On Thu, Mar 13, 2014 at 01:11:13PM +0200, Grygorii Strashko 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> nice :-) Acked-by: Felipe Balbi <balbi@xxxxxx> -- balbi
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