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From: Andrzej Hajda <a.hajda@samsung.com>
To: David Binderman <dcb314@hotmail.com>,
	"inki.dae@samsung.com" <inki.dae@samsung.com>,
	"jy0922.shim@samsung.com" <jy0922.shim@samsung.com>,
	"sw0312.kim@samsung.com" <sw0312.kim@samsung.com>,
	"kyungmin.park@samsung.com" <kyungmin.park@samsung.com>,
	"airlied@linux.ie" <airlied@linux.ie>,
	"kgene@kernel.org" <kgene@kernel.org>,
	"krzk@kernel.org" <krzk@kernel.org>,
	"javier@osg.samsung.com" <javier@osg.samsung.com>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-samsung-soc@vger.kernel.org"
	<linux-samsung-soc@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Subject: Re: linux-4.11-rc1/drivers/gpu/drm/exynos/exynos5433_drm_decon.c:681: suspicious mask ?
Date: Wed, 08 Mar 2017 10:01:41 +0100	[thread overview]
Message-ID: <c489ede9-aca6-bee9-4d82-b35cf720dcbd@samsung.com> (raw)
In-Reply-To: <DB5PR08MB0967CD7B84545DE129126A619C2C0@DB5PR08MB0967.eurprd08.prod.outlook.com>

Hi David, Inki,

Thanks for reporting.

On 06.03.2017 11:05, David Binderman wrote:
> Hello there,
>
> linux-4.11-rc1/drivers/gpu/drm/exynos/exynos5433_drm_decon.c:681]: (warning) Result of operator '|' is always true if one operand is non-zero. Did you intend to use '&'?
>
> Source code is
>
>     if (ctx->out_type | I80_HW_TRG) {
>
> Also in the same file:
>
> [drivers/gpu/drm/exynos/exynos5433_drm_decon.c:131]: (style) Same expression on both sides of '|'.
>
> Source code is
>
>        writel(TRIGCON_TE_AUTO_MASK | TRIGCON_SWTRIGEN
>                | TRIGCON_TE_AUTO_MASK | TRIGCON_SWTRIGEN,

This typo was already reported by:
- Ilia Mirkin, I have uploaded 2nd fixed version of the patch,
apparently the 1st version has been merged [1],
- Dan Carpenter, he posted also the fix[2],
- and now David.

I guess at the moment the best solution is to get Dan's patch.

[1]: https://patchwork.kernel.org/patch/9493177/
[2]: https://patchwork.kernel.org/patch/9571375/

Regards
Andrzej

>
> Regards
>
> David Binderman
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel


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  reply	other threads:[~2017-03-08  9:01 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20170307005334epcas4p22a43a5c4e8348ec53d8b0fbc58cde358@epcas4p2.samsung.com>
2017-03-06 10:05 ` linux-4.11-rc1/drivers/gpu/drm/exynos/exynos5433_drm_decon.c:681: suspicious mask ? David Binderman
2017-03-08  9:01   ` Andrzej Hajda [this message]
2017-03-09  7:34   ` Inki Dae
2017-03-09  8:29     ` Andrzej Hajda

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