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authorLinus Torvalds <torvalds@linux-foundation.org>2020-11-01 09:53:38 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-11-01 09:53:38 -0800
commit9b5ff3c93cd323d26551a026c04929e1d2c1b68b (patch)
tree9dae084e0fa40587e1314d94a9737645a792dc44 /drivers/usb/class/cdc-acm.c
parent2d38c80d5bafecdd3bdb0d22b722afba8101ec1f (diff)
parent00c27a1df8ff5e99b383e2b4cbf947a4926fb534 (diff)
downloadlinux-9b5ff3c93cd323d26551a026c04929e1d2c1b68b.tar.gz
Merge tag 'usb-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH: "Here are a number of small bugfixes for reported issues in some USB drivers. They include: - typec bugfixes - xhci bugfixes and lockdep warning fixes - cdc-acm driver regression fix - kernel doc fixes - cdns3 driver bugfixes for a bunch of reported issues - other tiny USB driver fixes All have been in linux-next with no reported issues" * tag 'usb-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: cdns3: gadget: own the lock wrongly at the suspend routine usb: cdns3: Fix on-chip memory overflow issue usb: cdns3: gadget: suspicious implicit sign extension xhci: Don't create stream debugfs files with spinlock held. usb: xhci: Workaround for S3 issue on AMD SNPS 3.0 xHC xhci: Fix sizeof() mismatch usb: typec: stusb160x: fix signedness comparison issue with enum variables usb: typec: add missing MODULE_DEVICE_TABLE() to stusb160x USB: apple-mfi-fastcharge: don't probe unhandled devices usbcore: Check both id_table and match() when both available usb: host: ehci-tegra: Fix error handling in tegra_ehci_probe() usb: typec: stusb160x: fix an IS_ERR() vs NULL check in probe usb: typec: tcpm: reset hard_reset_count for any disconnect usb: cdc-acm: fix cooldown mechanism usb: host: fsl-mph-dr-of: check return of dma_set_mask() usb: fix kernel-doc markups usb: typec: stusb160x: fix some signedness bugs usb: cdns3: Variable 'length' set but not used
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
-rw-r--r--drivers/usb/class/cdc-acm.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 30ef946a8e1a..1e7568867910 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -508,6 +508,7 @@ static void acm_read_bulk_callback(struct urb *urb)
"%s - cooling babbling device\n", __func__);
usb_mark_last_busy(acm->dev);
set_bit(rb->index, &acm->urbs_in_error_delay);
+ set_bit(ACM_ERROR_DELAY, &acm->flags);
cooldown = true;
break;
default:
@@ -533,7 +534,7 @@ static void acm_read_bulk_callback(struct urb *urb)
if (stopped || stalled || cooldown) {
if (stalled)
- schedule_work(&acm->work);
+ schedule_delayed_work(&acm->dwork, 0);
else if (cooldown)
schedule_delayed_work(&acm->dwork, HZ / 2);
return;
@@ -563,13 +564,13 @@ static void acm_write_bulk(struct urb *urb)
acm_write_done(acm, wb);
spin_unlock_irqrestore(&acm->write_lock, flags);
set_bit(EVENT_TTY_WAKEUP, &acm->flags);
- schedule_work(&acm->work);
+ schedule_delayed_work(&acm->dwork, 0);
}
static void acm_softint(struct work_struct *work)
{
int i;
- struct acm *acm = container_of(work, struct acm, work);
+ struct acm *acm = container_of(work, struct acm, dwork.work);
if (test_bit(EVENT_RX_STALL, &acm->flags)) {
smp_mb(); /* against acm_suspend() */
@@ -585,7 +586,7 @@ static void acm_softint(struct work_struct *work)
if (test_and_clear_bit(ACM_ERROR_DELAY, &acm->flags)) {
for (i = 0; i < acm->rx_buflimit; i++)
if (test_and_clear_bit(i, &acm->urbs_in_error_delay))
- acm_submit_read_urb(acm, i, GFP_NOIO);
+ acm_submit_read_urb(acm, i, GFP_KERNEL);
}
if (test_and_clear_bit(EVENT_TTY_WAKEUP, &acm->flags))
@@ -1351,7 +1352,6 @@ made_compressed_probe:
acm->ctrlsize = ctrlsize;
acm->readsize = readsize;
acm->rx_buflimit = num_rx_buf;
- INIT_WORK(&acm->work, acm_softint);
INIT_DELAYED_WORK(&acm->dwork, acm_softint);
init_waitqueue_head(&acm->wioctl);
spin_lock_init(&acm->write_lock);
@@ -1561,7 +1561,6 @@ static void acm_disconnect(struct usb_interface *intf)
}
acm_kill_urbs(acm);
- cancel_work_sync(&acm->work);
cancel_delayed_work_sync(&acm->dwork);
tty_unregister_device(acm_tty_driver, acm->minor);
@@ -1604,7 +1603,6 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message)
return 0;
acm_kill_urbs(acm);
- cancel_work_sync(&acm->work);
cancel_delayed_work_sync(&acm->dwork);
acm->urbs_in_error_delay = 0;