On Tuesday, February 09, 2016 at 09:13:53 AM, Antony Pavlov wrote: > This patch retrieves and configures the vbus control gpio via > the device tree. > > This patch is based on a ehci-s5p.c commit fd81d59c90d38661 > ("USB: ehci-s5p: Add vbus setup function to the s5p ehci glue layer"). > > Signed-off-by: Antony Pavlov <antonynpavlov@xxxxxxxxx> > Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Cc: linux-usb@xxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > --- > drivers/usb/host/ehci-platform.c | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) I think this patch will not be needed if you switch the ar9331 to chipidea hdrc driver. There is CI HDRC in the ar9331. Best regards, Marek Vasut