On Thu, Jul 19, 2018 at 9:07 PM, Bin Liu <b-liu@xxxxxx> wrote: > Hi, > > On Thu, Jul 19, 2018 at 03:40:38PM +0530, Jagan Teki wrote: >> musb stop is musb core call during unregister or shutting down >> gadget or host musb. For graceful exit add musb_platform_exit >> on musb_stop so-that it can exit the musb platform driver as well. > > Thanks for the patch. but musb_stop() is called in the .udc_stop() and > host .stop() hooks, which can stop (and restart) at any time by the udc > or host core, not really during unregister. musb_platform_init() is not > called in .udc_start() and .start() hooks, so we shouldn't add > musb_platform_exit() in musb_stop(). Thanks for the explanation. Look like musb_platform_exit calling during musb_remove call of platform driver. can you explain how the shutdown sequence happen because of if udc_stop call musb_stop to shutdown how come platform_exit will shutdown it's PHY and CLK bits. or is it in reverse? Jagan. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
