linux-kernel - Re: [PATCH v2 1/4] gpio: gpio-mxc: add gpio driver for Freescale MXC architecture

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Message-ID: <BANLkTinwnoAA-p2+b_Q--NFjHfKCG81d9g@mail.gmail.com>
Date:	Wed, 1 Jun 2011 22:24:12 -0700
From:	Olof Johansson <olof@...om.net>
To:	Shawn Guo <shawn.guo@...aro.org>
Cc:	linux-kernel@...r.kernel.org, grant.likely@...retlab.ca,
	arnd@...db.de, kernel@...gutronix.de,
	linux-arm-kernel@...ts.infradead.org, patches@...aro.org
Subject: Re: [PATCH v2 1/4] gpio: gpio-mxc: add gpio driver for Freescale MXC architecture

On Wed, Jun 1, 2011 at 8:33 PM, Shawn Guo <shawn.guo@...aro.org> wrote:
> Add gpio-mxc driver by copying arch/arm/plat-mxc/gpio.c into
> drivers/gpio with the following changes.
>
>  * Use readl/writel to replace mach-specific accessors
>   __raw_readl/__raw_writel
>
>  * Migrate to platform driver by adding .probe function
>
>  * Add a list to save all mx2 ports references, so that
>   mx2_gpio_irq_handler can walk through all interrupt status
>   registers
>
> Signed-off-by: Shawn Guo <shawn.guo@...aro.org>

Acked-by: Olof Johansson <olof@...om.net>


-Olof
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