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Diffstat (limited to 'drivers/usb/chipidea/core.c')
| -rw-r--r-- | drivers/usb/chipidea/core.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 9f6a52ed038e..0af0bf1c1ce6 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -539,6 +539,13 @@ static irqreturn_t ci_irq_handler(int irq, void *data) u32 otgsc = 0; if (ci->in_lpm) { + /* + * If we already have a wakeup irq pending there, + * let's just return to wait resume finished firstly. + */ + if (ci->wakeup_int) + return IRQ_HANDLED; + disable_irq_nosync(irq); ci->wakeup_int = true; pm_runtime_get(ci->dev); |