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usb: gadget: mv_udc: add shutdown function for it

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put the device in idle when shutdown.

Signed-off-by: Neil Zhang <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
This commit is contained in:
Neil Zhang 2011-10-12 16:49:35 +08:00 • committed by Felipe Balbi
commit 046b07ac04
1 changed files with 12 additions and 0 deletions
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12
drivers/usb/gadget/mv_udc_core.c
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@ -2206,9 +2206,21 @@ static const struct dev_pm_ops mv_udc_pm_ops = {
};
#endif
static void mv_udc_shutdown(struct platform_device *dev)
{
struct mv_udc *udc = the_controller;
u32 mode;
/* reset controller mode to IDLE */
mode = readl(&udc->op_regs->usbmode);
mode &= ~3;
writel(mode, &udc->op_regs->usbmode);
}
static struct platform_driver udc_driver = {
.probe = mv_udc_probe,
.remove = __exit_p(mv_udc_remove),
.shutdown = mv_udc_shutdown,
.driver = {
.owner = THIS_MODULE,
.name = "pxa-u2o",