diff options
Diffstat (limited to 'drivers/usb/otg')
| -rw-r--r-- | drivers/usb/otg/fsl_otg.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/otg/fsl_otg.c b/drivers/usb/otg/fsl_otg.c index 88d7d4b39f20..2395a639055c 100644 --- a/drivers/usb/otg/fsl_otg.c +++ b/drivers/usb/otg/fsl_otg.c @@ -792,6 +792,8 @@ irqreturn_t fsl_otg_isr_gpio(int irq, void *dev_id) * intact. It needs to have knowledge of some USB interrupts * such as port change. */ +extern int usb_event_is_otg_wakeup(void); +extern void usb_debounce_id_pin(void); irqreturn_t fsl_otg_isr(int irq, void *dev_id) { struct fsl_otg *fotg = (struct fsl_otg *)dev_id; @@ -800,6 +802,11 @@ irqreturn_t fsl_otg_isr(int irq, void *dev_id) irqreturn_t ret = IRQ_NONE; fsl_otg_clk_ctl(); + /* if this is an wakeup event, we should debounce ID pin + * so we can get the correct ID value(ID status) here */ + if (usb_event_is_otg_wakeup()) + usb_debounce_id_pin(); + otg_sc = le32_to_cpu(usb_dr_regs->otgsc); otg_int_src = otg_sc & OTGSC_INTSTS_MASK & (otg_sc >> 8); |