Re: [PATCH 5/9] gpio: Add Fujitsu MB86S7x GPIO driver

[Jassi Brar <jaswinder.singh@xxxxxxxxxx>]

On 3 December 2014 at 19:02, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> On Thu, Nov 20, 2014 at 1:37 PM, Vincent Yang
> <vincent.yang.fujitsu@xxxxxxxxx> wrote:
>
>> Driver for Fujitsu MB86S7x SoCs that have a memory mapped GPIO controller.
>>
>> Signed-off-by: Andy Green <andy.green@xxxxxxxxxx>
>> Signed-off-by: Jassi Brar <jaswinder.singh@xxxxxxxxxx>
>> Signed-off-by: Vincent Yang <Vincent.Yang@xxxxxxxxxxxxxx>
>> Signed-off-by: Tetsuya Nuriya <nuriya.tetsuya@xxxxxxxxxxxxxx>
>
> 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
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