The driver was converted to the new start/stop interface in f3d8bf34c2
("usb: gadget: at91_udc: convert to new style start/stop interface").
I overlooked that the driver is overwritting the private data which is
used by the composite framework. The udc driver doesn't read it, it is
only written here.
Tested-by: Fabio Porcedda <fabio.porcedda@xxxxxxxxx>
Tested-by: Mario Isidoro <Mario.Isidoro@xxxxxxxxx>
Cc: <stable@xxxxxxxxxx> # v3.5
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
drivers/usb/gadget/at91_udc.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index c9e66df..14df835 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1635,7 +1635,6 @@ static int at91_start(struct usb_gadget *gadget,
udc->driver = driver;
udc->gadget.dev.driver = &driver->driver;
udc->gadget.dev.of_node = udc->pdev->dev.of_node;
- dev_set_drvdata(&udc->gadget.dev, &driver->driver);
udc->enabled = 1;
udc->selfpowered = 1;
@@ -1656,7 +1655,6 @@ static int at91_stop(struct usb_gadget *gadget,
spin_unlock_irqrestore(&udc->lock, flags);
udc->gadget.dev.driver = NULL;
- dev_set_drvdata(&udc->gadget.dev, NULL);
udc->driver = NULL;
DBG("unbound from %s\n", driver->driver.name);
--
1.7.10.4
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