diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/cardreader/rtsx_usb.c | 16 | ||||
| -rw-r--r-- | drivers/misc/eeprom/ee1004.c | 4 | ||||
| -rw-r--r-- | drivers/misc/mei/bus.c | 6 | ||||
| -rw-r--r-- | drivers/misc/mei/platform-vsc.c | 5 | ||||
| -rw-r--r-- | drivers/misc/mei/vsc-tp.c | 34 | ||||
| -rw-r--r-- | drivers/misc/pci_endpoint_test.c | 6 | ||||
| -rw-r--r-- | drivers/misc/tps6594-pfsm.c | 3 | ||||
| -rw-r--r-- | drivers/misc/vmw_vmci/vmci_host.c | 11 |
8 files changed, 56 insertions, 29 deletions
diff --git a/drivers/misc/cardreader/rtsx_usb.c b/drivers/misc/cardreader/rtsx_usb.c index f150d8769f19..f546b050cb49 100644 --- a/drivers/misc/cardreader/rtsx_usb.c +++ b/drivers/misc/cardreader/rtsx_usb.c @@ -698,6 +698,12 @@ static void rtsx_usb_disconnect(struct usb_interface *intf) } #ifdef CONFIG_PM +static int rtsx_usb_resume_child(struct device *dev, void *data) +{ + pm_request_resume(dev); + return 0; +} + static int rtsx_usb_suspend(struct usb_interface *intf, pm_message_t message) { struct rtsx_ucr *ucr = @@ -713,8 +719,10 @@ static int rtsx_usb_suspend(struct usb_interface *intf, pm_message_t message) mutex_unlock(&ucr->dev_mutex); /* Defer the autosuspend if card exists */ - if (val & (SD_CD | MS_CD)) + if (val & (SD_CD | MS_CD)) { + device_for_each_child(&intf->dev, NULL, rtsx_usb_resume_child); return -EAGAIN; + } } else { /* There is an ongoing operation*/ return -EAGAIN; @@ -724,12 +732,6 @@ static int rtsx_usb_suspend(struct usb_interface *intf, pm_message_t message) return 0; } -static int rtsx_usb_resume_child(struct device *dev, void *data) -{ - pm_request_resume(dev); - return 0; -} - static int rtsx_usb_resume(struct usb_interface *intf) { device_for_each_child(&intf->dev, NULL, rtsx_usb_resume_child); diff --git a/drivers/misc/eeprom/ee1004.c b/drivers/misc/eeprom/ee1004.c index 89224d4af4a2..e13f9fdd9d7b 100644 --- a/drivers/misc/eeprom/ee1004.c +++ b/drivers/misc/eeprom/ee1004.c @@ -304,6 +304,10 @@ static int ee1004_probe(struct i2c_client *client) I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_READ_BYTE_DATA)) return -EPFNOSUPPORT; + err = i2c_smbus_read_byte(client); + if (err < 0) + return -ENODEV; + mutex_lock(&ee1004_bus_lock); err = ee1004_init_bus_data(client); diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 5576146ab13b..04f9a4b79d85 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -1353,10 +1353,16 @@ static void mei_dev_bus_put(struct mei_device *bus) static void mei_cl_bus_dev_release(struct device *dev) { struct mei_cl_device *cldev = to_mei_cl_device(dev); + struct mei_device *mdev = cldev->cl->dev; + struct mei_cl *cl; mei_cl_flush_queues(cldev->cl, NULL); mei_me_cl_put(cldev->me_cl); mei_dev_bus_put(cldev->bus); + + list_for_each_entry(cl, &mdev->file_list, link) + WARN_ON(cl == cldev->cl); + kfree(cldev->cl); kfree(cldev); } diff --git a/drivers/misc/mei/platform-vsc.c b/drivers/misc/mei/platform-vsc.c index 20a11b299bcd..ab80bd3271b2 100644 --- a/drivers/misc/mei/platform-vsc.c +++ b/drivers/misc/mei/platform-vsc.c @@ -379,6 +379,8 @@ err_stop: err_cancel: mei_cancel_work(mei_dev); + vsc_tp_register_event_cb(tp, NULL, NULL); + mei_disable_interrupts(mei_dev); return ret; @@ -387,11 +389,14 @@ err_cancel: static void mei_vsc_remove(struct platform_device *pdev) { struct mei_device *mei_dev = platform_get_drvdata(pdev); + struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev); pm_runtime_disable(mei_dev->dev); mei_stop(mei_dev); + vsc_tp_register_event_cb(hw->tp, NULL, NULL); + mei_disable_interrupts(mei_dev); mei_deregister(mei_dev); diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c index eb51fbe8d92f..27c921c752e9 100644 --- a/drivers/misc/mei/vsc-tp.c +++ b/drivers/misc/mei/vsc-tp.c @@ -71,17 +71,16 @@ struct vsc_tp { u32 seq; /* command buffer */ - void *tx_buf; - void *rx_buf; + struct vsc_tp_packet *tx_buf; + struct vsc_tp_packet *rx_buf; atomic_t assert_cnt; wait_queue_head_t xfer_wait; vsc_tp_event_cb_t event_notify; void *event_notify_context; - - /* used to protect command download */ - struct mutex mutex; + struct mutex event_notify_mutex; /* protects event_notify + context */ + struct mutex mutex; /* protects command download */ }; /* GPIO resources */ @@ -113,6 +112,8 @@ static irqreturn_t vsc_tp_thread_isr(int irq, void *data) { struct vsc_tp *tp = data; + guard(mutex)(&tp->event_notify_mutex); + if (tp->event_notify) tp->event_notify(tp->event_notify_context); @@ -164,7 +165,7 @@ static int vsc_tp_xfer_helper(struct vsc_tp *tp, struct vsc_tp_packet *pkt, { int ret, offset = 0, cpy_len, src_len, dst_len = sizeof(struct vsc_tp_packet_hdr); int next_xfer_len = VSC_TP_PACKET_SIZE(pkt) + VSC_TP_XFER_TIMEOUT_BYTES; - u8 *src, *crc_src, *rx_buf = tp->rx_buf; + u8 *src, *crc_src, *rx_buf = (u8 *)tp->rx_buf; int count_down = VSC_TP_MAX_XFER_COUNT; u32 recv_crc = 0, crc = ~0; struct vsc_tp_packet_hdr ack; @@ -324,7 +325,7 @@ int vsc_tp_rom_xfer(struct vsc_tp *tp, const void *obuf, void *ibuf, size_t len) guard(mutex)(&tp->mutex); /* rom xfer is big endian */ - cpu_to_be32_array(tp->tx_buf, obuf, words); + cpu_to_be32_array((__be32 *)tp->tx_buf, obuf, words); ret = read_poll_timeout(gpiod_get_value_cansleep, ret, !ret, VSC_TP_ROM_XFER_POLL_DELAY_US, @@ -340,7 +341,7 @@ int vsc_tp_rom_xfer(struct vsc_tp *tp, const void *obuf, void *ibuf, size_t len) return ret; if (ibuf) - be32_to_cpu_array(ibuf, tp->rx_buf, words); + be32_to_cpu_array(ibuf, (__be32 *)tp->rx_buf, words); return ret; } @@ -401,6 +402,8 @@ EXPORT_SYMBOL_NS_GPL(vsc_tp_need_read, VSC_TP); int vsc_tp_register_event_cb(struct vsc_tp *tp, vsc_tp_event_cb_t event_cb, void *context) { + guard(mutex)(&tp->event_notify_mutex); + tp->event_notify = event_cb; tp->event_notify_context = context; @@ -496,11 +499,11 @@ static int vsc_tp_probe(struct spi_device *spi) if (!tp) return -ENOMEM; - tp->tx_buf = devm_kzalloc(dev, VSC_TP_MAX_XFER_SIZE, GFP_KERNEL); + tp->tx_buf = devm_kzalloc(dev, sizeof(*tp->tx_buf), GFP_KERNEL); if (!tp->tx_buf) return -ENOMEM; - tp->rx_buf = devm_kzalloc(dev, VSC_TP_MAX_XFER_SIZE, GFP_KERNEL); + tp->rx_buf = devm_kzalloc(dev, sizeof(*tp->rx_buf), GFP_KERNEL); if (!tp->rx_buf) return -ENOMEM; @@ -532,6 +535,7 @@ static int vsc_tp_probe(struct spi_device *spi) return ret; mutex_init(&tp->mutex); + mutex_init(&tp->event_notify_mutex); /* only one child acpi device */ ret = acpi_dev_for_each_child(ACPI_COMPANION(dev), @@ -554,10 +558,11 @@ static int vsc_tp_probe(struct spi_device *spi) return 0; err_destroy_lock: - mutex_destroy(&tp->mutex); - free_irq(spi->irq, tp); + mutex_destroy(&tp->event_notify_mutex); + mutex_destroy(&tp->mutex); + return ret; } @@ -567,9 +572,10 @@ static void vsc_tp_remove(struct spi_device *spi) platform_device_unregister(tp->pdev); - mutex_destroy(&tp->mutex); - free_irq(spi->irq, tp); + + mutex_destroy(&tp->event_notify_mutex); + mutex_destroy(&tp->mutex); } static void vsc_tp_shutdown(struct spi_device *spi) diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c index e22afb420d09..f05256b7c208 100644 --- a/drivers/misc/pci_endpoint_test.c +++ b/drivers/misc/pci_endpoint_test.c @@ -287,11 +287,13 @@ static bool pci_endpoint_test_bar(struct pci_endpoint_test *test, void *read_buf __free(kfree) = NULL; struct pci_dev *pdev = test->pdev; + bar_size = pci_resource_len(pdev, barno); + if (!bar_size) + return -ENODATA; + if (!test->bar[barno]) return false; - bar_size = pci_resource_len(pdev, barno); - if (barno == test->test_reg_bar) bar_size = 0x4; diff --git a/drivers/misc/tps6594-pfsm.c b/drivers/misc/tps6594-pfsm.c index 9bcca1856bfe..db3d6a21a212 100644 --- a/drivers/misc/tps6594-pfsm.c +++ b/drivers/misc/tps6594-pfsm.c @@ -281,6 +281,9 @@ static int tps6594_pfsm_probe(struct platform_device *pdev) pfsm->miscdev.minor = MISC_DYNAMIC_MINOR; pfsm->miscdev.name = devm_kasprintf(dev, GFP_KERNEL, "pfsm-%ld-0x%02x", tps->chip_id, tps->reg); + if (!pfsm->miscdev.name) + return -ENOMEM; + pfsm->miscdev.fops = &tps6594_pfsm_fops; pfsm->miscdev.parent = dev->parent; pfsm->chip_id = tps->chip_id; diff --git a/drivers/misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c index abe79f6fd2a7..b64944367ac5 100644 --- a/drivers/misc/vmw_vmci/vmci_host.c +++ b/drivers/misc/vmw_vmci/vmci_host.c @@ -227,6 +227,7 @@ static int drv_cp_harray_to_user(void __user *user_buf_uva, static int vmci_host_setup_notify(struct vmci_ctx *context, unsigned long uva) { + struct page *page; int retval; if (context->notify_page) { @@ -243,13 +244,11 @@ static int vmci_host_setup_notify(struct vmci_ctx *context, /* * Lock physical page backing a given user VA. */ - retval = get_user_pages_fast(uva, 1, FOLL_WRITE, &context->notify_page); - if (retval != 1) { - context->notify_page = NULL; + retval = get_user_pages_fast(uva, 1, FOLL_WRITE, &page); + if (retval != 1) return VMCI_ERROR_GENERIC; - } - if (context->notify_page == NULL) - return VMCI_ERROR_UNAVAILABLE; + + context->notify_page = page; /* * Map the locked page and set up notify pointer. |