On Tue, Nov 05, 2013 at 10:28:42AM +0100, Linus Walleij wrote:

This removes the dependency on <mach/gpio.h> from the AT91 serial
driver by adding an mctrl callback quirk.

Long term it is better if the driver calls the generic GPIO
interface (gpio_set_value()), but this gets a hairy cross-depency
into the machine-local headers out of the way for now.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Walleij <redacted>
---
Greg, if you're OK with this approach please give me an ACK
so I can take this through the ARM SoC or GPIO tree in the end.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>