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authorFelipe Balbi <balbi@ti.com>2014-10-17 12:05:12 -0500
committerFelipe Balbi <balbi@ti.com>2014-11-03 10:01:16 -0600
commit22835b807e7ca946a4d1fbd4c7af56aa09cd273e (patch)
tree2b96d92ea6dbaadf7880c9729e5bfb3cb3265978 /drivers/usb/gadget/udc/net2280.c
parent8da9fe8af8e3fd953b346c800976a5db6c0115a4 (diff)
usb: gadget: remove unnecessary 'driver' argument
now that no UDC driver relies on the extra 'driver' argument to ->udc_stop(), we can safely remove it. This commit is based on previous work by Robert Baldyga <r.baldyga@samsung.com> which can be found at [1]; however that patch turned out to have a high probability of regressing many UDC drivers because of a blind search & replace s/driver/$udc->driver/ which caused the 'driver' argument to stop_activity() to be a valid non-NULL pointer when it should be NULL, thus causing UDCs to mistakenly call gadget driver's ->disconnect() callback. [1] http://markmail.org/message/x5zneg4xea4zntab Acked-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/udc/net2280.c')
-rw-r--r--drivers/usb/gadget/udc/net2280.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index a30df8efa2d8..bd03a1b4192d 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -1548,8 +1548,7 @@ static int net2280_pullup(struct usb_gadget *_gadget, int is_on)
static int net2280_start(struct usb_gadget *_gadget,
struct usb_gadget_driver *driver);
-static int net2280_stop(struct usb_gadget *_gadget,
- struct usb_gadget_driver *driver);
+static int net2280_stop(struct usb_gadget *_gadget);
static const struct usb_gadget_ops net2280_ops = {
.get_frame = net2280_get_frame,
@@ -2432,8 +2431,7 @@ static void stop_activity(struct net2280 *dev, struct usb_gadget_driver *driver)
usb_reinit(dev);
}
-static int net2280_stop(struct usb_gadget *_gadget,
- struct usb_gadget_driver *driver)
+static int net2280_stop(struct usb_gadget *_gadget)
{
struct net2280 *dev;
unsigned long flags;