On 3 December 2014 at 19:02, Linus Walleij [off-list ref] wrote:

On Thu, Nov 20, 2014 at 1:37 PM, Vincent Yang
[off-list ref] wrote:

quoted

Driver for Fujitsu MB86S7x SoCs that have a memory mapped GPIO controller.

Signed-off-by: Andy Green <redacted>
Signed-off-by: Jassi Brar <redacted>
Signed-off-by: Vincent Yang <redacted>
Signed-off-by: Tetsuya Nuriya <redacted>

This is a very simple MMIO GPIO controller.

Why can this *not* just select GPIO_GENERIC and
use drivers/gpio/gpio-generic.c?

The math isn't the simple shift operation that the gpio-generic.c assumes.

-jassi