linux-kernel - Re: [PATCH] leds-ot200: Fix error caused by shifted mask

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Date:	Thu, 13 Dec 2012 12:55:07 +0100
From:	Christian Gmeiner <christian.gmeiner@...il.com>
To:	linux-next@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Richard Purdie <rpurdie@...ys.net>,
	LKML <linux-kernel@...r.kernel.org>
Cc:	Christian Gmeiner <christian.gmeiner@...il.com>
Subject: Re: [PATCH] leds-ot200: Fix error caused by shifted mask

> During the development of this driver an in-house register
> documentation was used. The last weeks some integration tests
> were done and this problem was found. It turned out that
> the released register documentation is wrong.
>
> The fix is very simple: shift all masks by one.
>
> Signed-off-by: Christian Gmeiner <christian.gmeiner@...il.com>
> ---
>  drivers/leds/leds-ot200.c |   14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/leds/leds-ot200.c b/drivers/leds/leds-ot200.c
> index c464682..676e729 100644
> --- a/drivers/leds/leds-ot200.c
> +++ b/drivers/leds/leds-ot200.c
> @@ -47,37 +47,37 @@ static struct ot200_led leds[] = {
>         {
>                 .name = "led_1",
>                 .port = 0x49,
> -               .mask = BIT(7),
> +               .mask = BIT(6),
>         },
>         {
>                 .name = "led_2",
>                 .port = 0x49,
> -               .mask = BIT(6),
> +               .mask = BIT(5),
>         },
>         {
>                 .name = "led_3",
>                 .port = 0x49,
> -               .mask = BIT(5),
> +               .mask = BIT(4),
>         },
>         {
>                 .name = "led_4",
>                 .port = 0x49,
> -               .mask = BIT(4),
> +               .mask = BIT(3),
>         },
>         {
>                 .name = "led_5",
>                 .port = 0x49,
> -               .mask = BIT(3),
> +               .mask = BIT(2),
>         },
>         {
>                 .name = "led_6",
>                 .port = 0x49,
> -               .mask = BIT(2),
> +               .mask = BIT(1),
>         },
>         {
>                 .name = "led_7",
>                 .port = 0x49,
> -               .mask = BIT(1),
> +               .mask = BIT(0),
>         }
>  };
>
> --
> 1.7.10.4
>

Is something missing to get this patch merged?
--
Christian Gmeiner, MSc
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