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From: Sam Ravnborg <sam@ravnborg.org>
To: kernel test robot <lkp@intel.com>
Cc: linux-fbdev@vger.kernel.org, Rich Felker <dalias@libc.org>,
	kbuild-all@lists.01.org,
	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Daniel Vetter <daniel.vetter@ffwll.ch>,
	Gustavo A R Silva <gustavoars@kernel.org>,
	dri-devel@lists.freedesktop.org,
	Andrzej Hajda <a.hajda@samsung.com>,
	Peter Jones <pjones@redhat.com>, Lee Jones <lee.jones@linaro.org>
Subject: Re: [PATCH v3 05/13] sh: Fix set but not used warnings with !CONFIG_MMU
Date: Sun, 6 Dec 2020 22:49:38 +0100	[thread overview]
Message-ID: <20201206214938.GA1935298@ravnborg.org> (raw)
In-Reply-To: <20201206214814.GA1884161@ravnborg.org>

Hi "kernel test robot"
On Sun, Dec 06, 2020 at 10:48:14PM +0100, Sam Ravnborg wrote:
> commit aa1f4345b5480502a4e61addf5c59d606fdbce8f
> Author: Sam Ravnborg <sam@ravnborg.org>
> Date:   Mon Nov 30 22:09:29 2020 +0100
> 
>     sh: Fix set but not used warnings with !CONFIG_MMU
>     
>     Building fbdev drivers for sh with W=1 produces the following warning:
>     
>         tmiofb.c: In function ‘tmiofb_remove’:
>         tmiofb.c:805:21: warning: variable ‘par’ set but not used
>     
>     This is with allmodconfig and ARCH=sh
>     
>     This boiled down to iounmap() defined as empty for !CONFIG_MMU.
>     Fix this by by adding "(void)addr;" to tell the compiler the
>     argument to iounmap() should be considered used.
>     
>     v4:
>       - Fix build error of ethernet driver (kernel test robot)
>         Added missing () around macro parameter

Thanks for thee quick report - it was easy to reproduce.
I hope this is enough for the robot to pick up the updated patch.

	Sam

  reply	other threads:[~2020-12-06 21:50 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-06 19:02 [PATCH v3 0/13] drivers/video: W=1 warning fixes Sam Ravnborg
2020-12-06 19:02 ` [PATCH v3 01/13] video: fbdev: hgafb: Fix kernel-doc warnings Sam Ravnborg
2020-12-06 19:34   ` Randy Dunlap
2020-12-06 19:02 ` [PATCH v3 02/13] video: fbdev: core: Fix kernel-doc warnings in fbmon + fb_notify Sam Ravnborg
2020-12-06 19:37   ` Randy Dunlap
2020-12-06 20:52     ` Sam Ravnborg
2020-12-06 21:27       ` Randy Dunlap
2020-12-07  8:16     ` Thomas Zimmermann
2020-12-07 16:43       ` Randy Dunlap
2020-12-07 17:12         ` Sam Ravnborg
2020-12-06 19:02 ` [PATCH v3 03/13] video: fbdev: omapfb: Fix set but not used warnings in hdmi*_core Sam Ravnborg
2020-12-07  8:17   ` Thomas Zimmermann
2020-12-06 19:02 ` [PATCH v3 04/13] video: fbdev: uvesafb: Fix set but not used warning Sam Ravnborg
2020-12-07  8:18   ` Thomas Zimmermann
2020-12-06 19:02 ` [PATCH v3 05/13] sh: Fix set but not used warnings with !CONFIG_MMU Sam Ravnborg
2020-12-06 21:19   ` kernel test robot
2020-12-06 21:48     ` Sam Ravnborg
2020-12-06 21:49       ` Sam Ravnborg [this message]
2020-12-07  8:19   ` Thomas Zimmermann
2020-12-06 19:02 ` [PATCH v3 06/13] video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode Sam Ravnborg
2020-12-07  8:21   ` Thomas Zimmermann
2020-12-06 19:02 ` [PATCH v3 07/13] video: fbdev: mmp: Fix kernel-doc warning for lcd_spi_write Sam Ravnborg
2020-12-07 13:48   ` Thomas Zimmermann
2020-12-06 19:02 ` [PATCH v3 08/13] video: fbdev: wmt_ge_rops: Fix function not declared warnings Sam Ravnborg
2020-12-07 13:49   ` Thomas Zimmermann
2020-12-06 19:02 ` [PATCH v3 09/13] video: fbdev: goldfishfb: Fix defined but not used warning Sam Ravnborg
2020-12-07 13:49   ` Thomas Zimmermann
2020-12-06 19:02 ` [PATCH v3 10/13] video: fbdev: gbefb: Fix set " Sam Ravnborg
2020-12-07 13:50   ` Thomas Zimmermann
2020-12-06 19:02 ` [PATCH v3 11/13] video: fbdev: efifb: Fix set but not used warning for screen_pitch Sam Ravnborg
2020-12-07 13:51   ` Thomas Zimmermann
2020-12-06 19:02 ` [PATCH v3 12/13] video: fbdev: controlfb: Fix set but not used warnings Sam Ravnborg
2020-12-07 13:52   ` Thomas Zimmermann
2020-12-06 19:02 ` [PATCH v3 13/13] video: fbdev: sis: Drop useless call to SiS_GetResInfo() Sam Ravnborg
2020-12-07 13:53   ` Thomas Zimmermann
2020-12-08 18:02 ` [PATCH v3 0/13] drivers/video: W=1 warning fixes Sam Ravnborg

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