From: Thomas Zimmermann <tzimmermann@suse.de>
To: Sam Ravnborg <sam@ravnborg.org>,
linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
Lee Jones <lee.jones@linaro.org>
Cc: Alexander Klimov <grandmaster@al2klimov.de>,
Andrew Morton <akpm@linux-foundation.org>,
Andrzej Hajda <a.hajda@samsung.com>,
Arnd Bergmann <arnd@arndb.de>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Colin Ian King <colin.king@canonical.com>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
Douglas Anderson <dianders@chromium.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Gustavo A R Silva <gustavoars@kernel.org>,
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
linux-arm-kernel@lists.infradead.org,
Michael Ellerman <mpe@ellerman.id.au>,
Mike Rapoport <rppt@kernel.org>, Peter Jones <pjones@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Qilong Zhang <zhangqilong3@huawei.com>,
Randy Dunlap <rdunlap@infradead.org>,
Rich Felker <dalias@libc.org>,
Thierry Reding <thierry.reding@gmail.com>,
Thomas Winischhofer <thomas@winischhofer.net>,
Tony Prisk <linux@prisktech.co.nz>
Subject: Re: [PATCH v3 12/13] video: fbdev: controlfb: Fix set but not used warnings
Date: Mon, 7 Dec 2020 14:52:36 +0100 [thread overview]
Message-ID: <39bdf3e7-8c44-251c-3d07-bccaf0b57232@suse.de> (raw)
In-Reply-To: <20201206190247.1861316-13-sam@ravnborg.org>
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Am 06.12.20 um 20:02 schrieb Sam Ravnborg:
> The controlfb driver has a number of dummy defines for IO operations.
> They were introduced in commit a07a63b0e24d
> ("video: fbdev: controlfb: add COMPILE_TEST support").
>
> The write variants did not use their value parameter in the
> dummy versions, resulting in set but not used warnings.
> Fix this by adding "(void)val" to silence the compiler.
>
> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> Cc: Sam Ravnborg <sam@ravnborg.org>
> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org>
> Cc: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---
> drivers/video/fbdev/controlfb.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c
> index 2df56bd303d2..509311471d51 100644
> --- a/drivers/video/fbdev/controlfb.c
> +++ b/drivers/video/fbdev/controlfb.c
> @@ -64,9 +64,9 @@
> #undef in_le32
> #undef out_le32
> #define in_8(addr) 0
> -#define out_8(addr, val)
> +#define out_8(addr, val) (void)(val)
> #define in_le32(addr) 0
> -#define out_le32(addr, val)
> +#define out_le32(addr, val) (void)(val)
> #define pgprot_cached_wthru(prot) (prot)
> #else
> static void invalid_vram_cache(void __force *addr)
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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next prev parent reply other threads:[~2020-12-07 13:53 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
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 [this message]
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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