[PATCH v4] pinctrl: Add pinctrl-s3c24xx driver

Linus Walleij linus.walleij at linaro.org
Wed Apr 17 11:20:48 EDT 2013


On Sun, Apr 14, 2013 at 1:38 AM, Heiko Stübner <heiko at sntech.de> wrote:

> The s3c24xx pins follow a similar pattern as the other Samsung SoCs and
> can therefore reuse the already introduced infrastructure.
>
> The s3c24xx SoCs have one design oddity in that the first 4 external
> interrupts do not reside in the eint pending register but in the main
> interrupt controller instead. We solve this by forwarding the external
> interrupt from the main controller into the irq domain of the pin bank.
> The masking/acking of these interrupts is handled in the same way.
>
> Furthermore the S3C2412/2413 SoCs contain another oddity in that they
> keep the same 4 eints in the main interrupt controller and eintpend
> register and requiring ack operations to happen in both. This is solved
> by using different compatible properties for the wakeup eint node which
> set a property accordingly.
>
> Signed-off-by: Heiko Stuebner <heiko at sntech.de>
> Reviewed-by: Tomasz Figa <t.figa at samsung.com>
> Reviewed-by: Sylwester Nawrocki <s.nawrocki at samsung.com>

Looking good, Acked-by: Linus Walleij <linus.walleij at linaro.org>

I prefer this:

#include <linux/bitops.h>

int foo = BIT(7);

over

int foo = (1 << 7);

But no big deal.

Are you taking this through the Samsung tree?

Yours,
Linus Walleij



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