提交 046b07ac 编写于 作者: N Neil Zhang 提交者: Felipe Balbi

usb: gadget: mv_udc: add shutdown function for it

put the device in idle when shutdown.
Signed-off-by: NNeil Zhang <zhangwm@marvell.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>
上级 36616224
......@@ -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",
......
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