| Message ID | 1536074340-14840-3-git-send-email-loic.poulain@linaro.org |
|---|---|
| State | Accepted |
| Commit | 8b97d73c4d72a2abf58f8e49062a7ee1e5f1334e |
| Headers | show |
| Series | None | expand |
diff --git a/drivers/usb/chipidea/otg.h b/drivers/usb/chipidea/otg.h index 7e7428e..4f8b817 100644 --- a/drivers/usb/chipidea/otg.h +++ b/drivers/usb/chipidea/otg.h @@ -17,7 +17,8 @@ void ci_handle_vbus_change(struct ci_hdrc *ci); static inline void ci_otg_queue_work(struct ci_hdrc *ci) { disable_irq_nosync(ci->irq); - queue_work(ci->wq, &ci->work); + if (queue_work(ci->wq, &ci->work) == false) + enable_irq(ci->irq); } #endif /* __DRIVERS_USB_CHIPIDEA_OTG_H */
The ChipIdea IRQ is disabled before scheduling the otg work and re-enabled on otg work completion. However if the job is already scheduled we have to undo the effect of disable_irq int order to balance the IRQ disable-depth value. Fixes: be6b0c1bd0be ("usb: chipidea: using one inline function to cover queue work operations") Signed-off-by: Loic Poulain <loic.poulain@linaro.org> --- v2: v3: no change drivers/usb/chipidea/otg.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- 2.7.4