diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-09 10:05:01 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-09 10:05:01 +0200 |
| commit | a39b7ba35d78b19b90c640a9fa06a8407e40e85d (patch) | |
| tree | 16453f4603ccf3ac64412c2ded061f0943b39020 /drivers/usb/cdns3/cdnsp-ring.c | |
| parent | 1ca01c0805b7ea1442b435da56b6a145306009b7 (diff) | |
| parent | a9aecef198faae3240921b707bc09b602e966fce (diff) | |
Merge tag 'usb-v5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-linus
Peter writes:
Two bug fixes for cdns3 and cdnsp
* tag 'usb-v5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb:
usb: cdnsp: Fix deadlock issue in cdnsp_thread_irq_handler
usb: cdns3: Enable TDL_CHK only for OUT ep
Diffstat (limited to 'drivers/usb/cdns3/cdnsp-ring.c')
| -rw-r--r-- | drivers/usb/cdns3/cdnsp-ring.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c index 5f0513c96c04..68972746e363 100644 --- a/drivers/usb/cdns3/cdnsp-ring.c +++ b/drivers/usb/cdns3/cdnsp-ring.c @@ -1517,13 +1517,14 @@ irqreturn_t cdnsp_thread_irq_handler(int irq, void *data) { struct cdnsp_device *pdev = (struct cdnsp_device *)data; union cdnsp_trb *event_ring_deq; + unsigned long flags; int counter = 0; - spin_lock(&pdev->lock); + spin_lock_irqsave(&pdev->lock, flags); if (pdev->cdnsp_state & (CDNSP_STATE_HALTED | CDNSP_STATE_DYING)) { cdnsp_died(pdev); - spin_unlock(&pdev->lock); + spin_unlock_irqrestore(&pdev->lock, flags); return IRQ_HANDLED; } @@ -1539,7 +1540,7 @@ irqreturn_t cdnsp_thread_irq_handler(int irq, void *data) cdnsp_update_erst_dequeue(pdev, event_ring_deq, 1); - spin_unlock(&pdev->lock); + spin_unlock_irqrestore(&pdev->lock, flags); return IRQ_HANDLED; } |