linux-kernel - Re: [PATCH 1/4] GPIO: PCA953X: Increase size of invert variable to support 24 bit

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Message-ID: <CACRpkdYX58zq2byvdWtLs-1ufN2gF=+1qokumjhoia+RThW=NA@mail.gmail.com>
Date:	Thu, 12 Jul 2012 00:02:50 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Chandrabhanu Mahapatra <cmahapatra@...com>
Cc:	grant.likely@...retlab.ca, linus.walleij@...ricsson.com,
	rob.herring@...xeda.com, linux-kernel@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org, leed.aguilar@...com
Subject: Re: [PATCH 1/4] GPIO: PCA953X: Increase size of invert variable to
 support 24 bit

On Tue, Jul 10, 2012 at 3:35 PM, Chandrabhanu Mahapatra
<cmahapatra@...com> wrote:

> TCA6424 is a low voltage 24 bit I2C and SMBus I/O expander of pca953x family
> similar to its 16 bit predecessor TCA6416. It comes with three 8-bit active
> Input, Output, Polarity Inversion and Configuration registers each. The polarity
> of Input ports can be reversed by setting the appropiate bit in Polarity
> Inversion registers.
>
> The variables corresponding to Input, Output and Configuration registers have
> already been updated to support 24 bit values. This patch thus updates the
> invert variable of PCA953X platform data to support 24 bit.
>
> Signed-off-by: Chandrabhanu Mahapatra <cmahapatra@...com>

I remember this (I think). So expand to 32bit to support 24 bit,
that looks reasonable.

Patch applied.

Thanks,
Linus Walleij
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