On Thursday 13 March 2014 09:43 PM, Kishon Vijay Abraham I wrote: > Hi Santosh, > > On Thursday 13 March 2014 07:07 PM, Santosh Shilimkar wrote: >> On Thursday 13 March 2014 07:11 PM, Strashko, Grygorii wrote: >>> This fixes a regression on Keystone 2 platforms caused by patch >>> 57303488cd37da58263e842de134dc65f7c626d5 >>> "usb: dwc3: adapt dwc3 core to use Generic PHY Framework" which adds >>> optional support of generic phy in DWC3 core. >>> >>> On Keystone 2 platforms the USB is not working now because >>> CONFIG_GENERIC_PHY isn't set and, as result, Generic PHY APIs stubs >>> return -ENOSYS always. The log shows: >>> dwc3 2690000.dwc3: failed to initialize core >>> dwc3: probe of 2690000.dwc3 failed with error -38 >>> >>> Hence, fix it by making NULL a valid phy reference in Generic PHY >>> APIs stubs in the same way as it was done by the patch >>> 04c2facad8fee66c981a51852806d8923336f362 "drivers: phy: Make NULL >>> a valid phy reference". >>> >>> CC: Kishon Vijay Abraham I <kishon@xxxxxx> >>> CC: Felipe Balbi <balbi@xxxxxx> >>> CC: Santosh Shilimkar <santosh.shilimkar@xxxxxx> >>> Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx> >>> --- >> This fixes the regression seen in Linux next and patch seems >> reasonable to me. >> Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> >> >> Felipe, Kishon, >> Can you guys pick this fix if you are ok by it. Thanks > > I've already given a PULL request to Greg for 3.15. Is it ok to take this in -rc cycle? > Am not sure because this is breaking the existing functionality. May be you can request Greg to pull this fix as well. Regards, Santosh -- 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