On Tue, Dec 29, 2015 at 6:15 AM, Peter Chen <hzpeterchen@xxxxxxxxx> wrote: > I prefer to keep it, and it let us know the existing issues although > we have not implemented workaround for them. In future, we may have > solutions for how to implement them. Ok, what about adding the recommendation below? --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -98,6 +98,9 @@ * The PHY will be in messy if there is a wakeup after putting * bus to suspend (set portsc.suspendM) but before setting PHY to low * power mode (set portsc.phcd). + * + * To work around this problem on mx23/mx28 user should pass + * 'usbcore.autosuspend=-1' in the kernel command line for now. */ #define MXS_PHY_ABNORMAL_IN_SUSPEND BIT(1) -- 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
