diff options
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-q.c | 27 | ||||
| -rw-r--r-- | drivers/usb/host/ehci.h | 2 | ||||
| -rw-r--r-- | drivers/usb/host/fhci-hcd.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/fhci-tds.c | 8 | ||||
| -rw-r--r-- | drivers/usb/host/fhci.h | 4 | ||||
| -rw-r--r-- | drivers/usb/host/imx21-hcd.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/isp116x.h | 2 | ||||
| -rw-r--r-- | drivers/usb/host/isp1362-hcd.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/isp1760-hcd.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/ohci-au1xxx.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/ohci-hcd.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/ohci-tmio.c | 8 | ||||
| -rw-r--r-- | drivers/usb/host/oxu210hp-hcd.c | 6 | ||||
| -rw-r--r-- | drivers/usb/host/pci-quirks.c | 117 | ||||
| -rw-r--r-- | drivers/usb/host/whci/qset.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 106 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-pci.c | 4 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 219 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.c | 27 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.h | 13 |
21 files changed, 343 insertions, 216 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 9483acdf2e9e..e0e0787b724b 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -402,7 +402,7 @@ config FHCI_DEBUG depends on USB_FHCI_HCD && DEBUG_FS help Say "y" to see some FHCI debug information and statistics - throught debugfs. + through debugfs. config USB_U132_HCD tristate "Elan U132 Adapter Host Controller" diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index fe99895fb098..42abd0f603bf 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -315,7 +315,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh) int stopped; unsigned count = 0; u8 state; - const __le32 halt = HALT_BIT(ehci); struct ehci_qh_hw *hw = qh->hw; if (unlikely (list_empty (&qh->qtd_list))) @@ -422,7 +421,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh) && !(qtd->hw_alt_next & EHCI_LIST_END(ehci))) { stopped = 1; - goto halt; } /* stop scanning when we reach qtds the hc is using */ @@ -456,16 +454,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh) */ ehci_clear_tt_buffer(ehci, qh, urb, token); } - - /* force halt for unlinked or blocked qh, so we'll - * patch the qh later and so that completions can't - * activate it while we "know" it's stopped. - */ - if ((halt & hw->hw_token) == 0) { -halt: - hw->hw_token |= halt; - wmb (); - } } /* unless we already know the urb's status, collect qtd status @@ -1259,24 +1247,27 @@ static void start_unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh) static void scan_async (struct ehci_hcd *ehci) { + bool stopped; struct ehci_qh *qh; enum ehci_timer_action action = TIMER_IO_WATCHDOG; ehci->stamp = ehci_readl(ehci, &ehci->regs->frame_index); timer_action_done (ehci, TIMER_ASYNC_SHRINK); rescan: + stopped = !HC_IS_RUNNING(ehci_to_hcd(ehci)->state); qh = ehci->async->qh_next.qh; if (likely (qh != NULL)) { do { /* clean any finished work for this qh */ - if (!list_empty (&qh->qtd_list) - && qh->stamp != ehci->stamp) { + if (!list_empty(&qh->qtd_list) && (stopped || + qh->stamp != ehci->stamp)) { int temp; /* unlinks could happen here; completion * reporting drops the lock. rescan using * the latest schedule, but don't rescan - * qhs we already finished (no looping). + * qhs we already finished (no looping) + * unless the controller is stopped. */ qh = qh_get (qh); qh->stamp = ehci->stamp; @@ -1297,9 +1288,9 @@ rescan: */ if (list_empty(&qh->qtd_list) && qh->qh_state == QH_STATE_LINKED) { - if (!ehci->reclaim - && ((ehci->stamp - qh->stamp) & 0x1fff) - >= (EHCI_SHRINK_FRAMES * 8)) + if (!ehci->reclaim && (stopped || + ((ehci->stamp - qh->stamp) & 0x1fff) + >= EHCI_SHRINK_FRAMES * 8)) start_unlink_async(ehci, qh); else action = TIMER_ASYNC_SHRINK; diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index f86d3fa20214..333ddc156919 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -644,7 +644,7 @@ static inline void ehci_writel(const struct ehci_hcd *ehci, /* * On certain ppc-44x SoC there is a HW issue, that could only worked around with * explicit suspend/operate of OHCI. This function hereby makes sense only on that arch. - * Other common bits are dependant on has_amcc_usb23 quirk flag. + * Other common bits are dependent on has_amcc_usb23 quirk flag. */ #ifdef CONFIG_44x static inline void set_ohci_hcfs(struct ehci_hcd *ehci, int operational) diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c index b84ff7e51896..19223c7449e1 100644 --- a/drivers/usb/host/fhci-hcd.c +++ b/drivers/usb/host/fhci-hcd.c @@ -401,7 +401,7 @@ static int fhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, /* 1 td fro setup,1 for ack */ size = 2; case PIPE_BULK: - /* one td for every 4096 bytes(can be upto 8k) */ + /* one td for every 4096 bytes(can be up to 8k) */ size += urb->transfer_buffer_length / 4096; /* ...add for any remaining bytes... */ if ((urb->transfer_buffer_length % 4096) != 0) diff --git a/drivers/usb/host/fhci-tds.c b/drivers/usb/host/fhci-tds.c index 38fe058fbe61..0ea577bfca2a 100644 --- a/drivers/usb/host/fhci-tds.c +++ b/drivers/usb/host/fhci-tds.c @@ -40,7 +40,7 @@ #define TD_RXER 0x0020 /* Rx error or not */ #define TD_NAK 0x0010 /* No ack. */ -#define TD_STAL 0x0008 /* Stall recieved */ +#define TD_STAL 0x0008 /* Stall received */ #define TD_TO 0x0004 /* time out */ #define TD_UN 0x0002 /* underrun */ #define TD_NO 0x0010 /* Rx Non Octet Aligned Packet */ @@ -274,7 +274,7 @@ void fhci_init_ep_registers(struct fhci_usb *usb, struct endpoint *ep, * It is also preparing the TDs for new frames. If the Tx interrupts * are disabled, the application should call that routine to get * confirmation about the submitted frames. Otherwise, the routine is - * called frome the interrupt service routine during the Tx interrupt. + * called from the interrupt service routine during the Tx interrupt. * In that case the application is informed by calling the application * specific 'fhci_transaction_confirm' routine */ @@ -337,7 +337,7 @@ static void fhci_td_transaction_confirm(struct fhci_usb *usb) pkt->status = USB_TD_RX_ER_NONOCT; else fhci_err(usb->fhci, "illegal error " - "occured\n"); + "occurred\n"); } else if (td_status & TD_NAK) pkt->status = USB_TD_TX_ER_NAK; else if (td_status & TD_TO) @@ -347,7 +347,7 @@ static void fhci_td_transaction_confirm(struct fhci_usb *usb) else if (td_status & TD_STAL) pkt->status = USB_TD_TX_ER_STALL; else - fhci_err(usb->fhci, "illegal error occured\n"); + fhci_err(usb->fhci, "illegal error occurred\n"); } else if ((extra_data & TD_TOK_IN) && pkt->len > td_length - CRC_SIZE) { pkt->status = USB_TD_RX_DATA_UNDERUN; diff --git a/drivers/usb/host/fhci.h b/drivers/usb/host/fhci.h index 71c3caaea4c1..dc6939a44a1a 100644 --- a/drivers/usb/host/fhci.h +++ b/drivers/usb/host/fhci.h @@ -82,7 +82,7 @@ #define USB_TD_RX_ER_NONOCT 0x40000000 /* Tx Non Octet Aligned Packet */ #define USB_TD_RX_ER_BITSTUFF 0x20000000 /* Frame Aborted-Received pkt */ #define USB_TD_RX_ER_CRC 0x10000000 /* CRC error */ -#define USB_TD_RX_ER_OVERUN 0x08000000 /* Over - run occured */ +#define USB_TD_RX_ER_OVERUN 0x08000000 /* Over - run occurred */ #define USB_TD_RX_ER_PID 0x04000000 /* wrong PID received */ #define USB_TD_RX_DATA_UNDERUN 0x02000000 /* shorter than expected */ #define USB_TD_RX_DATA_OVERUN 0x01000000 /* longer than expected */ @@ -363,7 +363,7 @@ struct ed { struct td { void *data; /* a pointer to the data buffer */ unsigned int len; /* length of the data to be submitted */ - unsigned int actual_len; /* actual bytes transfered on this td */ + unsigned int actual_len; /* actual bytes transferred on this td */ enum fhci_ta_type type; /* transaction type */ u8 toggle; /* toggle for next trans. within this TD */ u16 iso_index; /* ISO transaction index */ diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c index 2562e92e3178..af05718bdc73 100644 --- a/drivers/usb/host/imx21-hcd.c +++ b/drivers/usb/host/imx21-hcd.c @@ -1323,7 +1323,7 @@ static void process_etds(struct usb_hcd *hcd, struct imx21 *imx21, int sof) * (and hence no interrupt occurs). * This causes the transfer in question to hang. * The kludge below checks for this condition at each SOF and processes any - * blocked ETDs (after an arbitary 10 frame wait) + * blocked ETDs (after an arbitrary 10 frame wait) * * With a single active transfer the usbtest test suite will run for days * without the kludge. diff --git a/drivers/usb/host/isp116x.h b/drivers/usb/host/isp116x.h index 12db961acdfb..9a2c400e6090 100644 --- a/drivers/usb/host/isp116x.h +++ b/drivers/usb/host/isp116x.h @@ -13,7 +13,7 @@ /* Full speed: max # of bytes to transfer for a single urb at a time must be < 1024 && must be multiple of 64. - 832 allows transfering 4kiB within 5 frames. */ + 832 allows transferring 4kiB within 5 frames. */ #define MAX_TRANSFER_SIZE_FULLSPEED 832 /* Low speed: there is no reason to schedule in very big diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c index 662cd002adfc..f97570a847ca 100644 --- a/drivers/usb/host/isp1362-hcd.c +++ b/drivers/usb/host/isp1362-hcd.c @@ -546,7 +546,7 @@ static void postproc_ep(struct isp1362_hcd *isp1362_hcd, struct isp1362_ep *ep) if (usb_pipecontrol(urb->pipe)) { ep->nextpid = USB_PID_ACK; /* save the data underrun error code for later and - * procede with the status stage + * proceed with the status stage */ urb->actual_length += PTD_GET_COUNT(ptd); BUG_ON(urb->actual_length > urb->transfer_buffer_length); diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c index f50e84ac570a..795345ad45e6 100644 --- a/drivers/usb/host/isp1760-hcd.c +++ b/drivers/usb/host/isp1760-hcd.c @@ -295,7 +295,7 @@ static void alloc_mem(struct usb_hcd *hcd, struct isp1760_qtd *qtd) } dev_err(hcd->self.controller, - "%s: Can not allocate %lu bytes of memory\n" + "%s: Cannot allocate %zu bytes of memory\n" "Current memory map:\n", __func__, qtd->length); for (i = 0; i < BLOCKS; i++) { diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c index 17a6043c1fa0..958d985f2951 100644 --- a/drivers/usb/host/ohci-au1xxx.c +++ b/drivers/usb/host/ohci-au1xxx.c @@ -33,7 +33,7 @@ #ifdef __LITTLE_ENDIAN #define USBH_ENABLE_INIT (USBH_ENABLE_CE | USBH_ENABLE_E | USBH_ENABLE_C) -#elif __BIG_ENDIAN +#elif defined(__BIG_ENDIAN) #define USBH_ENABLE_INIT (USBH_ENABLE_CE | USBH_ENABLE_E | USBH_ENABLE_C | \ USBH_ENABLE_BE) #else diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index e7288639edb0..d55723514860 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -162,7 +162,7 @@ static int ohci_urb_enqueue ( // case PIPE_INTERRUPT: // case PIPE_BULK: default: - /* one TD for every 4096 Bytes (can be upto 8K) */ + /* one TD for every 4096 Bytes (can be up to 8K) */ size += urb->transfer_buffer_length / 4096; /* ... and for any remaining bytes ... */ if ((urb->transfer_buffer_length % 4096) != 0) diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index 8dabe8e31d8c..3558491dd87d 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -185,7 +185,7 @@ static struct platform_driver ohci_hcd_tmio_driver; static int __devinit ohci_hcd_tmio_drv_probe(struct platform_device *dev) { - struct mfd_cell *cell = dev->dev.platform_data; + const struct mfd_cell *cell = mfd_get_cell(dev); struct resource *regs = platform_get_resource(dev, IORESOURCE_MEM, 0); struct resource *config = platform_get_resource(dev, IORESOURCE_MEM, 1); struct resource *sram = platform_get_resource(dev, IORESOURCE_MEM, 2); @@ -274,7 +274,7 @@ static int __devexit ohci_hcd_tmio_drv_remove(struct platform_device *dev) { struct usb_hcd *hcd = platform_get_drvdata(dev); struct tmio_hcd *tmio = hcd_to_tmio(hcd); - struct mfd_cell *cell = dev->dev.platform_data; + const struct mfd_cell *cell = mfd_get_cell(dev); usb_remove_hcd(hcd); tmio_stop_hc(dev); @@ -293,7 +293,7 @@ static int __devexit ohci_hcd_tmio_drv_remove(struct platform_device *dev) #ifdef CONFIG_PM static int ohci_hcd_tmio_drv_suspend(struct platform_device *dev, pm_message_t state) { - struct mfd_cell *cell = dev->dev.platform_data; + const struct mfd_cell *cell = mfd_get_cell(dev); struct usb_hcd *hcd = platform_get_drvdata(dev); struct ohci_hcd *ohci = hcd_to_ohci(hcd); struct tmio_hcd *tmio = hcd_to_tmio(hcd); @@ -326,7 +326,7 @@ static int ohci_hcd_tmio_drv_suspend(struct platform_device *dev, pm_message_t s static int ohci_hcd_tmio_drv_resume(struct platform_device *dev) { - struct mfd_cell *cell = dev->dev.platform_data; + const struct mfd_cell *cell = mfd_get_cell(dev); struct usb_hcd *hcd = platform_get_drvdata(dev); struct ohci_hcd *ohci = hcd_to_ohci(hcd); struct tmio_hcd *tmio = hcd_to_tmio(hcd); diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index 38193f4e980e..4a771f6cc822 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -2879,7 +2879,7 @@ static int oxu_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, /* Ok, we have more job to do! :) */ for (i = 0; i < num - 1; i++) { - /* Get free micro URB poll till a free urb is recieved */ + /* Get free micro URB poll till a free urb is received */ do { murb = (struct urb *) oxu_murb_alloc(oxu); @@ -2911,7 +2911,7 @@ static int oxu_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, /* Last urb requires special handling */ - /* Get free micro URB poll till a free urb is recieved */ + /* Get free micro URB poll till a free urb is received */ do { murb = (struct urb *) oxu_murb_alloc(oxu); if (!murb) @@ -3832,7 +3832,7 @@ static int oxu_drv_probe(struct platform_device *pdev) return -EBUSY; } - ret = set_irq_type(irq, IRQF_TRIGGER_FALLING); + ret = irq_set_irq_type(irq, IRQF_TRIGGER_FALLING); if (ret) { dev_err(&pdev->dev, "error setting irq type\n"); ret = -EFAULT; diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 1d586d4f7b56..9b166d70ae91 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -84,65 +84,92 @@ int usb_amd_find_chipset_info(void) { u8 rev = 0; unsigned long flags; + struct amd_chipset_info info; + int ret; spin_lock_irqsave(&amd_lock, flags); - amd_chipset.probe_count++; /* probe only once */ - if (amd_chipset.probe_count > 1) { + if (amd_chipset.probe_count > 0) { + amd_chipset.probe_count++; spin_unlock_irqrestore(&amd_lock, flags); return amd_chipset.probe_result; } + memset(&info, 0, sizeof(info)); + spin_unlock_irqrestore(&amd_lock, flags); - amd_chipset.smbus_dev = pci_get_device(PCI_VENDOR_ID_ATI, 0x4385, NULL); - if (amd_chipset.smbus_dev) { - rev = amd_chipset.smbus_dev->revision; + info.smbus_dev = pci_get_device(PCI_VENDOR_ID_ATI, 0x4385, NULL); + if (info.smbus_dev) { + rev = info.smbus_dev->revision; if (rev >= 0x40) - amd_chipset.sb_type = 1; + info.sb_type = 1; else if (rev >= 0x30 && rev <= 0x3b) - amd_chipset.sb_type = 3; + info.sb_type = 3; } else { - amd_chipset.smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD, - 0x780b, NULL); - if (!amd_chipset.smbus_dev) { - spin_unlock_irqrestore(&amd_lock, flags); - return 0; + info.smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD, + 0x780b, NULL); + if (!info.smbus_dev) { + ret = 0; + goto commit; } - rev = amd_chipset.smbus_dev->revision; + + rev = info.smbus_dev->revision; if (rev >= 0x11 && rev <= 0x18) - amd_chipset.sb_type = 2; + info.sb_type = 2; } - if (amd_chipset.sb_type == 0) { - if (amd_chipset.smbus_dev) { - pci_dev_put(amd_chipset.smbus_dev); - amd_chipset.smbus_dev = NULL; + if (info.sb_type == 0) { + if (info.smbus_dev) { + pci_dev_put(info.smbus_dev); + info.smbus_dev = NULL; } - spin_unlock_irqrestore(&amd_lock, flags); - return 0; + ret = 0; + goto commit; } - amd_chipset.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x9601, NULL); - if (amd_chipset.nb_dev) { - amd_chipset.nb_type = 1; + info.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x9601, NULL); + if (info.nb_dev) { + info.nb_type = 1; } else { - amd_chipset.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, - 0x1510, NULL); - if (amd_chipset.nb_dev) { - amd_chipset.nb_type = 2; - } else { - amd_chipset.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, - 0x9600, NULL); - if (amd_chipset.nb_dev) - amd_chipset.nb_type = 3; + info.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x1510, NULL); + if (info.nb_dev) { + info.nb_type = 2; + } else { + info.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, + 0x9600, NULL); + if (info.nb_dev) + info.nb_type = 3; } } - amd_chipset.probe_result = 1; + ret = info.probe_result = 1; printk(KERN_DEBUG "QUIRK: Enable AMD PLL fix\n"); - spin_unlock_irqrestore(&amd_lock, flags); - return amd_chipset.probe_result; +commit: + + spin_lock_irqsave(&amd_lock, flags); + if (amd_chipset.probe_count > 0) { + /* race - someone else was faster - drop devices */ + + /* Mark that we where here */ + amd_chipset.probe_count++; + ret = amd_chipset.probe_result; + + spin_unlock_irqrestore(&amd_lock, flags); + + if (info.nb_dev) + pci_dev_put(info.nb_dev); + if (info.smbus_dev) + pci_dev_put(info.smbus_dev); + + } else { + /* no race - commit the result */ + info.probe_count++; + amd_chipset = info; + spin_unlock_irqrestore(&amd_lock, flags); + } + + return ret; } EXPORT_SYMBOL_GPL(usb_amd_find_chipset_info); @@ -284,6 +311,7 @@ EXPORT_SYMBOL_GPL(usb_amd_quirk_pll_enable); void usb_amd_dev_put(void) { + struct pci_dev *nb, *smbus; unsigned long flags; spin_lock_irqsave(&amd_lock, flags); @@ -294,20 +322,23 @@ void usb_amd_dev_put(void) return; } - if (amd_chipset.nb_dev) { - pci_dev_put(amd_chipset.nb_dev); - amd_chipset.nb_dev = NULL; - } - if (amd_chipset.smbus_dev) { - pci_dev_put(amd_chipset.smbus_dev); - amd_chipset.smbus_dev = NULL; - } + /* save them to pci_dev_put outside of spinlock */ + nb = amd_chipset.nb_dev; + smbus = amd_chipset.smbus_dev; + + amd_chipset.nb_dev = NULL; + amd_chipset.smbus_dev = NULL; amd_chipset.nb_type = 0; amd_chipset.sb_type = 0; amd_chipset.isoc_reqs = 0; amd_chipset.probe_result = 0; spin_unlock_irqrestore(&amd_lock, flags); + + if (nb) + pci_dev_put(nb); + if (smbus) + pci_dev_put(smbus); } EXPORT_SYMBOL_GPL(usb_amd_dev_put); diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c index dc0ab8382f5d..d6e175428618 100644 --- a/drivers/usb/host/whci/qset.c +++ b/drivers/usb/host/whci/qset.c @@ -739,7 +739,7 @@ static int get_urb_status_from_qtd(struct urb *urb, u32 status) * process_inactive_qtd - process an inactive (but not halted) qTD. * * Update the urb with the transfer bytes from the qTD, if the urb is - * completely transfered or (in the case of an IN only) the LPF is + * completely transferred or (in the case of an IN only) the LPF is * set, then the transfer is complete and the urb should be returned * to the system. */ diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index a003e79aacdc..627f3438028c 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -846,7 +846,7 @@ static u32 xhci_find_real_port_number(struct xhci_hcd *xhci, * Skip ports that don't have known speeds, or have duplicate * Extended Capabilities port speed entries. */ - if (port_speed == 0 || port_speed == -1) + if (port_speed == 0 || port_speed == DUPLICATE_ENTRY) continue; /* @@ -974,6 +974,47 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud return 0; } +/* + * Convert interval expressed as 2^(bInterval - 1) == interval into + * straight exponent value 2^n == interval. + * + */ +static unsigned int xhci_parse_exponent_interval(struct usb_device *udev, + struct usb_host_endpoint *ep) +{ + unsigned int interval; + + interval = clamp_val(ep->desc.bInterval, 1, 16) - 1; + if (interval != ep->desc.bInterval - 1) + dev_warn(&udev->dev, + "ep %#x - rounding interval to %d microframes\n", + ep->desc.bEndpointAddress, + 1 << interval); + + return interval; +} + +/* + * Convert bInterval expressed in frames (in 1-255 range) to exponent of + * microframes, rounded down to nearest power of 2. + */ +static unsigned int xhci_parse_frame_interval(struct usb_device *udev, + struct usb_host_endpoint *ep) +{ + unsigned int interval; + + interval = fls(8 * ep->desc.bInterval) - 1; + interval = clamp_val(interval, 3, 10); + if ((1 << interval) != 8 * ep->desc.bInterval) + dev_warn(&udev->dev, + "ep %#x - rounding interval to %d microframes, ep desc says %d microframes\n", + ep->desc.bEndpointAddress, + 1 << interval, + 8 * ep->desc.bInterval); + + return interval; +} + /* Return the polling or NAK interval. * * The polling interval is expressed in "microframes". If xHCI's Interval field @@ -982,7 +1023,7 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud * The NAK interval is one NAK per 1 to 255 microframes, or no NAKs if interval * is set to 0. */ -static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev, +static unsigned int xhci_get_endpoint_interval(struct usb_device *udev, struct usb_host_endpoint *ep) { unsigned int interval = 0; @@ -991,45 +1032,38 @@ static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev, case USB_SPEED_HIGH: /* Max NAK rate */ if (usb_endpoint_xfer_control(&ep->desc) || - usb_endpoint_xfer_bulk(&ep->desc)) + usb_endpoint_xfer_bulk(&ep->desc)) { interval = ep->desc.bInterval; + break; + } /* Fall through - SS and HS isoc/int have same decoding */ + case USB_SPEED_SUPER: if (usb_endpoint_xfer_int(&ep->desc) || - usb_endpoint_xfer_isoc(&ep->desc)) { - if (ep->desc.bInterval == 0) - interval = 0; - else - interval = ep->desc.bInterval - 1; - if (interval > 15) - interval = 15; - if (interval != ep->desc.bInterval + 1) - dev_warn(&udev->dev, "ep %#x - rounding interval to %d microframes\n", - ep->desc.bEndpointAddress, 1 << interval); + usb_endpoint_xfer_isoc(&ep->desc)) { + interval = xhci_parse_exponent_interval(udev, ep); } break; - /* Convert bInterval (in 1-255 frames) to microframes and round down to - * nearest power of 2. - */ + case USB_SPEED_FULL: + if (usb_endpoint_xfer_int(&ep->desc)) { + interval = xhci_parse_exponent_interval(udev, ep); + break; + } + /* + * Fall through for isochronous endpoint interval decoding + * since it uses the same rules as low speed interrupt + * endpoints. + */ + case USB_SPEED_LOW: if (usb_endpoint_xfer_int(&ep->desc) || - usb_endpoint_xfer_isoc(&ep->desc)) { - interval = fls(8*ep->desc.bInterval) - 1; - if (interval > 10) - interval = 10; - if (interval < 3) - interval = 3; - if ((1 << interval) != 8*ep->desc.bInterval) - dev_warn(&udev->dev, - "ep %#x - rounding interval" - " to %d microframes, " - "ep desc says %d microframes\n", - ep->desc.bEndpointAddress, - 1 << interval, - 8*ep->desc.bInterval); + usb_endpoint_xfer_isoc(&ep->desc)) { + + interval = xhci_parse_frame_interval(udev, ep); } break; + default: BUG(); } @@ -1041,7 +1075,7 @@ static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev, * transaction opportunities per microframe", but that goes in the Max Burst * endpoint context field. */ -static inline u32 xhci_get_endpoint_mult(struct usb_device *udev, +static u32 xhci_get_endpoint_mult(struct usb_device *udev, struct usb_host_endpoint *ep) { if (udev->speed != USB_SPEED_SUPER || @@ -1050,7 +1084,7 @@ static inline u32 xhci_get_endpoint_mult(struct usb_device *udev, return ep->ss_ep_comp.bmAttributes; } -static inline u32 xhci_get_endpoint_type(struct usb_device *udev, +static u32 xhci_get_endpoint_type(struct usb_device *udev, struct usb_host_endpoint *ep) { int in; @@ -1084,7 +1118,7 @@ static inline u32 xhci_get_endpoint_type(struct usb_device *udev, * Basically, this is the maxpacket size, multiplied by the burst size * and mult size. */ -static inline u32 xhci_get_max_esit_payload(struct xhci_hcd *xhci, +static u32 xhci_get_max_esit_payload(struct xhci_hcd *xhci, struct usb_device *udev, struct usb_host_endpoint *ep) { @@ -1727,12 +1761,12 @@ static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports, * found a similar duplicate. */ if (xhci->port_array[i] != major_revision && - xhci->port_array[i] != (u8) -1) { + xhci->port_array[i] != DUPLICATE_ENTRY) { if (xhci->port_array[i] == 0x03) xhci->num_usb3_ports--; else xhci->num_usb2_ports--; - xhci->port_array[i] = (u8) -1; + xhci->port_array[i] = DUPLICATE_ENTRY; } /* FIXME: Should we disable the port? */ continue; @@ -1831,7 +1865,7 @@ static int xhci_setup_port_arrays(struct xhci_hcd *xhci, gfp_t flags) for (i = 0; i < num_ports; i++) { if (xhci->port_array[i] == 0x03 || xhci->port_array[i] == 0 || - xhci->port_array[i] == -1) + xhci->port_array[i] == DUPLICATE_ENTRY) continue; xhci->usb2_ports[port_index] = diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index ceea9f33491c..a10494c2f3c7 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -114,6 +114,10 @@ static int xhci_pci_setup(struct usb_hcd *hcd) if (pdev->vendor == PCI_VENDOR_ID_NEC) xhci->quirks |= XHCI_NEC_HOST; + /* AMD PLL quirk */ + if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info()) + xhci->quirks |= XHCI_AMD_PLL_FIX; + /* Make sure the HC is halted. */ retval = xhci_halt(xhci); if (retval) diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index cfc1ad92473f..7437386a9a50 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -93,7 +93,7 @@ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg, /* Does this link TRB point to the first segment in a ring, * or was the previous TRB the last TRB on the last segment in the ERST? */ -static inline bool last_trb_on_last_seg(struct xhci_hcd *xhci, struct xhci_ring *ring, +static bool last_trb_on_last_seg(struct xhci_hcd *xhci, struct xhci_ring *ring, struct xhci_segment *seg, union xhci_trb *trb) { if (ring == xhci->event_ring) @@ -107,7 +107,7 @@ static inline bool last_trb_on_last_seg(struct xhci_hcd *xhci, struct xhci_ring * segment? I.e. would the updated event TRB pointer step off the end of the * event seg? */ -static inline int last_trb(struct xhci_hcd *xhci, struct xhci_ring *ring, +static int last_trb(struct xhci_hcd *xhci, struct xhci_ring *ring, struct xhci_segment *seg, union xhci_trb *trb) { if (ring == xhci->event_ring) @@ -116,7 +116,7 @@ static inline int last_trb(struct xhci_hcd *xhci, struct xhci_ring *ring, return (trb->link.control & TRB_TYPE_BITMASK) == TRB_TYPE(TRB_LINK); } -static inline int enqueue_is_link_trb(struct xhci_ring *ring) +static int enqueue_is_link_trb(struct xhci_ring *ring) { struct xhci_link_trb *link = &ring->enqueue->link; return ((link->control & TRB_TYPE_BITMASK) == TRB_TYPE(TRB_LINK)); @@ -592,7 +592,7 @@ void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci, ep->ep_state |= SET_DEQ_PENDING; } -static inline void xhci_stop_watchdog_timer_in_irq(struct xhci_hcd *xhci, +static void xhci_stop_watchdog_timer_in_irq(struct xhci_hcd *xhci, struct xhci_virt_ep *ep) { ep->ep_state &= ~EP_HALT_PENDING; @@ -619,6 +619,13 @@ static void xhci_giveback_urb_in_irq(struct xhci_hcd *xhci, /* Only giveback urb when this is the last td in urb */ if (urb_priv->td_cnt == urb_priv->length) { + if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) { + xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs--; + if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs == 0) { + if (xhci->quirks & XHCI_AMD_PLL_FIX) + usb_amd_quirk_pll_enable(); + } + } usb_hcd_unlink_urb_from_ep(hcd, urb); xhci_dbg(xhci, "Giveback %s URB %p\n", adjective, urb); @@ -1209,7 +1216,7 @@ static unsigned int find_faked_portnum_from_hw_portnum(struct usb_hcd *hcd, * Skip ports that don't have known speeds, or have duplicate * Extended Capabilities port speed entries. */ - if (port_speed == 0 || port_speed == -1) + if (port_speed == 0 || port_speed == DUPLICATE_ENTRY) continue; /* @@ -1235,6 +1242,7 @@ static void handle_port_status(struct xhci_hcd *xhci, u8 major_revision; struct xhci_bus_state *bus_state; u32 __iomem **port_array; + bool bogus_port_status = false; /* Port status change events always have a successful completion code */ if (GET_COMP_CODE(event->generic.field[2]) != COMP_SUCCESS) { @@ -1247,6 +1255,7 @@ static void handle_port_status(struct xhci_hcd *xhci, max_ports = HCS_MAX_PORTS(xhci->hcs_params1); if ((port_id <= 0) || (port_id > max_ports)) { xhci_warn(xhci, "Invalid port id %d\n", port_id); + bogus_port_status = true; goto cleanup; } @@ -1258,12 +1267,14 @@ static void handle_port_status(struct xhci_hcd *xhci, xhci_warn(xhci, "Event for port %u not in " "Extended Capabilities, ignoring.\n", port_id); + bogus_port_status = true; goto cleanup; } - if (major_revision == (u8) -1) { + if (major_revision == DUPLICATE_ENTRY) { xhci_warn(xhci, "Event for port %u duplicated in" "Extended Capabilities, ignoring.\n", port_id); + bogus_port_status = true; goto cleanup; } @@ -1335,6 +1346,13 @@ cleanup: /* Update event ring dequeue pointer before dropping the lock */ inc_deq(xhci, xhci->event_ring, true); + /* Don't make the USB core poll the roothub if we got a bad port status + * change event. Besides, at that point we can't tell which roothub + * (USB 2.0 or USB 3.0) to kick. + */ + if (bogus_port_status) + return; + spin_unlock(&xhci->lock); /* Pass this up to the core */ usb_hcd_poll_rh_status(hcd); @@ -1554,8 +1572,17 @@ td_cleanup: urb_priv->td_cnt++; /* Giveback the urb when all the tds are completed */ - if (urb_priv->td_cnt == urb_priv->length) + if (urb_priv->td_cnt == urb_priv->length) { ret = 1; + if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) { + xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs--; + if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs + == 0) { + if (xhci->quirks & XHCI_AMD_PLL_FIX) + usb_amd_quirk_pll_enable(); + } + } + } } return ret; @@ -1675,71 +1702,52 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, struct urb_priv *urb_priv; int idx; int len = 0; - int skip_td = 0; union xhci_trb *cur_trb; struct xhci_segment *cur_seg; + struct usb_iso_packet_descriptor *frame; u32 trb_comp_code; + bool skip_td = false; ep_ring = xhci_dma_to_transfer_ring(ep, event->buffer); trb_comp_code = GET_COMP_CODE(event->transfer_len); urb_priv = td->urb->hcpriv; idx = urb_priv->td_cnt; + frame = &td->urb->iso_frame_desc[idx]; - if (ep->skip) { - /* The transfer is partly done */ - *status = -EXDEV; - td->urb->iso_frame_desc[idx].status = -EXDEV; - } else { - /* handle completion code */ - switch (trb_comp_code) { - case COMP_SUCCESS: - td->urb->iso_frame_desc[idx].status = 0; - xhci_dbg(xhci, "Successful isoc transfer!\n"); - break; - case COMP_SHORT_TX: - if (td->urb->transfer_flags & URB_SHORT_NOT_OK) - td->urb->iso_frame_desc[idx].status = - -EREMOTEIO; - else - td->urb->iso_frame_desc[idx].status = 0; - break; - case COMP_BW_OVER: - td->urb->iso_frame_desc[idx].status = -ECOMM; - skip_td = 1; - break; - case COMP_BUFF_OVER: - case COMP_BABBLE: - td->urb->iso_frame_desc[idx].status = -EOVERFLOW; - skip_td = 1; - break; - case COMP_STALL: - td->urb->iso_frame_desc[idx].status = -EPROTO; - skip_td = 1; - break; - case COMP_STOP: - case COMP_STOP_INVAL: - break; - default: - td->urb->iso_frame_desc[idx].status = -1; - break; - } - } - - /* calc actual length */ - if (ep->skip) { - td->urb->iso_frame_desc[idx].actual_length = 0; - /* Update ring dequeue pointer */ - while (ep_ring->dequeue != td->last_trb) - inc_deq(xhci, ep_ring, false); - inc_deq(xhci, ep_ring, false); - return finish_td(xhci, td, event_trb, event, ep, status, true); + /* handle completion code */ + switch (trb_comp_code) { + case COMP_SUCCESS: + frame->status = 0; + xhci_dbg(xhci, "Successful isoc transfer!\n"); + break; + case COMP_SHORT_TX: + frame->status = td->urb->transfer_flags & URB_SHORT_NOT_OK ? + -EREMOTEIO : 0; + break; + case COMP_BW_OVER: + frame->status = -ECOMM; + skip_td = true; + break; + case COMP_BUFF_OVER: + case COMP_BABBLE: + frame->status = -EOVERFLOW; + skip_td = true; + break; + case COMP_STALL: + frame->status = -EPROTO; + skip_td = true; + break; + case COMP_STOP: + case COMP_STOP_INVAL: + break; + default: + frame->status = -1; + break; } - if (trb_comp_code == COMP_SUCCESS || skip_td == 1) { - td->urb->iso_frame_desc[idx].actual_length = - td->urb->iso_frame_desc[idx].length; - td->urb->actual_length += - td->urb->iso_frame_desc[idx].length; + if (trb_comp_code == COMP_SUCCESS || skip_td) { + frame->actual_length = frame->length; + td->urb->actual_length += frame->length; } else { for (cur_trb = ep_ring->dequeue, cur_seg = ep_ring->deq_seg; cur_trb != event_trb; @@ -1755,7 +1763,7 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, TRB_LEN(event->transfer_len); if (trb_comp_code != COMP_STOP_INVAL) { - td->urb->iso_frame_desc[idx].actual_length = len; + frame->actual_length = len; td->urb->actual_length += len; } } @@ -1766,6 +1774,35 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, return finish_td(xhci, td, event_trb, event, ep, status, false); } +static int skip_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, + struct xhci_transfer_event *event, + struct xhci_virt_ep *ep, int *status) +{ + struct xhci_ring *ep_ring; + struct urb_priv *urb_priv; + struct usb_iso_packet_descriptor *frame; + int idx; + + ep_ring = xhci_dma_to_transfer_ring(ep, event->buffer); + urb_priv = td->urb->hcpriv; + idx = urb_priv->td_cnt; + frame = &td->urb->iso_frame_desc[idx]; + + /* The transfer is partly done */ + *status = -EXDEV; + frame->status = -EXDEV; + + /* calc actual length */ + frame->actual_length = 0; + + /* Update ring dequeue pointer */ + while (ep_ring->dequeue != td->last_trb) + inc_deq(xhci, ep_ring, false); + inc_deq(xhci, ep_ring, false); + + return finish_td(xhci, td, NULL, event, ep, status, true); +} + /* * Process bulk and interrupt tds, update urb status and actual_length. */ @@ -2024,36 +2061,42 @@ static int handle_tx_event(struct xhci_hcd *xhci, } td = list_entry(ep_ring->td_list.next, struct xhci_td, td_list); + /* Is this a TRB in the currently executing TD? */ event_seg = trb_in_td(ep_ring->deq_seg, ep_ring->dequeue, td->last_trb, event_dma); - if (event_seg && ep->skip) { + if (!event_seg) { + if (!ep->skip || + !usb_endpoint_xfer_isoc(&td->urb->ep->desc)) { + /* HC is busted, give up! */ + xhci_err(xhci, + "ERROR Transfer event TRB DMA ptr not " + "part of current TD\n"); + return -ESHUTDOWN; + } + + ret = skip_isoc_td(xhci, td, event, ep, &status); + goto cleanup; + } + + if (ep->skip) { xhci_dbg(xhci, "Found td. Clear skip flag.\n"); ep->skip = false; } - if (!event_seg && - (!ep->skip || !usb_endpoint_xfer_isoc(&td->urb->ep->desc))) { - /* HC is busted, give up! */ - xhci_err(xhci, "ERROR Transfer event TRB DMA ptr not " - "part of current TD\n"); - return -ESHUTDOWN; - } - if (event_seg) { - event_trb = &event_seg->trbs[(event_dma - - event_seg->dma) / sizeof(*event_trb)]; - /* - * No-op TRB should not trigger interrupts. - * If event_trb is a no-op TRB, it means the - * corresponding TD has been cancelled. Just ignore - * the TD. - */ - if ((event_trb->generic.field[3] & TRB_TYPE_BITMASK) - == TRB_TYPE(TRB_TR_NOOP)) { - xhci_dbg(xhci, "event_trb is a no-op TRB. " - "Skip it\n"); - goto cleanup; - } + event_trb = &event_seg->trbs[(event_dma - event_seg->dma) / + sizeof(*event_trb)]; + /* + * No-op TRB should not trigger interrupts. + * If event_trb is a no-op TRB, it means the + * corresponding TD has been cancelled. Just ignore + * the TD. + */ + if ((event_trb->generic.field[3] & TRB_TYPE_BITMASK) + == TRB_TYPE(TRB_TR_NOOP)) { + xhci_dbg(xhci, + "event_trb is a no-op TRB. Skip it\n"); + goto cleanup; } /* Now update the urb's actual_length and give back to @@ -3126,6 +3169,12 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, } } + if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs == 0) { + if (xhci->quirks & XHCI_AMD_PLL_FIX) + usb_amd_quirk_pll_disable(); + } + xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs++; + giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id, start_cycle, start_trb); return 0; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 9a3645fd759b..81b976e45880 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -550,6 +550,9 @@ void xhci_stop(struct usb_hcd *hcd) del_timer_sync(&xhci->event_ring_timer); #endif + if (xhci->quirks & XHCI_AMD_PLL_FIX) + usb_amd_dev_put(); + xhci_dbg(xhci, "// Disabling event ring interrupts\n"); temp = xhci_readl(xhci, &xhci->op_regs->status); xhci_writel(xhci, temp & ~STS_EINT, &xhci->op_regs->status); @@ -741,7 +744,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) int retval; /* Wait a bit if either of the roothubs need to settle from the - * transistion into bus suspend. + * transition into bus suspend. */ if (time_before(jiffies, xhci->bus_state[0].next_statechange) || time_before(jiffies, @@ -771,7 +774,9 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) /* If restore operation fails, re-initialize the HC during resume */ if ((temp & STS_SRE) || hibernated) { - usb_root_hub_lost_power(hcd->self.root_hub); + /* Let the USB core know _both_ roothubs lost power. */ + usb_root_hub_lost_power(xhci->main_hcd->self.root_hub); + usb_root_hub_lost_power(xhci->shared_hcd->self.root_hub); xhci_dbg(xhci, "Stop HCD\n"); xhci_halt(xhci); @@ -2072,7 +2077,7 @@ int xhci_alloc_streams(struct usb_hcd *hcd, struct usb_device *udev, return -EINVAL; } vdev = xhci->devs[udev->slot_id]; - /* Mark each endpoint as being in transistion, so + /* Mark each endpoint as being in transition, so * xhci_urb_enqueue() will reject all URBs. */ for (i = 0; i < num_eps; i++) { @@ -2386,10 +2391,18 @@ int xhci_discover_or_reset_device(struct usb_hcd *hcd, struct usb_device *udev) /* Everything but endpoint 0 is disabled, so free or cache the rings. */ last_freed_endpoint = 1; for (i = 1; i < 31; ++i) { - if (!virt_dev->eps[i].ring) - continue; - xhci_free_or_cache_endpoint_ring(xhci, virt_dev, i); - last_freed_endpoint = i; + struct xhci_virt_ep *ep = &virt_dev->eps[i]; + + if (ep->ep_state & EP_HAS_STREAMS) { + xhci_free_stream_info(xhci, ep->stream_info); + ep->stream_info = NULL; + ep->ep_state &= ~EP_HAS_STREAMS; + } + + if (ep->ring) { + xhci_free_or_cache_endpoint_ring(xhci, virt_dev, i); + last_freed_endpoint = i; + } } xhci_dbg(xhci, "Output context after successful reset device cmd:\n"); xhci_dbg_ctx(xhci, virt_dev->out_ctx, last_freed_endpoint); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 711de253bc0f..ba1be6b7cc6d 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -30,6 +30,7 @@ /* Code sharing between pci-quirks and xhci hcd */ #include "xhci-ext-caps.h" +#include "pci-quirks.h" /* xHCI PCI Configuration Registers */ #define XHCI_SBRN_OFFSET (0x60) @@ -232,7 +233,7 @@ struct xhci_op_regs { * notification type that matches a bit set in this bit field. */ #define DEV_NOTE_MASK (0xffff) -#define ENABLE_DEV_NOTE(x) (1 << x) +#define ENABLE_DEV_NOTE(x) (1 << (x)) /* Most of the device notification types should only be used for debug. * SW does need to pay attention to function wake notifications. */ @@ -348,6 +349,9 @@ struct xhci_op_regs { /* Initiate a warm port reset - complete when PORT_WRC is '1' */ #define PORT_WR (1 << 31) +/* We mark duplicate entries with -1 */ +#define DUPLICATE_ENTRY ((u8)(-1)) + /* Port Power Management Status and Control - port_power_base bitmasks */ /* Inactivity timer value for transitions into U1, in microseconds. * Timeout can be up to 127us. 0xFF means an infinite timeout. @@ -601,11 +605,11 @@ struct xhci_ep_ctx { #define EP_STATE_STOPPED 3 #define EP_STATE_ERROR 4 /* Mult - Max number of burtst within an interval, in EP companion desc. */ -#define EP_MULT(p) ((p & 0x3) << 8) +#define EP_MULT(p) (((p) & 0x3) << 8) /* bits 10:14 are Max Primary Streams */ /* bit 15 is Linear Stream Array */ /* Interval - period between requests to an endpoint - 125u increments. */ -#define EP_INTERVAL(p) ((p & 0xff) << 16) +#define EP_INTERVAL(p) (((p) & 0xff) << 16) #define EP_INTERVAL_TO_UFRAMES(p) (1 << (((p) >> 16) & 0xff)) #define EP_MAXPSTREAMS_MASK (0x1f << 10) #define EP_MAXPSTREAMS(p) (((p) << 10) & EP_MAXPSTREAMS_MASK) @@ -873,7 +877,7 @@ struct xhci_transfer_event { #define COMP_CMD_ABORT 25 /* Stopped - transfer was terminated by a stop endpoint command */ #define COMP_STOP 26 -/* Same as COMP_EP_STOPPED, but the transfered length in the event is invalid */ +/* Same as COMP_EP_STOPPED, but the transferred length in the event is invalid */ #define COMP_STOP_INVAL 27 /* Control Abort Error - Debug Capability - control pipe aborted */ #define COMP_DBG_ABORT 28 @@ -1276,6 +1280,7 @@ struct xhci_hcd { #define XHCI_LINK_TRB_QUIRK (1 << 0) #define XHCI_RESET_EP_QUIRK (1 << 1) #define XHCI_NEC_HOST (1 << 2) +#define XHCI_AMD_PLL_FIX (1 << 3) /* There are two roothubs to keep track of bus suspend info for */ struct xhci_bus_state bus_state[2]; /* Is each xHCI roothub port a USB 3.0, USB 2.0, or USB 1.1 port? */ |