linux-kernel - Re: [PATCH v2] gpio: pca953x: Use correct u16 value for register word write

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Date:	Fri, 1 Apr 2016 22:38:55 +0800
From:	Yong Li <sdliyong@...il.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Alexandre Courbot <gnurou@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Alexander Stein <alexander.stein@...tec-electronic.com>,
	Phil Reid <preid@...ctromag.com.au>
Subject: Re: [PATCH v2] gpio: pca953x: Use correct u16 value for register word write

Yes it is a regression. I think it should be tagged for stable too

Thanks,
Yong

2016-04-01 20:51 GMT+08:00 Linus Walleij <linus.walleij@...aro.org>:
> On Wed, Mar 30, 2016 at 8:49 AM, Yong Li <sdliyong@...il.com> wrote:
>
>> The current implementation only uses the first byte in val,
>> the second byte is always 0. Change it to use cpu_to_le16
>> to write the two bytes into the register
>>
>> Signed-off-by: Yong Li <sdliyong@...il.com>
>
> Patch applied to fixes with Phil's review tag.
>
> It is a regression, right?
>
> Should it be tagged for stable?
>
> Yours,
> Linus Walleij