSFER): dbc_handle_xfer_event(dbc, evt); + ret = EVT_XFER_DONE; break; default: break; @@ -924,7 +930,7 @@ static enum evtreturn xhci_dbc_do_handle_events(struct xhci_dbc *dbc) lo_hi_writeq(deq, &dbc->regs->erdp); } - return EVT_DONE; + return ret; } static void xhci_dbc_handle_events(struct work_struct *work) @@ -933,6 +939,7 @@ static void xhci_dbc_handle_events(struct work_struct *work) struct xhci_dbc *dbc; unsigned long flags; unsigned int poll_interval; + unsigned long busypoll_timelimit; dbc = container_of(to_delayed_work(work), struct xhci_dbc, event_work); poll_interval = dbc->poll_interval; @@ -951,10 +958,20 @@ static void xhci_dbc_handle_events(struct work_struct *work) dbc->driver->disconnect(dbc); break; case EVT_DONE: - /* set fast poll rate if there are pending data transfers */ + /* + * Set fast poll rate if there are pending out transfers, or + * a transfer was recently processed + */ + busypoll_timelimit = dbc->xfer_timestamp + + msecs_to_jiffies(DBC_XFER_INACTIVITY_TIMEOUT); + if (!list_empty(&dbc->eps[BULK_OUT].list_pending) || - !list_empty(&dbc->eps[BULK_IN].list_pending)) - poll_interval = 1; + time_is_after_jiffies(busypoll_timelimit)) + poll_interval = 0; + break; + case EVT_XFER_DONE: + dbc->xfer_timestamp = jiffies; + poll_interval = 0; break; default: dev_info(dbc->dev, "stop handling dbc events\n"); diff --git a/drivers/usb/host/xhci-dbgcap.h b/drivers/usb/host/xhci-dbgcap.h index 9dc8f4d8077c..47ac72c2286d 100644 --- a/drivers/usb/host/xhci-dbgcap.h +++ b/drivers/usb/host/xhci-dbgcap.h @@ -96,6 +96,7 @@ struct dbc_ep { #define DBC_WRITE_BUF_SIZE 8192 #define DBC_POLL_INTERVAL_DEFAULT 64 /* milliseconds */ #define DBC_POLL_INTERVAL_MAX 5000 /* milliseconds */ +#define DBC_XFER_INACTIVITY_TIMEOUT 10 /* milliseconds */ /* * Private structure for DbC hardware state: */ @@ -142,6 +143,7 @@ struct xhci_dbc { enum dbc_state state; struct delayed_work event_work; unsigned int poll_interval; /* ms */ + unsigned long xfer_timestamp; unsigned resume_required:1; struct dbc_ep eps[2]; @@ -187,6 +189,7 @@ struct dbc_request { enum evtreturn { EVT_ERR = -1, EVT_DONE, + EVT_XFER_DONE, EVT_GSER, EVT_DISC, }; diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c index d719c16ea30b..2b8558005cbb 100644 --- a/drivers/usb/host/xhci-dbgtty.c +++ b/drivers/usb/host/xhci-dbgtty.c @@ -585,6 +585,7 @@ int dbc_tty_init(void) dbc_tty_driver->type = TTY_DRIVER_TYPE_SERIAL; dbc_tty_driver->subtype = SERIAL_TYPE_NORMAL; dbc_tty_driver->init_termios = tty_std_termios; + dbc_tty_driver->init_termios.c_lflag &= ~ECHO; dbc_tty_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; dbc_tty_driver->init_termios.c_ispeed = 9600; diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 1952e0503340..69aedce9d67b 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -704,8 +704,7 @@ static int xhci_enter_test_mode(struct xhci_hcd *xhci, if (!xhci->devs[i]) continue; - retval = xhci_disable_slot(xhci, i); - xhci_free_virt_device(xhci, i); + retval = xhci_disable_and_free_slot(xhci, i); if (retval) xhci_err(xhci, "Failed to disable slot %d, %d. Enter test mode anyway\n", i, retval); diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 8c26275696df..69188afa5266 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -842,21 +842,20 @@ free_tts: * will be manipulated by the configure endpoint, allocate device, or update * hub functions while this function is removing the TT entries from the list. */ -void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id) +void xhci_free_virt_device(struct xhci_hcd *xhci, struct xhci_virt_device *dev, + int slot_id) { - struct xhci_virt_device *dev; int i; int old_active_eps = 0; /* Slot ID 0 is reserved */ - if (slot_id == 0 || !xhci->devs[slot_id]) + if (slot_id == 0 || !dev) return; - dev = xhci->devs[slot_id]; - - xhci->dcbaa->dev_context_ptrs[slot_id] = 0; - if (!dev) - return; + /* If device ctx array still points to _this_ device, clear it */ + if (dev->out_ctx && + xhci->dcbaa->dev_context_ptrs[slot_id] == cpu_to_le64(dev->out_ctx->dma)) + xhci->dcbaa->dev_context_ptrs[slot_id] = 0; trace_xhci_free_virt_device(dev); @@ -897,8 +896,9 @@ void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id) dev->udev->slot_id = 0; if (dev->rhub_port && dev->rhub_port->slot_id == slot_id) dev->rhub_port->slot_id = 0; - kfree(xhci->devs[slot_id]); - xhci->devs[slot_id] = NULL; + if (xhci->devs[slot_id] == dev) + xhci->devs[slot_id] = NULL; + kfree(dev); } /* @@ -939,7 +939,7 @@ static void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_i out: /* we are now at a leaf device */ xhci_debugfs_remove_slot(xhci, slot_id); - xhci_free_virt_device(xhci, slot_id); + xhci_free_virt_device(xhci, vdev, slot_id); } int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id, @@ -1172,6 +1172,8 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud ep0_ctx->deq = cpu_to_le64(dev->eps[0].ring->first_seg->dma | dev->eps[0].ring->cycle_state); + ep0_ctx->tx_info = cpu_to_le32(EP_AVG_TRB_LENGTH(8)); + trace_xhci_setup_addressable_virt_device(dev); /* Steps 7 and 8 were done in xhci_alloc_virt_device() */ @@ -1426,6 +1428,10 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, /* Periodic endpoint bInterval limit quirk */ if (usb_endpoint_xfer_int(&ep->desc) || usb_endpoint_xfer_isoc(&ep->desc)) { + if ((xhci->quirks & XHCI_LIMIT_ENDPOINT_INTERVAL_9) && + interval >= 9) { + interval = 8; + } if ((xhci->quirks & XHCI_LIMIT_ENDPOINT_INTERVAL_7) && udev->speed >= USB_SPEED_HIGH && interval >= 7) { @@ -1959,7 +1965,6 @@ no_bw: xhci->interrupters = NULL; xhci->page_size = 0; - xhci->page_shift = 0; xhci->usb2_rhub.bus_state.bus_suspended = 0; xhci->usb3_rhub.bus_state.bus_suspended = 0; } @@ -2378,6 +2383,22 @@ xhci_create_secondary_interrupter(struct usb_hcd *hcd, unsigned int segs, } EXPORT_SYMBOL_GPL(xhci_create_secondary_interrupter); +static void xhci_hcd_page_size(struct xhci_hcd *xhci) +{ + u32 page_size; + + page_size = readl(&xhci->op_regs->page_size) & XHCI_PAGE_SIZE_MASK; + if (!is_power_of_2(page_size)) { + xhci_warn(xhci, "Invalid page size register = 0x%x\n", page_size); + /* Fallback to 4K page size, since that's common */ + page_size = 1; + } + + xhci->page_size = page_size << 12; + xhci_dbg_trace(xhci, trace_xhci_dbg_init, "HCD page size set to %iK", + xhci->page_size >> 10); +} + int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) { struct xhci_interrupter *ir; @@ -2385,7 +2406,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) dma_addr_t dma; unsigned int val, val2; u64 val_64; - u32 page_size, temp; + u32 temp; int i; INIT_LIST_HEAD(&xhci->cmd_list); @@ -2394,20 +2415,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) INIT_DELAYED_WORK(&xhci->cmd_timer, xhci_handle_command_timeout); init_completion(&xhci->cmd_ring_stop_completion); - page_size = readl(&xhci->op_regs->page_size); - xhci_dbg_trace(xhci, trace_xhci_dbg_init, - "Supported page size register = 0x%x", page_size); - val = ffs(page_size) - 1; - if (val < 16) - xhci_dbg_trace(xhci, trace_xhci_dbg_init, - "Supported page size of %iK", (1 << (val + 12)) / 1024); - else - xhci_warn(xhci, "WARN: no supported page size\n"); - /* Use 4K pages, since that's common and the minimum the HC supports */ - xhci->page_shift = 12; - xhci->page_size = 1 << xhci->page_shift; - xhci_dbg_trace(xhci, trace_xhci_dbg_init, - "HCD page size set to %iK", xhci->page_size / 1024); + xhci_hcd_page_size(xhci); /* * Program the Number of Device Slots Enabled field in the CONFIG diff --git a/drivers/usb/host/xhci-pci-renesas.c b/drivers/usb/host/xhci-pci-renesas.c index 65fc9319d5e7..d8bd88139456 100644 --- a/drivers/usb/host/xhci-pci-renesas.c +++ b/drivers/usb/host/xhci-pci-renesas.c @@ -47,8 +47,9 @@ #define RENESAS_ROM_ERASE_MAGIC 0x5A65726F #define RENESAS_ROM_WRITE_MAGIC 0x53524F4D -#define RENESAS_RETRY 10000 -#define RENESAS_DELAY 10 +#define RENESAS_RETRY 50000 /* 50000 * RENESAS_DELAY ~= 500ms */ +#define RENESAS_CHIP_ERASE_RETRY 500000 /* 500000 * RENESAS_DELAY ~= 5s */ +#define RENESAS_DELAY 10 #define RENESAS_FW_NAME "renesas_usb_fw.mem" @@ -407,7 +408,7 @@ static void renesas_rom_erase(struct pci_dev *pdev) /* sleep a bit while ROM is erased */ msleep(20); - for (i = 0; i < RENESAS_RETRY; i++) { + for (i = 0; i < RENESAS_CHIP_ERASE_RETRY; i++) { retval = pci_read_config_byte(pdev, RENESAS_ROM_STATUS, &status); status &= RENESAS_ROM_STATUS_ERASE; diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 1b033c8ce188..234efb9731b2 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -71,12 +71,22 @@ #define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_XHCI 0x15ec #define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI 0x15f0 +#define PCI_DEVICE_ID_AMD_ARIEL_TYPEC_XHCI 0x13ed +#define PCI_DEVICE_ID_AMD_ARIEL_TYPEA_XHCI 0x13ee +#define PCI_DEVICE_ID_AMD_STARSHIP_XHCI 0x148c +#define PCI_DEVICE_ID_AMD_FIREFLIGHT_15D4_XHCI 0x15d4 +#define PCI_DEVICE_ID_AMD_FIREFLIGHT_15D5_XHCI 0x15d5 +#define PCI_DEVICE_ID_AMD_RAVEN_15E0_XHCI 0x15e0 +#define PCI_DEVICE_ID_AMD_RAVEN_15E1_XHCI 0x15e1 +#define PCI_DEVICE_ID_AMD_RAVEN2_XHCI 0x15e5 #define PCI_DEVICE_ID_AMD_RENOIR_XHCI 0x1639 #define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9 #define PCI_DEVICE_ID_AMD_PROMONTORYA_3 0x43ba #define PCI_DEVICE_ID_AMD_PROMONTORYA_2 0x43bb #define PCI_DEVICE_ID_AMD_PROMONTORYA_1 0x43bc +#define PCI_DEVICE_ID_ATI_NAVI10_7316_XHCI 0x7316 + #define PCI_DEVICE_ID_ASMEDIA_1042_XHCI 0x1042 #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142 #define PCI_DEVICE_ID_ASMEDIA_1142_XHCI 0x1242 @@ -286,6 +296,21 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) if (pdev->vendor == PCI_VENDOR_ID_NEC) xhci->quirks |= XHCI_NEC_HOST; + if (pdev->vendor == PCI_VENDOR_ID_AMD && + (pdev->device == PCI_DEVICE_ID_AMD_ARIEL_TYPEC_XHCI || + pdev->device == PCI_DEVICE_ID_AMD_ARIEL_TYPEA_XHCI || + pdev->device == PCI_DEVICE_ID_AMD_STARSHIP_XHCI || + pdev->device == PCI_DEVICE_ID_AMD_FIREFLIGHT_15D4_XHCI || + pdev->device == PCI_DEVICE_ID_AMD_FIREFLIGHT_15D5_XHCI || + pdev->device == PCI_DEVICE_ID_AMD_RAVEN_15E0_XHCI || + pdev->device == PCI_DEVICE_ID_AMD_RAVEN_15E1_XHCI || + pdev->device == PCI_DEVICE_ID_AMD_RAVEN2_XHCI)) + xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_9; + + if (pdev->vendor == PCI_VENDOR_ID_ATI && + pdev->device == PCI_DEVICE_ID_ATI_NAVI10_7316_XHCI) + xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_9; + if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version == 0x96) xhci->quirks |= XHCI_AMD_0x96_HOST; diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 2379a67e34e1..8cf278a40bd9 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -152,7 +152,7 @@ int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s int ret; int irq; struct xhci_plat_priv *priv = NULL; - bool of_match; + const struct of_device_id *of_match; if (usb_disabled()) return -ENODEV; @@ -326,7 +326,8 @@ int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s } usb3_hcd = xhci_get_usb3_hcd(xhci); - if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4) + if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4 && + !(xhci->quirks & XHCI_BROKEN_STREAMS)) usb3_hcd->can_do_streams = 1; if (xhci->shared_hcd) { diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 3e70e4f6bf08..1002fa51a25a 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -461,9 +461,8 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci, unsigned long flags) * In the future we should distinguish between -ENODEV and -ETIMEDOUT * and try to recover a -ETIMEDOUT with a host controller reset. */ - ret = xhci_handshake_check_state(xhci, &xhci->op_regs->cmd_ring, - CMD_RING_RUNNING, 0, 5 * 1000 * 1000, - XHCI_STATE_REMOVING); + ret = xhci_handshake(&xhci->op_regs->cmd_ring, + CMD_RING_RUNNING, 0, 5 * 1000 * 1000); if (ret < 0) { xhci_err(xhci, "Abort failed to stop command ring: %d\n", ret); xhci_halt(xhci); @@ -1156,7 +1155,14 @@ static void xhci_handle_cmd_stop_ep(struct xhci_hcd *xhci, int slot_id, */ switch (GET_EP_CTX_STATE(ep_ctx)) { case EP_STATE_HALTED: - xhci_dbg(xhci, "Stop ep completion raced with stall, reset ep\n"); + xhci_dbg(xhci, "Stop ep completion raced with stall\n"); + /* + * If the halt happened before Stop Endpoint failed, its transfer event + * should have already been handled and Reset Endpoint should be pending. + */ + if (ep->ep_state & EP_HALTED) + goto reset_done; + if (ep->ep_state & EP_HAS_STREAMS) { reset_type = EP_SOFT_RESET; } else { @@ -1167,8 +1173,11 @@ static void xhci_handle_cmd_stop_ep(struct xhci_hcd *xhci, int slot_id, } /* reset ep, reset handler cleans up cancelled tds */ err = xhci_handle_halted_endpoint(xhci, ep, td, reset_type); + xhci_dbg(xhci, "Stop ep completion resetting ep, status %d\n", err); if (err) break; +reset_done: + /* Reset EP handler will clean up cancelled TDs */ ep->ep_state &= ~EP_STOP_CMD_PENDING; return; case EP_STATE_STOPPED: @@ -1304,12 +1313,15 @@ static void xhci_kill_endpoint_urbs(struct xhci_hcd *xhci, */ void xhci_hc_died(struct xhci_hcd *xhci) { + bool notify; int i, j; if (xhci->xhc_state & XHCI_STATE_DYING) return; - xhci_err(xhci, "xHCI host controller not responding, assume dead\n"); + notify = !(xhci->xhc_state & XHCI_STATE_REMOVING); + if (notify) + xhci_err(xhci, "xHCI host controller not responding, assume dead\n"); xhci->xhc_state |= XHCI_STATE_DYING; xhci_cleanup_command_queue(xhci); @@ -1323,7 +1335,7 @@ void xhci_hc_died(struct xhci_hcd *xhci) } /* inform usb core hc died if PCI remove isn't already handling it */ - if (!(xhci->xhc_state & XHCI_STATE_REMOVING)) + if (notify) usb_hc_died(xhci_to_hcd(xhci)); } @@ -1550,7 +1562,8 @@ static void xhci_handle_cmd_enable_slot(int slot_id, struct xhci_command *comman command->slot_id = 0; } -static void xhci_handle_cmd_disable_slot(struct xhci_hcd *xhci, int slot_id) +static void xhci_handle_cmd_disable_slot(struct xhci_hcd *xhci, int slot_id, + u32 cmd_comp_code) { struct xhci_virt_device *virt_dev; struct xhci_slot_ctx *slot_ctx; @@ -1565,6 +1578,10 @@ static void xhci_handle_cmd_disable_slot(struct xhci_hcd *xhci, int slot_id) if (xhci->quirks & XHCI_EP_LIMIT_QUIRK) /* Delete default control endpoint resources */ xhci_free_device_endpoint_resources(xhci, virt_dev, true); + if (cmd_comp_code == COMP_SUCCESS) { + xhci->dcbaa->dev_context_ptrs[slot_id] = 0; + xhci->devs[slot_id] = NULL; + } } static void xhci_handle_cmd_config_ep(struct xhci_hcd *xhci, int slot_id) @@ -1812,7 +1829,7 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, xhci_handle_cmd_enable_slot(slot_id, cmd, cmd_comp_code); break; case TRB_DISABLE_SLOT: - xhci_handle_cmd_disable_slot(xhci, slot_id); + xhci_handle_cmd_disable_slot(xhci, slot_id, cmd_comp_code); break; case TRB_CONFIG_EP: if (!cmd->completion) @@ -4369,7 +4386,8 @@ static int queue_command(struct xhci_hcd *xhci, struct xhci_command *cmd, if ((xhci->xhc_state & XHCI_STATE_DYING) || (xhci->xhc_state & XHCI_STATE_HALTED)) { - xhci_dbg(xhci, "xHCI dying or halted, can't queue_command\n"); + xhci_dbg(xhci, "xHCI dying or halted, can't queue_command. state: 0x%x\n", + xhci->xhc_state); return -ESHUTDOWN; } diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c index 76f228e7443c..89b3079194d7 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -1363,6 +1363,7 @@ static void tegra_xhci_id_work(struct work_struct *work) tegra->otg_usb3_port = tegra_xusb_padctl_get_usb3_companion(tegra->padctl, tegra->otg_usb2_port); + pm_runtime_get_sync(tegra->dev); if (tegra->host_mode) { /* switch to host mode */ if (tegra->otg_usb3_port >= 0) { @@ -1392,6 +1393,7 @@ static void tegra_xhci_id_work(struct work_struct *work) } tegra_xhci_set_port_power(tegra, true, true); + pm_runtime_mark_last_busy(tegra->dev); } else { if (tegra->otg_usb3_port >= 0) @@ -1399,6 +1401,7 @@ static void tegra_xhci_id_work(struct work_struct *work) tegra_xhci_set_port_power(tegra, true, false); } + pm_runtime_put_autosuspend(tegra->dev); } #if IS_ENABLED(CONFIG_PM) || IS_ENABLED(CONFIG_PM_SLEEP) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 799941b6ad6c..d5bcd5475b72 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -83,29 +83,6 @@ int xhci_handshake(void __iomem *ptr, u32 mask, u32 done, u64 timeout_us) } /* - * xhci_handshake_check_state - same as xhci_handshake but takes an additional - * exit_state parameter, and bails out with an error immediately when xhc_state - * has exit_state flag set. - */ -int xhci_handshake_check_state(struct xhci_hcd *xhci, void __iomem *ptr, - u32 mask, u32 done, int usec, unsigned int exit_state) -{ - u32 result; - int ret; - - ret = readl_poll_timeout_atomic(ptr, result, - (result & mask) == done || - result == U32_MAX || - xhci->xhc_state & exit_state, - 1, usec); - - if (result == U32_MAX || xhci->xhc_state & exit_state) - return -ENODEV; - - return ret; -} - -/* * Disable interrupts and begin the xHCI halting process. */ void xhci_quiesce(struct xhci_hcd *xhci) @@ -142,7 +119,8 @@ int xhci_halt(struct xhci_hcd *xhci) ret = xhci_handshake(&xhci->op_regs->status, STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC); if (ret) { - xhci_warn(xhci, "Host halt failed, %d\n", ret); + if (!(xhci->xhc_state & XHCI_STATE_DYING)) + xhci_warn(xhci, "Host halt failed, %d\n", ret); return ret; } @@ -201,7 +179,8 @@ int xhci_reset(struct xhci_hcd *xhci, u64 timeout_us) state = readl(&xhci->op_regs->status); if (state == ~(u32)0) { - xhci_warn(xhci, "Host not accessible, reset failed.\n"); + if (!(xhci->xhc_state & XHCI_STATE_DYING)) + xhci_warn(xhci, "Host not accessible, reset failed.\n"); return -ENODEV; } @@ -225,8 +204,7 @@ int xhci_reset(struct xhci_hcd *xhci, u64 timeout_us) if (xhci->quirks & XHCI_INTEL_HOST) udelay(1000); - ret = xhci_handshake_check_state(xhci, &xhci->op_regs->command, - CMD_RESET, 0, timeout_us, XHCI_STATE_REMOVING); + ret = xhci_handshake(&xhci->op_regs->command, CMD_RESET, 0, timeout_us); if (ret) return ret; @@ -1094,7 +1072,10 @@ int xhci_resume(struct xhci_hcd *xhci, pm_message_t msg) xhci_dbg(xhci, "Stop HCD\n"); xhci_halt(xhci); xhci_zero_64b_regs(xhci); - retval = xhci_reset(xhci, XHCI_RESET_LONG_USEC); + if (xhci->xhc_state & XHCI_STATE_REMOVING) + retval = -ENODEV; + else + retval = xhci_reset(xhci, XHCI_RESET_LONG_USEC); spin_unlock_irq(&xhci->lock); if (retval) return retval; @@ -3782,8 +3763,7 @@ static int xhci_discover_or_reset_device(struct usb_hcd *hcd, * Obtaining a new device slot to inform the xHCI host that * the USB device has been reset. */ - ret = xhci_disable_slot(xhci, udev->slot_id); - xhci_free_virt_device(xhci, udev->slot_id); + ret = xhci_disable_and_free_slot(xhci, udev->slot_id); if (!ret) { ret = xhci_alloc_dev(hcd, udev); if (ret == 1) @@ -3938,7 +3918,7 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) xhci_disable_slot(xhci, udev->slot_id); spin_lock_irqsave(&xhci->lock, flags); - xhci_free_virt_device(xhci, udev->slot_id); + xhci_free_virt_device(xhci, virt_dev, udev->slot_id); spin_unlock_irqrestore(&xhci->lock, flags); } @@ -3987,6 +3967,16 @@ int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id) return 0; } +int xhci_disable_and_free_slot(struct xhci_hcd *xhci, u32 slot_id) +{ + struct xhci_virt_device *vdev = xhci->devs[slot_id]; + int ret; + + ret = xhci_disable_slot(xhci, slot_id); + xhci_free_virt_device(xhci, vdev, slot_id); + return ret; +} + /* * Checks if we have enough host controller resources for the default control * endpoint. @@ -4093,8 +4083,7 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) return 1; disable_slot: - xhci_disable_slot(xhci, udev->slot_id); - xhci_free_virt_device(xhci, udev->slot_id); + xhci_disable_and_free_slot(xhci, udev->slot_id); return 0; } @@ -4230,8 +4219,7 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev, dev_warn(&udev->dev, "Device not responding to setup %s.\n", act); mutex_unlock(&xhci->mutex); - ret = xhci_disable_slot(xhci, udev->slot_id); - xhci_free_virt_device(xhci, udev->slot_id); + ret = xhci_disable_and_free_slot(xhci, udev->slot_id); if (!ret) { if (xhci_alloc_dev(hcd, udev) == 1) xhci_setup_addressable_virt_dev(xhci, udev); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 2a954efa53e8..67ee2e049943 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -211,6 +211,9 @@ struct xhci_op_regs { #define CONFIG_CIE (1 << 9) /* bits 10:31 - reserved and should be preserved */ +/* bits 15:0 - HCD page shift bit */ +#define XHCI_PAGE_SIZE_MASK 0xffff + /** * struct xhci_intr_reg - Interrupt Register Set * @irq_pending: IMAN - Interrupt Management Register. Used to enable @@ -1503,10 +1506,7 @@ struct xhci_hcd { u16 max_interrupters; /* imod_interval in ns (I * 250ns) */ u32 imod_interval; - /* 4KB min, 128MB max */ - int page_size; - /* Valid values are 12 to 20, inclusive */ - int page_shift; + u32 page_size; /* MSI-X/MSI vectors */ int nvecs; /* optional clocks */ @@ -1626,6 +1626,7 @@ struct xhci_hcd { #define XHCI_WRITE_64_HI_LO BIT_ULL(47) #define XHCI_CDNS_SCTX_QUIRK BIT_ULL(48) #define XHCI_ETRON_HOST BIT_ULL(49) +#define XHCI_LIMIT_ENDPOINT_INTERVAL_9 BIT_ULL(50) unsigned int num_active_eps; unsigned int limit_active_eps; @@ -1773,7 +1774,7 @@ void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *), /* xHCI memory management */ void xhci_mem_cleanup(struct xhci_hcd *xhci); int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags); -void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id); +void xhci_free_virt_device(struct xhci_hcd *xhci, struct xhci_virt_device *dev, int slot_id); int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id, struct usb_device *udev, gfp_t flags); int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *udev); void xhci_copy_ep0_dequeue_into_input_ctx(struct xhci_hcd *xhci, @@ -1846,8 +1847,6 @@ void xhci_remove_secondary_interrupter(struct usb_hcd /* xHCI host controller glue */ typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *); int xhci_handshake(void __iomem *ptr, u32 mask, u32 done, u64 timeout_us); -int xhci_handshake_check_state(struct xhci_hcd *xhci, void __iomem *ptr, - u32 mask, u32 done, int usec, unsigned int exit_state); void xhci_quiesce(struct xhci_hcd *xhci); int xhci_halt(struct xhci_hcd *xhci); int xhci_start(struct xhci_hcd *xhci); @@ -1867,6 +1866,7 @@ void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev); int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev, struct usb_tt *tt, gfp_t mem_flags); int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id); +int xhci_disable_and_free_slot(struct xhci_hcd *xhci, u32 slot_id); int xhci_ext_cap_init(struct xhci_hcd *xhci); int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup); diff --git a/drivers/usb/misc/apple-mfi-fastcharge.c b/drivers/usb/misc/apple-mfi-fastcharge.c index ac8695195c13..8e852f4b8262 100644 --- a/drivers/usb/misc/apple-mfi-fastcharge.c +++ b/drivers/usb/misc/apple-mfi-fastcharge.c @@ -44,6 +44,7 @@ MODULE_DEVICE_TABLE(usb, mfi_fc_id_table); struct mfi_device { struct usb_device *udev; struct power_supply *battery; + struct power_supply_desc battery_desc; int charge_type; }; @@ -178,6 +179,7 @@ static int mfi_fc_probe(struct usb_device *udev) { struct power_supply_config battery_cfg = {}; struct mfi_device *mfi = NULL; + char *battery_name; int err; if (!mfi_fc_match(udev)) @@ -187,23 +189,38 @@ static int mfi_fc_probe(struct usb_device *udev) if (!mfi) return -ENOMEM; + battery_name = kasprintf(GFP_KERNEL, "apple_mfi_fastcharge_%d-%d", + udev->bus->busnum, udev->devnum); + if (!battery_name) { + err = -ENOMEM; + goto err_free_mfi; + } + + mfi->battery_desc = apple_mfi_fc_desc; + mfi->battery_desc.name = battery_name; + battery_cfg.drv_data = mfi; mfi->charge_type = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; mfi->battery = power_supply_register(&udev->dev, - &apple_mfi_fc_desc, + &mfi->battery_desc, &battery_cfg); if (IS_ERR(mfi->battery)) { dev_err(&udev->dev, "Can't register battery\n"); err = PTR_ERR(mfi->battery); - kfree(mfi); - return err; + goto err_free_name; } mfi->udev = usb_get_dev(udev); dev_set_drvdata(&udev->dev, mfi); return 0; + +err_free_name: + kfree(battery_name); +err_free_mfi: + kfree(mfi); + return err; } static void mfi_fc_disconnect(struct usb_device *udev) @@ -213,6 +230,7 @@ static void mfi_fc_disconnect(struct usb_device *udev) mfi = dev_get_drvdata(&udev->dev); if (mfi->battery) power_supply_unregister(mfi->battery); + kfree(mfi->battery_desc.name); dev_set_drvdata(&udev->dev, NULL); usb_put_dev(mfi->udev); kfree(mfi); diff --git a/drivers/usb/misc/onboard_usb_dev.c b/drivers/usb/misc/onboard_usb_dev.c index 27b0a6e18267..cf716ae870b8 100644 --- a/drivers/usb/misc/onboard_usb_dev.c +++ b/drivers/usb/misc/onboard_usb_dev.c @@ -36,9 +36,10 @@ #define USB5744_CMD_CREG_ACCESS 0x99 #define USB5744_CMD_CREG_ACCESS_LSB 0x37 #define USB5744_CREG_MEM_ADDR 0x00 +#define USB5744_CREG_MEM_RD_ADDR 0x04 #define USB5744_CREG_WRITE 0x00 -#define USB5744_CREG_RUNTIMEFLAGS2 0x41 -#define USB5744_CREG_RUNTIMEFLAGS2_LSB 0x1D +#define USB5744_CREG_READ 0x01 +#define USB5744_CREG_RUNTIMEFLAGS2 0x411D #define USB5744_CREG_BYPASS_UDC_SUSPEND BIT(3) static void onboard_dev_attach_usb_driver(struct work_struct *work); @@ -309,11 +310,88 @@ static void onboard_dev_attach_usb_driver(struct work_struct *work) pr_err("Failed to attach USB driver: %pe\n", ERR_PTR(err)); } +#if IS_ENABLED(CONFIG_USB_ONBOARD_DEV_USB5744) +static int onboard_dev_5744_i2c_read_byte(struct i2c_client *client, u16 addr, u8 *data) +{ + struct i2c_msg msg[2]; + u8 rd_buf[3]; + int ret; + + u8 wr_buf[7] = {0, USB5744_CREG_MEM_ADDR, 4, + USB5744_CREG_READ, 1, + addr >> 8 & 0xff, + addr & 0xff}; + msg[0].addr = client->addr; + msg[0].flags = 0; + msg[0].len = sizeof(wr_buf); + msg[0].buf = wr_buf; + + ret = i2c_transfer(client->adapter, msg, 1); + if (ret < 0) + return ret; + + wr_buf[0] = USB5744_CMD_CREG_ACCESS; + wr_buf[1] = USB5744_CMD_CREG_ACCESS_LSB; + wr_buf[2] = 0; + msg[0].len = 3; + + ret = i2c_transfer(client->adapter, msg, 1); + if (ret < 0) + return ret; + + wr_buf[0] = 0; + wr_buf[1] = USB5744_CREG_MEM_RD_ADDR; + msg[0].len = 2; + + msg[1].addr = client->addr; + msg[1].flags = I2C_M_RD; + msg[1].len = 2; + msg[1].buf = rd_buf; + + ret = i2c_transfer(client->adapter, msg, 2); + if (ret < 0) + return ret; + *data = rd_buf[1]; + + return 0; +} + +static int onboard_dev_5744_i2c_write_byte(struct i2c_client *client, u16 addr, u8 data) +{ + struct i2c_msg msg[2]; + int ret; + + u8 wr_buf[8] = {0, USB5744_CREG_MEM_ADDR, 5, + USB5744_CREG_WRITE, 1, + addr >> 8 & 0xff, + addr & 0xff, + data}; + msg[0].addr = client->addr; + msg[0].flags = 0; + msg[0].len = sizeof(wr_buf); + msg[0].buf = wr_buf; + + ret = i2c_transfer(client->adapter, msg, 1); + if (ret < 0) + return ret; + + msg[0].len = 3; + wr_buf[0] = USB5744_CMD_CREG_ACCESS; + wr_buf[1] = USB5744_CMD_CREG_ACCESS_LSB; + wr_buf[2] = 0; + + ret = i2c_transfer(client->adapter, msg, 1); + if (ret < 0) + return ret; + + return 0; +} + static int onboard_dev_5744_i2c_init(struct i2c_client *client) { -#if IS_ENABLED(CONFIG_USB_ONBOARD_DEV_USB5744) struct device *dev = &client->dev; int ret; + u8 reg; /* * Set BYPASS_UDC_SUSPEND bit to ensure MCU is always enabled @@ -321,20 +399,16 @@ static int onboard_dev_5744_i2c_init(struct i2c_client *client) * The command writes 5 bytes to memory and single data byte in * configuration register. */ - char wr_buf[7] = {USB5744_CREG_MEM_ADDR, 5, - USB5744_CREG_WRITE, 1, - USB5744_CREG_RUNTIMEFLAGS2, - USB5744_CREG_RUNTIMEFLAGS2_LSB, - USB5744_CREG_BYPASS_UDC_SUSPEND}; - - ret = i2c_smbus_write_block_data(client, 0, sizeof(wr_buf), wr_buf); + ret = onboard_dev_5744_i2c_read_byte(client, + USB5744_CREG_RUNTIMEFLAGS2, ®); if (ret) - return dev_err_probe(dev, ret, "BYPASS_UDC_SUSPEND bit configuration failed\n"); + return dev_err_probe(dev, ret, "CREG_RUNTIMEFLAGS2 read failed\n"); - ret = i2c_smbus_write_word_data(client, USB5744_CMD_CREG_ACCESS, - USB5744_CMD_CREG_ACCESS_LSB); + reg |= USB5744_CREG_BYPASS_UDC_SUSPEND; + ret = onboard_dev_5744_i2c_write_byte(client, + USB5744_CREG_RUNTIMEFLAGS2, reg); if (ret) - return dev_err_probe(dev, ret, "Configuration Register Access Command failed\n"); + return dev_err_probe(dev, ret, "BYPASS_UDC_SUSPEND bit configuration failed\n"); /* Send SMBus command to boot hub. */ ret = i2c_smbus_write_word_data(client, USB5744_CMD_ATTACH, @@ -343,10 +417,13 @@ static int onboard_dev_5744_i2c_init(struct i2c_client *client) return dev_err_probe(dev, ret, "USB Attach with SMBus command failed\n"); return ret; +} #else +static int onboard_dev_5744_i2c_init(struct i2c_client *client) +{ return -ENODEV; -#endif } +#endif static int onboard_dev_probe(struct platform_device *pdev) { @@ -569,8 +646,14 @@ static void onboard_dev_usbdev_disconnect(struct usb_device *udev) } static const struct usb_device_id onboard_dev_id_table[] = { - { USB_DEVICE(VENDOR_ID_CYPRESS, 0x6504) }, /* CYUSB33{0,1,2}x/CYUSB230x 3.0 HUB */ - { USB_DEVICE(VENDOR_ID_CYPRESS, 0x6506) }, /* CYUSB33{0,1,2}x/CYUSB230x 2.0 HUB */ + { USB_DEVICE(VENDOR_ID_CYPRESS, 0x6500) }, /* CYUSB330x 3.0 HUB */ + { USB_DEVICE(VENDOR_ID_CYPRESS, 0x6502) }, /* CYUSB330x 2.0 HUB */ + { USB_DEVICE(VENDOR_ID_CYPRESS, 0x6503) }, /* CYUSB33{0,1}x 2.0 HUB, Vendor Mode */ + { USB_DEVICE(VENDOR_ID_CYPRESS, 0x6504) }, /* CYUSB331x 3.0 HUB */ + { USB_DEVICE(VENDOR_ID_CYPRESS, 0x6506) }, /* CYUSB331x 2.0 HUB */ + { USB_DEVICE(VENDOR_ID_CYPRESS, 0x6507) }, /* CYUSB332x 2.0 HUB, Vendor Mode */ + { USB_DEVICE(VENDOR_ID_CYPRESS, 0x6508) }, /* CYUSB332x 3.0 HUB */ + { USB_DEVICE(VENDOR_ID_CYPRESS, 0x650a) }, /* CYUSB332x 2.0 HUB */ { USB_DEVICE(VENDOR_ID_CYPRESS, 0x6570) }, /* CY7C6563x 2.0 HUB */ { USB_DEVICE(VENDOR_ID_GENESYS, 0x0608) }, /* Genesys Logic GL850G USB 2.0 HUB */ { USB_DEVICE(VENDOR_ID_GENESYS, 0x0610) }, /* Genesys Logic GL852G USB 2.0 HUB */ diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index c6076df0d50c..da2b864fdadf 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1912,6 +1912,7 @@ static int musb_gadget_stop(struct usb_gadget *g) * gadget driver here and have everything work; * that currently misbehaves. */ + usb_gadget_set_state(g, USB_STATE_NOTATTACHED); /* Force check of devctl register for PM runtime */ pm_runtime_mark_last_busy(musb->controller); @@ -2018,6 +2019,7 @@ void musb_g_disconnect(struct musb *musb) case OTG_STATE_B_PERIPHERAL: case OTG_STATE_B_IDLE: musb_set_state(musb, OTG_STATE_B_IDLE); + usb_gadget_set_state(&musb->g, USB_STATE_NOTATTACHED); break; case OTG_STATE_B_SRP_INIT: break; diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index b4a4c1df4e0d..a4668c6d575d 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -400,7 +400,7 @@ static int omap2430_probe(struct platform_device *pdev) ret = platform_device_add_resources(musb, pdev->resource, pdev->num_resources); if (ret) { dev_err(&pdev->dev, "failed to add resources\n"); - goto err2; + goto err_put_control_otghs; } if (populate_irqs) { @@ -413,7 +413,7 @@ static int omap2430_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { ret = -EINVAL; - goto err2; + goto err_put_control_otghs; } musb_res[i].start = res->start; @@ -441,14 +441,14 @@ static int omap2430_probe(struct platform_device *pdev) ret = platform_device_add_resources(musb, musb_res, i); if (ret) { dev_err(&pdev->dev, "failed to add IRQ resources\n"); - goto err2; + goto err_put_control_otghs; } } ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); if (ret) { dev_err(&pdev->dev, "failed to add platform_data\n"); - goto err2; + goto err_put_control_otghs; } pm_runtime_enable(glue->dev); @@ -463,7 +463,9 @@ static int omap2430_probe(struct platform_device *pdev) err3: pm_runtime_disable(glue->dev); - +err_put_control_otghs: + if (!IS_ERR(glue->control_otghs)) + put_device(glue->control_otghs); err2: platform_device_put(musb); @@ -477,6 +479,8 @@ static void omap2430_remove(struct platform_device *pdev) platform_device_unregister(glue->musb); pm_runtime_disable(glue->dev); + if (!IS_ERR(glue->control_otghs)) + put_device(glue->control_otghs); } #ifdef CONFIG_PM diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index 7324de52d950..161786e9b7e4 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -685,10 +685,29 @@ static int usbhs_probe(struct platform_device *pdev) INIT_DELAYED_WORK(&priv->notify_hotplug_work, usbhsc_notify_hotplug); spin_lock_init(usbhs_priv_to_lock(priv)); + /* + * Acquire clocks and enable power management (PM) early in the + * probe process, as the driver accesses registers during + * initialization. Ensure the device is active before proceeding. + */ + pm_runtime_enable(dev); + + ret = usbhsc_clk_get(dev, priv); + if (ret) + goto probe_pm_disable; + + ret = pm_runtime_resume_and_get(dev); + if (ret) + goto probe_clk_put; + + ret = usbhsc_clk_prepare_enable(priv); + if (ret) + goto probe_pm_put; + /* call pipe and module init */ ret = usbhs_pipe_probe(priv); if (ret < 0) - return ret; + goto probe_clk_dis_unprepare; ret = usbhs_fifo_probe(priv); if (ret < 0) @@ -705,10 +724,6 @@ static int usbhs_probe(struct platform_device *pdev) if (ret) goto probe_fail_rst; - ret = usbhsc_clk_get(dev, priv); - if (ret) - goto probe_fail_clks; - /* * deviece reset here because * USB device might be used in boot loader. @@ -721,7 +736,7 @@ static int usbhs_probe(struct platform_device *pdev) if (ret) { dev_warn(dev, "USB function not selected (GPIO)\n"); ret = -ENOTSUPP; - goto probe_end_mod_exit; + goto probe_assert_rest; } } @@ -735,14 +750,19 @@ static int usbhs_probe(struct platform_device *pdev) ret = usbhs_platform_call(priv, hardware_init, pdev); if (ret < 0) { dev_err(dev, "platform init failed.\n"); - goto probe_end_mod_exit; + goto probe_assert_rest; } /* reset phy for connection */ usbhs_platform_call(priv, phy_reset, pdev); - /* power control */ - pm_runtime_enable(dev); + /* + * Disable the clocks that were enabled earlier in the probe path, + * and let the driver handle the clocks beyond this point. + */ + usbhsc_clk_disable_unprepare(priv); + pm_runtime_put(dev); + if (!usbhs_get_dparam(priv, runtime_pwctrl)) { usbhsc_power_ctrl(priv, 1); usbhs_mod_autonomy_mode(priv); @@ -759,9 +779,7 @@ static int usbhs_probe(struct platform_device *pdev) return ret; -probe_end_mod_exit: - usbhsc_clk_put(priv); -probe_fail_clks: +probe_assert_rest: reset_control_assert(priv->rsts); probe_fail_rst: usbhs_mod_remove(priv); @@ -769,6 +787,14 @@ probe_end_fifo_exit: usbhs_fifo_remove(priv); probe_end_pipe_exit: usbhs_pipe_remove(priv); +probe_clk_dis_unprepare: + usbhsc_clk_disable_unprepare(priv); +probe_pm_put: + pm_runtime_put(dev); +probe_clk_put: + usbhsc_clk_put(priv); +probe_pm_disable: + pm_runtime_disable(dev); dev_info(dev, "probe failed (%d)\n", ret); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index eef614be7db5..4f21d75f5877 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -803,6 +803,8 @@ static const struct usb_device_id id_table_combined[] = { .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID), .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, + { USB_DEVICE(FTDI_NDI_VID, FTDI_NDI_EMGUIDE_GEMINI_PID), + .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) }, { USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) }, { USB_DEVICE(FTDI_VID, RTSYSTEMS_USB_VX8_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 9acb6f837327..4cc1fae8acb9 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -204,6 +204,9 @@ #define FTDI_NDI_FUTURE_3_PID 0xDA73 /* NDI future device #3 */ #define FTDI_NDI_AURORA_SCU_PID 0xDA74 /* NDI Aurora SCU */ +#define FTDI_NDI_VID 0x23F2 +#define FTDI_NDI_EMGUIDE_GEMINI_PID 0x0003 /* NDI Emguide Gemini */ + /* * ChamSys Limited (www.chamsys.co.uk) USB wing/interface product IDs */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 27879cc57536..e5cd33093423 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1415,6 +1415,9 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(5) }, { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d0, 0xff, 0xff, 0x40) }, { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d0, 0xff, 0xff, 0x60) }, + { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10c7, 0xff, 0xff, 0x30), /* Telit FE910C04 (ECM) */ + .driver_info = NCTRL(4) }, + { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10c7, 0xff, 0xff, 0x40) }, { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d1, 0xff, 0xff, 0x30), /* Telit FN990B (MBIM) */ .driver_info = NCTRL(6) }, { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d1, 0xff, 0xff, 0x40) }, @@ -2343,6 +2346,10 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(3) }, { USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe145, 0xff), /* Foxconn T99W651 RNDIS */ .driver_info = RSVD(5) | RSVD(6) }, + { USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe15f, 0xff), /* Foxconn T99W709 */ + .driver_info = RSVD(5) }, + { USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe167, 0xff), /* Foxconn T99W640 MBIM */ + .driver_info = RSVD(3) }, { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */ .driver_info = RSVD(4) | RSVD(5) | RSVD(6) }, { USB_DEVICE(0x1782, 0x4d10) }, /* Fibocom L610 (AT mode) */ diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index ad41363e3cea..9708c3d40f07 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -457,6 +457,8 @@ static int pl2303_detect_type(struct usb_serial *serial) case 0x605: case 0x700: /* GR */ case 0x705: + case 0x905: /* GT-2AB */ + case 0x1005: /* GC-Q20 */ return TYPE_HXN; } break; diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c index 0c423916d7bf..a026c6cb6e68 100644 --- a/drivers/usb/storage/realtek_cr.c +++ b/drivers/usb/storage/realtek_cr.c @@ -252,7 +252,7 @@ static int rts51x_bulk_transport(struct us_data *us, u8 lun, return USB_STOR_TRANSPORT_ERROR; } - residue = bcs->Residue; + residue = le32_to_cpu(bcs->Residue); if (bcs->Tag != us->tag) return USB_STOR_TRANSPORT_ERROR; diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 54f0b1c83317..dfa5276a5a43 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -934,6 +934,13 @@ UNUSUAL_DEV( 0x05e3, 0x0723, 0x9451, 0x9451, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_SANE_SENSE ), +/* Added by Maël GUERIN <mael.guerin@murena.io> */ +UNUSUAL_DEV( 0x0603, 0x8611, 0x0000, 0xffff, + "Novatek", + "NTK96550-based camera", + USB_SC_SCSI, USB_PR_BULK, NULL, + US_FL_BULK_IGNORE_TAG ), + /* * Reported by Hanno Boeck <hanno@gmx.de> * Taken from the Lycoris Kernel @@ -1494,6 +1501,28 @@ UNUSUAL_DEV( 0x0bc2, 0x3332, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_WP_DETECT ), +/* + * Reported by Zenm Chen <zenmchen@gmail.com> + * Ignore driver CD mode, otherwise usb_modeswitch may fail to switch + * the device into Wi-Fi mode. + */ +UNUSUAL_DEV( 0x0bda, 0x1a2b, 0x0000, 0xffff, + "Realtek", + "DISK", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_DEVICE ), + +/* + * Reported by Zenm Chen <zenmchen@gmail.com> + * Ignore driver CD mode, otherwise usb_modeswitch may fail to switch + * the device into Wi-Fi mode. + */ +UNUSUAL_DEV( 0x0bda, 0xa192, 0x0000, 0xffff, + "Realtek", + "DISK", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_DEVICE ), + UNUSUAL_DEV( 0x0d49, 0x7310, 0x0000, 0x9999, "Maxtor", "USB to SATA", diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index d460d71b4257..1477e31d7763 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -52,6 +52,13 @@ UNUSUAL_DEV(0x059f, 0x1061, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_REPORT_OPCODES | US_FL_NO_SAME), +/* Reported-by: Zhihong Zhou <zhouzhihong@greatwall.com.cn> */ +UNUSUAL_DEV(0x0781, 0x55e8, 0x0000, 0x9999, + "SanDisk", + "", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_UAS), + /* Reported-by: Hongling Zeng <zenghongling@kylinos.cn> */ UNUSUAL_DEV(0x090c, 0x2000, 0x0000, 0x9999, "Hiksemi", diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c index 92cc1b136120..6964f403a2d5 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -393,6 +393,9 @@ static int dp_altmode_vdm(struct typec_altmode *alt, break; case CMDT_RSP_NAK: switch (cmd) { + case DP_CMD_STATUS_UPDATE: + dp->state = DP_STATE_EXIT; + break; case DP_CMD_CONFIGURE: dp->data.conf = 0; ret = dp_altmode_configured(dp); @@ -673,7 +676,7 @@ static ssize_t pin_assignment_show(struct device *dev, assignments = get_current_pin_assignments(dp); - for (i = 0; assignments; assignments >>= 1, i++) { + for (i = 0; assignments && i < DP_PIN_ASSIGN_MAX; assignments >>= 1, i++) { if (assignments & 1) { if (i == cur) len += sprintf(buf + len, "[%s] ", diff --git a/drivers/usb/typec/bus.c b/drivers/usb/typec/bus.c index aa879253d3b8..13044ee5be10 100644 --- a/drivers/usb/typec/bus.c +++ b/drivers/usb/typec/bus.c @@ -449,7 +449,7 @@ ATTRIBUTE_GROUPS(typec); static int typec_match(struct device *dev, const struct device_driver *driver) { - struct typec_altmode_driver *drv = to_altmode_driver(driver); + const struct typec_altmode_driver *drv = to_altmode_driver(driver); struct typec_altmode *altmode = to_typec_altmode(dev); const struct typec_device_id *id; diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 5c75634b8fa3..c9c3dea8ba07 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -10,6 +10,7 @@ #include <linux/mutex.h> #include <linux/property.h> #include <linux/slab.h> +#include <linux/string_choices.h> #include <linux/usb/pd_vdo.h> #include <linux/usb/typec_mux.h> #include <linux/usb/typec_retimer.h> @@ -354,7 +355,7 @@ active_show(struct device *dev, struct device_attribute *attr, char *buf) { struct typec_altmode *alt = to_typec_altmode(dev); - return sprintf(buf, "%s\n", alt->active ? "yes" : "no"); + return sprintf(buf, "%s\n", str_yes_no(alt->active)); } static ssize_t active_store(struct device *dev, struct device_attribute *attr, @@ -630,7 +631,7 @@ static ssize_t supports_usb_power_delivery_show(struct device *dev, { struct typec_partner *p = to_typec_partner(dev); - return sprintf(buf, "%s\n", p->usb_pd ? "yes" : "no"); + return sprintf(buf, "%s\n", str_yes_no(p->usb_pd)); } static DEVICE_ATTR_RO(supports_usb_power_delivery); @@ -1688,7 +1689,7 @@ static ssize_t vconn_source_show(struct device *dev, struct typec_port *port = to_typec_port(dev); return sprintf(buf, "%s\n", - port->vconn_role == TYPEC_SOURCE ? "yes" : "no"); + str_yes_no(port->vconn_role == TYPEC_SOURCE)); } static DEVICE_ATTR_RW(vconn_source); diff --git a/drivers/usb/typec/mux.c b/drivers/usb/typec/mux.c index 49926d6e72c7..182c902c42f6 100644 --- a/drivers/usb/typec/mux.c +++ b/drivers/usb/typec/mux.c @@ -214,7 +214,7 @@ int typec_switch_set(struct typec_switch *sw, sw_dev = sw->sw_devs[i]; ret = sw_dev->set(sw_dev, orientation); - if (ret) + if (ret && ret != -EOPNOTSUPP) return ret; } @@ -378,7 +378,7 @@ int typec_mux_set(struct typec_mux *mux, struct typec_mux_state *state) mux_dev = mux->mux_devs[i]; ret = mux_dev->set(mux_dev, state); - if (ret) + if (ret && ret != -EOPNOTSUPP) return ret; } diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c index 46b4c5c3a6be..32343f567d44 100644 --- a/drivers/usb/typec/mux/intel_pmc_mux.c +++ b/drivers/usb/typec/mux/intel_pmc_mux.c @@ -754,7 +754,7 @@ static int pmc_usb_probe(struct platform_device *pdev) pmc->ipc = devm_intel_scu_ipc_dev_get(&pdev->dev); if (!pmc->ipc) - return -ENODEV; + return -EPROBE_DEFER; pmc->dev = &pdev->dev; diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c index e2fe479e16ad..870a71f953f6 100644 --- a/drivers/usb/typec/tcpm/fusb302.c +++ b/drivers/usb/typec/tcpm/fusb302.c @@ -24,6 +24,7 @@ #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/string.h> +#include <linux/string_choices.h> #include <linux/types.h> #include <linux/usb.h> #include <linux/usb/typec.h> @@ -103,6 +104,7 @@ struct fusb302_chip { bool vconn_on; bool vbus_on; bool charge_on; + bool pd_rx_on; bool vbus_present; enum typec_cc_polarity cc_polarity; enum typec_cc_status cc1; @@ -733,7 +735,7 @@ static int tcpm_set_vconn(struct tcpc_dev *dev, bool on) mutex_lock(&chip->lock); if (chip->vconn_on == on) { - fusb302_log(chip, "vconn is already %s", on ? "On" : "Off"); + fusb302_log(chip, "vconn is already %s", str_on_off(on)); goto done; } if (on) { @@ -746,7 +748,7 @@ static int tcpm_set_vconn(struct tcpc_dev *dev, bool on) if (ret < 0) goto done; chip->vconn_on = on; - fusb302_log(chip, "vconn := %s", on ? "On" : "Off"); + fusb302_log(chip, "vconn := %s", str_on_off(on)); done: mutex_unlock(&chip->lock); @@ -761,7 +763,7 @@ static int tcpm_set_vbus(struct tcpc_dev *dev, bool on, bool charge) mutex_lock(&chip->lock); if (chip->vbus_on == on) { - fusb302_log(chip, "vbus is already %s", on ? "On" : "Off"); + fusb302_log(chip, "vbus is already %s", str_on_off(on)); } else { if (on) ret = regulator_enable(chip->vbus); @@ -769,15 +771,14 @@ static int tcpm_set_vbus(struct tcpc_dev *dev, bool on, bool charge) ret = regulator_disable(chip->vbus); if (ret < 0) { fusb302_log(chip, "cannot %s vbus regulator, ret=%d", - on ? "enable" : "disable", ret); + str_enable_disable(on), ret); goto done; } chip->vbus_on = on; - fusb302_log(chip, "vbus := %s", on ? "On" : "Off"); + fusb302_log(chip, "vbus := %s", str_on_off(on)); } if (chip->charge_on == charge) - fusb302_log(chip, "charge is already %s", - charge ? "On" : "Off"); + fusb302_log(chip, "charge is already %s", str_on_off(charge)); else chip->charge_on = charge; @@ -841,6 +842,11 @@ static int tcpm_set_pd_rx(struct tcpc_dev *dev, bool on) int ret = 0; mutex_lock(&chip->lock); + if (chip->pd_rx_on == on) { + fusb302_log(chip, "pd is already %s", str_on_off(on)); + goto done; + } + ret = fusb302_pd_rx_flush(chip); if (ret < 0) { fusb302_log(chip, "cannot flush pd rx buffer, ret=%d", ret); @@ -854,16 +860,18 @@ static int tcpm_set_pd_rx(struct tcpc_dev *dev, bool on) ret = fusb302_pd_set_auto_goodcrc(chip, on); if (ret < 0) { fusb302_log(chip, "cannot turn %s auto GCRC, ret=%d", - on ? "on" : "off", ret); + str_on_off(on), ret); goto done; } ret = fusb302_pd_set_interrupts(chip, on); if (ret < 0) { fusb302_log(chip, "cannot turn %s pd interrupts, ret=%d", - on ? "on" : "off", ret); + str_on_off(on), ret); goto done; } - fusb302_log(chip, "pd := %s", on ? "on" : "off"); + + chip->pd_rx_on = on; + fusb302_log(chip, "pd := %s", str_on_off(on)); done: mutex_unlock(&chip->lock); @@ -1531,7 +1539,7 @@ static void fusb302_irq_work(struct work_struct *work) if (interrupt & FUSB_REG_INTERRUPT_VBUSOK) { vbus_present = !!(status0 & FUSB_REG_STATUS0_VBUSOK); fusb302_log(chip, "IRQ: VBUS_OK, vbus=%s", - vbus_present ? "On" : "Off"); + str_on_off(vbus_present)); if (vbus_present != chip->vbus_present) { chip->vbus_present = vbus_present; tcpm_vbus_change(chip->tcpm_port); @@ -1562,7 +1570,7 @@ static void fusb302_irq_work(struct work_struct *work) if ((interrupt & FUSB_REG_INTERRUPT_COMP_CHNG) && intr_comp_chng) { comp_result = !!(status0 & FUSB_REG_STATUS0_COMP); fusb302_log(chip, "IRQ: COMP_CHNG, comp=%s", - comp_result ? "true" : "false"); + str_true_false(comp_result)); if (comp_result) { /* cc level > Rd_threshold, detach */ chip->cc1 = TYPEC_CC_OPEN; diff --git a/drivers/usb/typec/tcpm/maxim_contaminant.c b/drivers/usb/typec/tcpm/maxim_contaminant.c index 0cdda06592fd..af8da6dc60ae 100644 --- a/drivers/usb/typec/tcpm/maxim_contaminant.c +++ b/drivers/usb/typec/tcpm/maxim_contaminant.c @@ -188,6 +188,11 @@ static int max_contaminant_read_comparators(struct max_tcpci_chip *chip, u8 *ven if (ret < 0) return ret; + /* Disable low power mode */ + ret = regmap_update_bits(regmap, TCPC_VENDOR_CC_CTRL2, CCLPMODESEL, + FIELD_PREP(CCLPMODESEL, + LOW_POWER_MODE_DISABLE)); + /* Sleep to allow comparators settle */ usleep_range(5000, 6000); ret = regmap_update_bits(regmap, TCPC_TCPC_CTRL, TCPC_TCPC_CTRL_ORIENTATION, PLUG_ORNT_CC1); @@ -324,6 +329,39 @@ static int max_contaminant_enable_dry_detection(struct max_tcpci_chip *chip) return 0; } +static int max_contaminant_enable_toggling(struct max_tcpci_chip *chip) +{ + struct regmap *regmap = chip->data.regmap; + int ret; + + /* Disable dry detection if enabled. */ + ret = regmap_update_bits(regmap, TCPC_VENDOR_CC_CTRL2, CCLPMODESEL, + FIELD_PREP(CCLPMODESEL, + LOW_POWER_MODE_DISABLE)); + if (ret) + return ret; + + ret = regmap_update_bits(regmap, TCPC_VENDOR_CC_CTRL1, CCCONNDRY, 0); + if (ret) + return ret; + + ret = max_tcpci_write8(chip, TCPC_ROLE_CTRL, TCPC_ROLE_CTRL_DRP | + FIELD_PREP(TCPC_ROLE_CTRL_CC1, + TCPC_ROLE_CTRL_CC_RD) | + FIELD_PREP(TCPC_ROLE_CTRL_CC2, + TCPC_ROLE_CTRL_CC_RD)); + if (ret) + return ret; + + ret = regmap_update_bits(regmap, TCPC_TCPC_CTRL, + TCPC_TCPC_CTRL_EN_LK4CONN_ALRT, + TCPC_TCPC_CTRL_EN_LK4CONN_ALRT); + if (ret) + return ret; + + return max_tcpci_write8(chip, TCPC_COMMAND, TCPC_CMD_LOOK4CONNECTION); +} + bool max_contaminant_is_contaminant(struct max_tcpci_chip *chip, bool disconnect_while_debounce, bool *cc_handled) { @@ -340,6 +378,12 @@ bool max_contaminant_is_contaminant(struct max_tcpci_chip *chip, bool disconnect if (ret < 0) return false; + if (cc_status & TCPC_CC_STATUS_TOGGLING) { + if (chip->contaminant_state == DETECTED) + return true; + return false; + } + if (chip->contaminant_state == NOT_DETECTED || chip->contaminant_state == SINK) { if (!disconnect_while_debounce) msleep(100); @@ -372,6 +416,12 @@ bool max_contaminant_is_contaminant(struct max_tcpci_chip *chip, bool disconnect max_contaminant_enable_dry_detection(chip); return true; } + + ret = max_contaminant_enable_toggling(chip); + if (ret) + dev_err(chip->dev, + "Failed to enable toggling, ret=%d", + ret); } } else if (chip->contaminant_state == DETECTED) { if (!(cc_status & TCPC_CC_STATUS_TOGGLING)) { @@ -379,6 +429,14 @@ bool max_contaminant_is_contaminant(struct max_tcpci_chip *chip, bool disconnect if (chip->contaminant_state == DETECTED) { max_contaminant_enable_dry_detection(chip); return true; + } else { + ret = max_contaminant_enable_toggling(chip); + if (ret) { + dev_err(chip->dev, + "Failed to enable toggling, ret=%d", + ret); + return true; + } } } } diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c index 726423684bae..18303b34594b 100644 --- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c @@ -12,6 +12,7 @@ #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> +#include <linux/string_choices.h> #include <linux/usb/pd.h> #include <linux/usb/tcpm.h> #include "qcom_pmic_typec.h" @@ -418,7 +419,7 @@ static int qcom_pmic_typec_pdphy_set_pd_rx(struct tcpc_dev *tcpc, bool on) spin_unlock_irqrestore(&pmic_typec_pdphy->lock, flags); - dev_dbg(pmic_typec_pdphy->dev, "set_pd_rx: %s\n", on ? "on" : "off"); + dev_dbg(pmic_typec_pdphy->dev, "set_pd_rx: %s\n", str_on_off(on)); return ret; } diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy_stub.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy_stub.c index df79059cda67..8fac171778da 100644 --- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy_stub.c +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy_stub.c @@ -12,6 +12,7 @@ #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> +#include <linux/string_choices.h> #include <linux/usb/pd.h> #include <linux/usb/tcpm.h> #include "qcom_pmic_typec.h" @@ -38,7 +39,7 @@ static int qcom_pmic_typec_pdphy_stub_set_pd_rx(struct tcpc_dev *tcpc, bool on) struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc); struct device *dev = tcpm->dev; - dev_dbg(dev, "set_pd_rx: %s\n", on ? "on" : "off"); + dev_dbg(dev, "set_pd_rx: %s\n", str_on_off(on)); return 0; } diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c index c37dede62e12..4fc83dcfae64 100644 --- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c @@ -13,6 +13,7 @@ #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> +#include <linux/string_choices.h> #include <linux/usb/tcpm.h> #include <linux/usb/typec_mux.h> #include <linux/workqueue.h> @@ -562,7 +563,8 @@ done: spin_unlock_irqrestore(&pmic_typec_port->lock, flags); dev_dbg(dev, "set_vconn: orientation %d control 0x%08x state %s cc %s vconn %s\n", - orientation, value, on ? "on" : "off", misc_to_vconn(misc), misc_to_cc(misc)); + orientation, value, str_on_off(on), misc_to_vconn(misc), + misc_to_cc(misc)); return ret; } diff --git a/drivers/usb/typec/tcpm/tcpci_maxim.h b/drivers/usb/typec/tcpm/tcpci_maxim.h index 76270d5c2838..b33540a42a95 100644 --- a/drivers/usb/typec/tcpm/tcpci_maxim.h +++ b/drivers/usb/typec/tcpm/tcpci_maxim.h @@ -21,6 +21,7 @@ #define CCOVPDIS BIT(6) #define SBURPCTRL BIT(5) #define CCLPMODESEL GENMASK(4, 3) +#define LOW_POWER_MODE_DISABLE 0 #define ULTRA_LOW_POWER_MODE 1 #define CCRPCTRL GENMASK(2, 0) #define UA_1_SRC 1 diff --git a/drivers/usb/typec/tcpm/tcpci_maxim_core.c b/drivers/usb/typec/tcpm/tcpci_maxim_core.c index fd1b80593367..eeaf79e97261 100644 --- a/drivers/usb/typec/tcpm/tcpci_maxim_core.c +++ b/drivers/usb/typec/tcpm/tcpci_maxim_core.c @@ -166,7 +166,8 @@ static void process_rx(struct max_tcpci_chip *chip, u16 status) return; } - if (count > sizeof(struct pd_message) || count + 1 > TCPC_RECEIVE_BUFFER_LEN) { + if (count > sizeof(struct pd_message) + 1 || + count + 1 > TCPC_RECEIVE_BUFFER_LEN) { dev_err(chip->dev, "Invalid TCPC_RX_BYTE_CNT %d\n", count); return; } @@ -420,21 +421,6 @@ static irqreturn_t max_tcpci_isr(int irq, void *dev_id) return IRQ_WAKE_THREAD; } -static int max_tcpci_init_alert(struct max_tcpci_chip *chip, struct i2c_client *client) -{ - int ret; - - ret = devm_request_threaded_irq(chip->dev, client->irq, max_tcpci_isr, max_tcpci_irq, - (IRQF_TRIGGER_LOW | IRQF_ONESHOT), dev_name(chip->dev), - chip); - - if (ret < 0) - return ret; - - enable_irq_wake(client->irq); - return 0; -} - static int max_tcpci_start_toggling(struct tcpci *tcpci, struct tcpci_data *tdata, enum typec_cc_status cc) { @@ -531,7 +517,9 @@ static int max_tcpci_probe(struct i2c_client *client) chip->port = tcpci_get_tcpm_port(chip->tcpci); - ret = max_tcpci_init_alert(chip, client); + ret = devm_request_threaded_irq(&client->dev, client->irq, max_tcpci_isr, max_tcpci_irq, + (IRQF_TRIGGER_LOW | IRQF_ONESHOT), dev_name(chip->dev), + chip); if (ret < 0) return dev_err_probe(&client->dev, ret, "IRQ initialization failed\n"); @@ -540,6 +528,32 @@ static int max_tcpci_probe(struct i2c_client *client) return 0; } +#ifdef CONFIG_PM_SLEEP +static int max_tcpci_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + int ret = 0; + + if (client->irq && device_may_wakeup(dev)) + ret = disable_irq_wake(client->irq); + + return ret; +} + +static int max_tcpci_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + int ret = 0; + + if (client->irq && device_may_wakeup(dev)) + ret = enable_irq_wake(client->irq); + + return ret; +} +#endif /* CONFIG_PM_SLEEP */ + +static SIMPLE_DEV_PM_OPS(max_tcpci_pm_ops, max_tcpci_suspend, max_tcpci_resume); + static const struct i2c_device_id max_tcpci_id[] = { { "maxtcpc" }, { } @@ -558,6 +572,7 @@ static struct i2c_driver max_tcpci_i2c_driver = { .driver = { .name = "maxtcpc", .of_match_table = of_match_ptr(max_tcpci_of_match), + .pm = &max_tcpci_pm_ops, }, .probe = max_tcpci_probe, .id_table = max_tcpci_id, diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 48ddf2770461..43e3dac5129f 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -21,6 +21,7 @@ #include <linux/seq_file.h> #include <linux/slab.h> #include <linux/spinlock.h> +#include <linux/string_choices.h> #include <linux/usb.h> #include <linux/usb/pd.h> #include <linux/usb/pd_ado.h> @@ -568,6 +569,15 @@ struct pd_rx_event { enum tcpm_transmit_type rx_sop_type; }; +struct altmode_vdm_event { + struct kthread_work work; + struct tcpm_port *port; + u32 header; + u32 *data; + int cnt; + enum tcpm_transmit_type tx_sop_type; +}; + static const char * const pd_rev[] = { [PD_REV10] = "rev1", [PD_REV20] = "rev2", @@ -865,8 +875,8 @@ static int tcpm_enable_auto_vbus_discharge(struct tcpm_port *port, bool enable) if (port->tcpc->enable_auto_vbus_discharge) { ret = port->tcpc->enable_auto_vbus_discharge(port->tcpc, enable); - tcpm_log_force(port, "%s vbus discharge ret:%d", enable ? "enable" : "disable", - ret); + tcpm_log_force(port, "%s vbus discharge ret:%d", + str_enable_disable(enable), ret); if (!ret) port->auto_vbus_discharge_enabled = enable; } @@ -1123,7 +1133,7 @@ static int tcpm_set_attached_state(struct tcpm_port *port, bool attached) port->data_role); } -static int tcpm_set_roles(struct tcpm_port *port, bool attached, +static int tcpm_set_roles(struct tcpm_port *port, bool attached, int state, enum typec_role role, enum typec_data_role data) { enum typec_orientation orientation; @@ -1160,7 +1170,7 @@ static int tcpm_set_roles(struct tcpm_port *port, bool attached, } } - ret = tcpm_mux_set(port, TYPEC_STATE_USB, usb_role, orientation); + ret = tcpm_mux_set(port, state, usb_role, orientation); if (ret < 0) return ret; @@ -1562,18 +1572,68 @@ static void tcpm_queue_vdm(struct tcpm_port *port, const u32 header, mod_vdm_delayed_work(port, 0); } -static void tcpm_queue_vdm_unlocked(struct tcpm_port *port, const u32 header, - const u32 *data, int cnt, enum tcpm_transmit_type tx_sop_type) +static void tcpm_queue_vdm_work(struct kthread_work *work) { - if (port->state != SRC_READY && port->state != SNK_READY && - port->state != SRC_VDM_IDENTITY_REQUEST) - return; + struct altmode_vdm_event *event = container_of(work, + struct altmode_vdm_event, + work); + struct tcpm_port *port = event->port; mutex_lock(&port->lock); - tcpm_queue_vdm(port, header, data, cnt, tx_sop_type); + if (port->state != SRC_READY && port->state != SNK_READY && + port->state != SRC_VDM_IDENTITY_REQUEST) { + tcpm_log_force(port, "dropping altmode_vdm_event"); + goto port_unlock; + } + + tcpm_queue_vdm(port, event->header, event->data, event->cnt, event->tx_sop_type); + +port_unlock: + kfree(event->data); + kfree(event); mutex_unlock(&port->lock); } +static int tcpm_queue_vdm_unlocked(struct tcpm_port *port, const u32 header, + const u32 *data, int cnt, enum tcpm_transmit_type tx_sop_type) +{ + struct altmode_vdm_event *event; + u32 *data_cpy; + int ret = -ENOMEM; + + event = kzalloc(sizeof(*event), GFP_KERNEL); + if (!event) + goto err_event; + + data_cpy = kcalloc(cnt, sizeof(u32), GFP_KERNEL); + if (!data_cpy) + goto err_data; + + kthread_init_work(&event->work, tcpm_queue_vdm_work); + event->port = port; + event->header = header; + memcpy(data_cpy, data, sizeof(u32) * cnt); + event->data = data_cpy; + event->cnt = cnt; + event->tx_sop_type = tx_sop_type; + + ret = kthread_queue_work(port->wq, &event->work); + if (!ret) { + ret = -EBUSY; + goto err_queue; + } + + return 0; + +err_queue: + kfree(data_cpy); +err_data: + kfree(event); +err_event: + tcpm_log_force(port, "failed to queue altmode vdm, err:%d", ret); + return ret; +} + static void svdm_consume_identity(struct tcpm_port *port, const u32 *p, int cnt) { u32 vdo = p[VDO_INDEX_IDH]; @@ -2784,8 +2844,7 @@ static int tcpm_altmode_enter(struct typec_altmode *altmode, u32 *vdo) header = VDO(altmode->svid, vdo ? 2 : 1, svdm_version, CMD_ENTER_MODE); header |= VDO_OPOS(altmode->mode); - tcpm_queue_vdm_unlocked(port, header, vdo, vdo ? 1 : 0, TCPC_TX_SOP); - return 0; + return tcpm_queue_vdm_unlocked(port, header, vdo, vdo ? 1 : 0, TCPC_TX_SOP); } static int tcpm_altmode_exit(struct typec_altmode *altmode) @@ -2801,8 +2860,7 @@ static int tcpm_altmode_exit(struct typec_altmode *altmode) header = VDO(altmode->svid, 1, svdm_version, CMD_EXIT_MODE); header |= VDO_OPOS(altmode->mode); - tcpm_queue_vdm_unlocked(port, header, NULL, 0, TCPC_TX_SOP); - return 0; + return tcpm_queue_vdm_unlocked(port, header, NULL, 0, TCPC_TX_SOP); } static int tcpm_altmode_vdm(struct typec_altmode *altmode, @@ -2810,9 +2868,7 @@ static int tcpm_altmode_vdm(struct typec_altmode *altmode, { struct tcpm_port *port = typec_altmode_get_drvdata(altmode); - tcpm_queue_vdm_unlocked(port, header, data, count - 1, TCPC_TX_SOP); - - return 0; + return tcpm_queue_vdm_unlocked(port, header, data, count - 1, TCPC_TX_SOP); } static const struct typec_altmode_ops tcpm_altmode_ops = { @@ -2836,8 +2892,7 @@ static int tcpm_cable_altmode_enter(struct typec_altmode *altmode, enum typec_pl header = VDO(altmode->svid, vdo ? 2 : 1, svdm_version, CMD_ENTER_MODE); header |= VDO_OPOS(altmode->mode); - tcpm_queue_vdm_unlocked(port, header, vdo, vdo ? 1 : 0, TCPC_TX_SOP_PRIME); - return 0; + return tcpm_queue_vdm_unlocked(port, header, vdo, vdo ? 1 : 0, TCPC_TX_SOP_PRIME); } static int tcpm_cable_altmode_exit(struct typec_altmode *altmode, enum typec_plug_index sop) @@ -2853,8 +2908,7 @@ static int tcpm_cable_altmode_exit(struct typec_altmode *altmode, enum typec_plu header = VDO(altmode->svid, 1, svdm_version, CMD_EXIT_MODE); header |= VDO_OPOS(altmode->mode); - tcpm_queue_vdm_unlocked(port, header, NULL, 0, TCPC_TX_SOP_PRIME); - return 0; + return tcpm_queue_vdm_unlocked(port, header, NULL, 0, TCPC_TX_SOP_PRIME); } static int tcpm_cable_altmode_vdm(struct typec_altmode *altmode, enum typec_plug_index sop, @@ -2862,9 +2916,7 @@ static int tcpm_cable_altmode_vdm(struct typec_altmode *altmode, enum typec_plug { struct tcpm_port *port = typec_altmode_get_drvdata(altmode); - tcpm_queue_vdm_unlocked(port, header, data, count - 1, TCPC_TX_SOP_PRIME); - - return 0; + return tcpm_queue_vdm_unlocked(port, header, data, count - 1, TCPC_TX_SOP_PRIME); } static const struct typec_cable_ops tcpm_cable_ops = { @@ -4288,16 +4340,6 @@ static int tcpm_src_attach(struct tcpm_port *port) tcpm_enable_auto_vbus_discharge(port, true); - ret = tcpm_set_roles(port, true, TYPEC_SOURCE, tcpm_data_role_for_source(port)); - if (ret < 0) - return ret; - - if (port->pd_supported) { - ret = port->tcpc->set_pd_rx(port->tcpc, true); - if (ret < 0) - goto out_disable_mux; - } - /* * USB Type-C specification, version 1.2, * chapter 4.5.2.2.8.1 (Attached.SRC Requirements) @@ -4307,13 +4349,24 @@ static int tcpm_src_attach(struct tcpm_port *port) (polarity == TYPEC_POLARITY_CC2 && port->cc1 == TYPEC_CC_RA)) { ret = tcpm_set_vconn(port, true); if (ret < 0) - goto out_disable_pd; + return ret; } ret = tcpm_set_vbus(port, true); if (ret < 0) goto out_disable_vconn; + ret = tcpm_set_roles(port, true, TYPEC_STATE_USB, TYPEC_SOURCE, + tcpm_data_role_for_source(port)); + if (ret < 0) + goto out_disable_vbus; + + if (port->pd_supported) { + ret = port->tcpc->set_pd_rx(port->tcpc, true); + if (ret < 0) + goto out_disable_mux; + } + port->pd_capable = false; port->partner = NULL; @@ -4324,14 +4377,14 @@ static int tcpm_src_attach(struct tcpm_port *port) return 0; -out_disable_vconn: - tcpm_set_vconn(port, false); -out_disable_pd: - if (port->pd_supported) - port->tcpc->set_pd_rx(port->tcpc, false); out_disable_mux: tcpm_mux_set(port, TYPEC_STATE_SAFE, USB_ROLE_NONE, TYPEC_ORIENTATION_NONE); +out_disable_vbus: + tcpm_set_vbus(port, false); +out_disable_vconn: + tcpm_set_vconn(port, false); + return ret; } @@ -4377,7 +4430,7 @@ static void tcpm_unregister_altmodes(struct tcpm_port *port) static void tcpm_set_partner_usb_comm_capable(struct tcpm_port *port, bool capable) { - tcpm_log(port, "Setting usb_comm capable %s", capable ? "true" : "false"); + tcpm_log(port, "Setting usb_comm capable %s", str_true_false(capable)); if (port->tcpc->set_partner_usb_comm_capable) port->tcpc->set_partner_usb_comm_capable(port->tcpc, capable); @@ -4463,7 +4516,8 @@ static int tcpm_snk_attach(struct tcpm_port *port) tcpm_enable_auto_vbus_discharge(port, true); - ret = tcpm_set_roles(port, true, TYPEC_SINK, tcpm_data_role_for_sink(port)); + ret = tcpm_set_roles(port, true, TYPEC_STATE_USB, + TYPEC_SINK, tcpm_data_role_for_sink(port)); if (ret < 0) return ret; @@ -4486,12 +4540,24 @@ static void tcpm_snk_detach(struct tcpm_port *port) static int tcpm_acc_attach(struct tcpm_port *port) { int ret; + enum typec_role role; + enum typec_data_role data; + int state = TYPEC_STATE_USB; if (port->attached) return 0; - ret = tcpm_set_roles(port, true, TYPEC_SOURCE, - tcpm_data_role_for_source(port)); + role = tcpm_port_is_sink(port) ? TYPEC_SINK : TYPEC_SOURCE; + data = tcpm_port_is_sink(port) ? tcpm_data_role_for_sink(port) + : tcpm_data_role_for_source(port); + + if (tcpm_port_is_audio(port)) + state = TYPEC_MODE_AUDIO; + + if (tcpm_port_is_debug(port)) + state = TYPEC_MODE_DEBUG; + + ret = tcpm_set_roles(port, true, state, role, data); if (ret < 0) return ret; @@ -5250,7 +5316,7 @@ static void run_state_machine(struct tcpm_port *port) */ tcpm_set_vconn(port, false); tcpm_set_vbus(port, false); - tcpm_set_roles(port, port->self_powered, TYPEC_SOURCE, + tcpm_set_roles(port, port->self_powered, TYPEC_STATE_USB, TYPEC_SOURCE, tcpm_data_role_for_source(port)); /* * If tcpc fails to notify vbus off, TCPM will wait for PD_T_SAFE_0V + @@ -5282,7 +5348,7 @@ static void run_state_machine(struct tcpm_port *port) tcpm_set_vconn(port, false); if (port->pd_capable) tcpm_set_charge(port, false); - tcpm_set_roles(port, port->self_powered, TYPEC_SINK, + tcpm_set_roles(port, port->self_powered, TYPEC_STATE_USB, TYPEC_SINK, tcpm_data_role_for_sink(port)); /* * VBUS may or may not toggle, depending on the adapter. @@ -5406,10 +5472,10 @@ static void run_state_machine(struct tcpm_port *port) case DR_SWAP_CHANGE_DR: tcpm_unregister_altmodes(port); if (port->data_role == TYPEC_HOST) - tcpm_set_roles(port, true, port->pwr_role, + tcpm_set_roles(port, true, TYPEC_STATE_USB, port->pwr_role, TYPEC_DEVICE); else - tcpm_set_roles(port, true, port->pwr_role, + tcpm_set_roles(port, true, TYPEC_STATE_USB, port->pwr_role, TYPEC_HOST); tcpm_ams_finish(port); tcpm_set_state(port, ready_state(port), 0); @@ -5515,8 +5581,7 @@ static void run_state_machine(struct tcpm_port *port) tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, port->pps_data.active, 0); tcpm_set_charge(port, false); - tcpm_set_state(port, hard_reset_state(port), - PD_T_PS_SOURCE_OFF); + tcpm_set_state(port, ERROR_RECOVERY, PD_T_PS_SOURCE_OFF); break; case PR_SWAP_SNK_SRC_SOURCE_ON: tcpm_enable_auto_vbus_discharge(port, true); @@ -5890,7 +5955,7 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1, case SNK_TRY_WAIT_DEBOUNCE: if (!tcpm_port_is_sink(port)) { port->max_wait = 0; - tcpm_set_state(port, SRC_TRYWAIT, 0); + tcpm_set_state(port, SRC_TRYWAIT, PD_T_PD_DEBOUNCE); } break; case SRC_TRY_WAIT: diff --git a/drivers/usb/typec/ucsi/displayport.c b/drivers/usb/typec/ucsi/displayport.c index 420af5139c70..8aae80b457d7 100644 --- a/drivers/usb/typec/ucsi/displayport.c +++ b/drivers/usb/typec/ucsi/displayport.c @@ -54,7 +54,8 @@ static int ucsi_displayport_enter(struct typec_altmode *alt, u32 *vdo) u8 cur = 0; int ret; - mutex_lock(&dp->con->lock); + if (!ucsi_con_mutex_lock(dp->con)) + return -ENOTCONN; if (!dp->override && dp->initialized) { const struct typec_altmode *p = typec_altmode_get_partner(alt); @@ -100,7 +101,7 @@ static int ucsi_displayport_enter(struct typec_altmode *alt, u32 *vdo) schedule_work(&dp->work); ret = 0; err_unlock: - mutex_unlock(&dp->con->lock); + ucsi_con_mutex_unlock(dp->con); return ret; } @@ -112,7 +113,8 @@ static int ucsi_displayport_exit(struct typec_altmode *alt) u64 command; int ret = 0; - mutex_lock(&dp->con->lock); + if (!ucsi_con_mutex_lock(dp->con)) + return -ENOTCONN; if (!dp->override) { const struct typec_altmode *p = typec_altmode_get_partner(alt); @@ -144,7 +146,7 @@ static int ucsi_displayport_exit(struct typec_altmode *alt) schedule_work(&dp->work); out_unlock: - mutex_unlock(&dp->con->lock); + ucsi_con_mutex_unlock(dp->con); return ret; } @@ -202,20 +204,21 @@ static int ucsi_displayport_vdm(struct typec_altmode *alt, int cmd = PD_VDO_CMD(header); int svdm_version; - mutex_lock(&dp->con->lock); + if (!ucsi_con_mutex_lock(dp->con)) + return -ENOTCONN; if (!dp->override && dp->initialized) { const struct typec_altmode *p = typec_altmode_get_partner(alt); dev_warn(&p->dev, "firmware doesn't support alternate mode overriding\n"); - mutex_unlock(&dp->con->lock); + ucsi_con_mutex_unlock(dp->con); return -EOPNOTSUPP; } svdm_version = typec_altmode_get_svdm_version(alt); if (svdm_version < 0) { - mutex_unlock(&dp->con->lock); + ucsi_con_mutex_unlock(dp->con); return svdm_version; } @@ -259,7 +262,7 @@ static int ucsi_displayport_vdm(struct typec_altmode *alt, break; } - mutex_unlock(&dp->con->lock); + ucsi_con_mutex_unlock(dp->con); return 0; } @@ -296,6 +299,8 @@ void ucsi_displayport_remove_partner(struct typec_altmode *alt) if (!dp) return; + cancel_work_sync(&dp->work); + dp->data.conf = 0; dp->data.status = 0; dp->initialized = false; diff --git a/drivers/usb/typec/ucsi/psy.c b/drivers/usb/typec/ucsi/psy.c index 1c631c7855a9..9447a50716ec 100644 --- a/drivers/usb/typec/ucsi/psy.c +++ b/drivers/usb/typec/ucsi/psy.c @@ -164,7 +164,7 @@ static int ucsi_psy_get_current_max(struct ucsi_connector *con, case UCSI_CONSTAT_PWR_OPMODE_DEFAULT: /* UCSI can't tell b/w DCP/CDP or USB2/3x1/3x2 SDP chargers */ default: - val->intval = 0; + val->intval = UCSI_TYPEC_DEFAULT_CURRENT * 1000; break; } return 0; diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index 3f2bc13efa48..896e6bc1b5e2 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -1225,6 +1225,7 @@ static void ucsi_handle_connector_change(struct work_struct *work) if (con->status.change & UCSI_CONSTAT_POWER_DIR_CHANGE) { typec_set_pwr_role(con->port, role); + ucsi_port_psy_changed(con); /* Complete pending power role swap */ if (!completion_done(&con->complete)) @@ -1904,6 +1905,40 @@ void ucsi_set_drvdata(struct ucsi *ucsi, void *data) EXPORT_SYMBOL_GPL(ucsi_set_drvdata); /** + * ucsi_con_mutex_lock - Acquire the connector mutex + * @con: The connector interface to lock + * + * Returns true on success, false if the connector is disconnected + */ +bool ucsi_con_mutex_lock(struct ucsi_connector *con) +{ + bool mutex_locked = false; + bool connected = true; + + while (connected && !mutex_locked) { + mutex_locked = mutex_trylock(&con->lock) != 0; + connected = con->status.flags & UCSI_CONSTAT_CONNECTED; + if (connected && !mutex_locked) + msleep(20); + } + + connected = connected && con->partner; + if (!connected && mutex_locked) + mutex_unlock(&con->lock); + + return connected; +} + +/** + * ucsi_con_mutex_unlock - Release the connector mutex + * @con: The connector interface to unlock + */ +void ucsi_con_mutex_unlock(struct ucsi_connector *con) +{ + mutex_unlock(&con->lock); +} + +/** * ucsi_create - Allocate UCSI instance * @dev: Device interface to the PPM (Platform Policy Manager) * @ops: I/O routines diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h index a333006d3496..25cff9658966 100644 --- a/drivers/usb/typec/ucsi/ucsi.h +++ b/drivers/usb/typec/ucsi/ucsi.h @@ -91,6 +91,8 @@ int ucsi_register(struct ucsi *ucsi); void ucsi_unregister(struct ucsi *ucsi); void *ucsi_get_drvdata(struct ucsi *ucsi); void ucsi_set_drvdata(struct ucsi *ucsi, void *data); +bool ucsi_con_mutex_lock(struct ucsi_connector *con); +void ucsi_con_mutex_unlock(struct ucsi_connector *con); void ucsi_connector_change(struct ucsi *ucsi, u8 num); @@ -365,7 +367,7 @@ struct ucsi_debugfs_entry { u64 low; u64 high; } response; - u32 status; + int status; struct dentry *dentry; }; @@ -410,9 +412,10 @@ struct ucsi { #define UCSI_MAX_SVID 5 #define UCSI_MAX_ALTMODES (UCSI_MAX_SVID * 6) -#define UCSI_TYPEC_VSAFE5V 5000 -#define UCSI_TYPEC_1_5_CURRENT 1500 -#define UCSI_TYPEC_3_0_CURRENT 3000 +#define UCSI_TYPEC_VSAFE5V 5000 +#define UCSI_TYPEC_DEFAULT_CURRENT 100 +#define UCSI_TYPEC_1_5_CURRENT 1500 +#define UCSI_TYPEC_3_0_CURRENT 3000 struct ucsi_connector { int num; diff --git a/drivers/usb/typec/ucsi/ucsi_yoga_c630.c b/drivers/usb/typec/ucsi/ucsi_yoga_c630.c index 40e5da4fd2a4..080b6369a88c 100644 --- a/drivers/usb/typec/ucsi/ucsi_yoga_c630.c +++ b/drivers/usb/typec/ucsi/ucsi_yoga_c630.c @@ -133,17 +133,30 @@ static int yoga_c630_ucsi_probe(struct auxiliary_device *adev, ret = yoga_c630_ec_register_notify(ec, &uec->nb); if (ret) - return ret; + goto err_destroy; + + ret = ucsi_register(uec->ucsi); + if (ret) + goto err_unregister; + + return 0; - return ucsi_register(uec->ucsi); +err_unregister: + yoga_c630_ec_unregister_notify(uec->ec, &uec->nb); + +err_destroy: + ucsi_destroy(uec->ucsi); + + return ret; } static void yoga_c630_ucsi_remove(struct auxiliary_device *adev) { struct yoga_c630_ucsi *uec = auxiliary_get_drvdata(adev); - yoga_c630_ec_unregister_notify(uec->ec, &uec->nb); ucsi_unregister(uec->ucsi); + yoga_c630_ec_unregister_notify(uec->ec, &uec->nb); + ucsi_destroy(uec->ucsi); } static const struct auxiliary_device_id yoga_c630_ucsi_id_table[] = { |