diff options
| author | Peter Chen <peter.chen@freescale.com> | 2012-08-23 10:49:12 +0800 |
|---|---|---|
| committer | Peter Chen <peter.chen@freescale.com> | 2012-08-23 10:58:30 +0800 |
| commit | 76ff4e14a63bf7982e2301e61bea41fb7a9aea2d (patch) | |
| tree | a4a6dafbbe53eddc753817a97ee17197def97a1f /drivers | |
| parent | d25abd9d9818575d9bdef3c6056ba384dfab54a6 (diff) | |
ENGR00221164 usb: device: fix calling mutex at atomic environment
Move spin_unlock_irqrestore to avoid calling mutex at atomic
environment, as dr_wake_up_enable will call mutex_lock
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Diffstat (limited to 'drivers')
| -rwxr-xr-x | drivers/usb/gadget/arcotg_udc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/arcotg_udc.c b/drivers/usb/gadget/arcotg_udc.c index bab3ec92a6b7..b6b6190b4da1 100755 --- a/drivers/usb/gadget/arcotg_udc.c +++ b/drivers/usb/gadget/arcotg_udc.c @@ -2206,9 +2206,9 @@ static void fsl_gadget_disconnect_event(struct work_struct *work) fsl_writel(tmp | (OTGSC_B_SESSION_VALID_IRQ_EN), &dr_regs->otgsc); udc->stopped = 1; + spin_unlock_irqrestore(&udc->lock, flags); /* enable wake up */ dr_wake_up_enable(udc, true); - spin_unlock_irqrestore(&udc->lock, flags); /* close USB PHY clock */ dr_phy_low_power_mode(udc, true); /* close dr controller clock */ |