Signed-off-by: Lukasz Majewski <l.majewski@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/usb/gadget/s3c-hsotg.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 8fc27cc..e8b517d 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -2990,6 +2990,7 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
struct s3c_hsotg *hsotg = to_hsotg(gadget);
+ unsigned long flags = 0;
int ep;
if (!hsotg)
@@ -3002,6 +3003,8 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget,
for (ep = 0; ep < hsotg->num_of_eps; ep++)
s3c_hsotg_ep_disable(&hsotg->eps[ep].ep);
+ spin_lock_irqsave(&hsotg->lock, flags);
+
s3c_hsotg_phy_disable(hsotg);
regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies);
@@ -3009,6 +3012,8 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget,
hsotg->gadget.speed = USB_SPEED_UNKNOWN;
hsotg->gadget.dev.driver = NULL;
+ spin_unlock_irqrestore(&hsotg->lock, flags);
+
dev_info(hsotg->dev, "unregistered gadget driver '%s'\n",
driver->driver.name);
--
1.7.2.3
--
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