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video: fbdev: controlfb: Fix set but not used warnings

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[ Upstream commit 4aca4dbcac ]

The controlfb driver has a number of dummy defines for IO operations.
They were introduced in commit a07a63b0e2
("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>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
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>
Link: https://patchwork.freedesktop.org/patch/msgid/20201206190247.1861316-13-sam@ravnborg.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sam Ravnborg
2020-12-06 20:02:46 +01:00
committed by Greg Kroah-Hartman
parent f8bf19f7f3
commit ec1c20b02a
1 changed files with 2 additions and 2 deletions
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4
drivers/video/fbdev/controlfb.c
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@@ -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)