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List:       linux-kernel
Subject:    Re: [PATCH 2/3] gpio: ath79: Move to the generic GPIO driver
From:       Linus Walleij <linus.walleij () linaro ! org>
Date:       2015-10-31 21:02:53
Message-ID: CACRpkdY3Xjir7pHLhpT9nv1w-KA5E3a767vqZoQronyAWZ1F1w () mail ! gmail ! com
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On Fri, Oct 30, 2015 at 11:36 AM, Alban Bedel <albeu@free.fr> wrote:

> Turn the ath79 driver into a true driver supporting multiple
> instances while dropping most of the code in favor of the generic
> MMIO GPIO driver.
>
> As the driver now depend on CONFIG_GPIO_GENERIC also add a Kconfig
> entry to make the driver optional.
>
> Signed-off-by: Alban Bedel <albeu@free.fr>

This patch looks nice but sadly does not apply to my "devel" branch in
the GPIO tree:
https://git.kernel.org/cgit/linux/kernel/git/linusw/linux-gpio.git/log/?h=devel

Please rebase it on this branch or wait until after the merge window.

> +config GPIO_ATH79
> +       tristate "Atheros AR71XX/AR724X/AR913X GPIO support"
> +       default y if ATH79
> +       depends on ATH79 || COMPILE_TEST

I think the build robot is complaining because of COMPILE_TEST. This
driver doesn't really compile on anything else than ATH79 does it?
Noone else has asm/mach-ath79/ar71xx_regs.h

So I suggest dropping the compile test until this is fixed (e.g. by moving
the GPIO register offsets into the driver, what do I know).

> +       select GPIO_GENERIC

This is very very nice.

And works out nice, as we can see.

Yours,
Linus Walleij
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