linux-kernel - Re: [PATCH] gpio: msic: Fix calculating register address in msic_gpio_to

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Message-ID: <CACRpkdabQsJ9qQRHi4HRVLKZ81MeNyTRGLvXjGmngn83W9Qqjg@mail.gmail.com>
Date:	Sun, 5 Aug 2012 01:10:32 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Axel Lin <axel.lin@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Mathias Nyman <mathias.nyman@...ux.intel.com>,
	Alan Cox <alan@...ux.intel.com>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH] gpio: msic: Fix calculating register address in msic_gpio_to_oreg()

On Tue, Jul 24, 2012 at 12:35 PM, Axel Lin <axel.lin@...il.com> wrote:

> In the case offset is 20 ... 23, the equation to get the register should be:
>         INTEL_MSIC_GPIO1HV0CTLO - offset + 20
>
> With above equation, we can get below mapping between offset and the register:
>         offset is 20: INTEL_MSIC_GPIO1HV0CTLO
>         offset is 21: INTEL_MSIC_GPIO1HV1CTLO
>         offset is 22: INTEL_MSIC_GPIO1HV2CTLO
>         offset is 23: INTEL_MSIC_GPIO1HV3CTLO
>
> Signed-off-by: Axel Lin <axel.lin@...il.com>

Thanks, applied to my fixes branch with Mathias' ACK.

Yours,
Linus Walleij
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