From: Arnd Bergmann <arnd@kernel.org>
To: linux-kernel@vger.kernel.org, Helge Deller <deller@gmx.de>,
Arnd Bergmann <arnd@arndb.de>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: [PATCH 13/34] sisfb: hide unused variables
Date: Wed, 3 Apr 2024 10:06:31 +0200 [thread overview]
Message-ID: <20240403080702.3509288-14-arnd@kernel.org> (raw)
In-Reply-To: <20240403080702.3509288-1-arnd@kernel.org>
From: Arnd Bergmann <arnd@arndb.de>
Building with W=1 shows that a couple of variables in this driver are only
used in certain configurations:
drivers/video/fbdev/sis/init301.c:239:28: error: 'SiS_Part2CLVX_6' defined but not used [-Werror=unused-const-variable=]
239 | static const unsigned char SiS_Part2CLVX_6[] = { /* 1080i */
| ^~~~~~~~~~~~~~~
drivers/video/fbdev/sis/init301.c:230:28: error: 'SiS_Part2CLVX_5' defined but not used [-Werror=unused-const-variable=]
230 | static const unsigned char SiS_Part2CLVX_5[] = { /* 750p */
| ^~~~~~~~~~~~~~~
drivers/video/fbdev/sis/init301.c:211:28: error: 'SiS_Part2CLVX_4' defined but not used [-Werror=unused-const-variable=]
211 | static const unsigned char SiS_Part2CLVX_4[] = { /* PAL */
| ^~~~~~~~~~~~~~~
drivers/video/fbdev/sis/init301.c:192:28: error: 'SiS_Part2CLVX_3' defined but not used [-Werror=unused-const-variable=]
192 | static const unsigned char SiS_Part2CLVX_3[] = { /* NTSC, 525i, 525p */
| ^~~~~~~~~~~~~~~
drivers/video/fbdev/sis/init301.c:184:28: error: 'SiS_Part2CLVX_2' defined but not used [-Werror=unused-const-variable=]
184 | static const unsigned char SiS_Part2CLVX_2[] = {
| ^~~~~~~~~~~~~~~
drivers/video/fbdev/sis/init301.c:176:28: error: 'SiS_Part2CLVX_1' defined but not used [-Werror=unused-const-variable=]
176 | static const unsigned char SiS_Part2CLVX_1[] = {
| ^~~~~~~~~~~~~~~
This started showing up after the definitions were moved into the
source file from the header, which was not flagged by the compiler.
Move the definition into the appropriate #ifdef block that already
exists next to them.
Fixes: 5908986ef348 ("video: fbdev: sis: avoid mismatched prototypes")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/video/fbdev/sis/init301.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/video/fbdev/sis/init301.c b/drivers/video/fbdev/sis/init301.c
index a8fb41f1a258..09329072004f 100644
--- a/drivers/video/fbdev/sis/init301.c
+++ b/drivers/video/fbdev/sis/init301.c
@@ -172,7 +172,7 @@ static const unsigned char SiS_HiTVGroup3_2[] = {
};
/* 301C / 302ELV extended Part2 TV registers (4 tap scaler) */
-
+#ifdef CONFIG_FB_SIS_315
static const unsigned char SiS_Part2CLVX_1[] = {
0x00,0x00,
0x00,0x20,0x00,0x00,0x7F,0x20,0x02,0x7F,0x7D,0x20,0x04,0x7F,0x7D,0x1F,0x06,0x7E,
@@ -245,7 +245,6 @@ static const unsigned char SiS_Part2CLVX_6[] = { /* 1080i */
0xFF,0xFF,
};
-#ifdef CONFIG_FB_SIS_315
/* 661 et al LCD data structure (2.03.00) */
static const unsigned char SiS_LCDStruct661[] = {
/* 1024x768 */
--
2.39.2
next prev parent reply other threads:[~2024-04-03 8:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-03 8:06 [PATCH 00/34] address all -Wunused-const warnings Arnd Bergmann
2024-04-03 8:06 ` Arnd Bergmann [this message]
2024-04-03 12:39 ` [PATCH 13/34] sisfb: hide unused variables Helge Deller
2024-04-03 8:06 ` [PATCH 22/34] drm/komeda: don't warn for unused debugfs files Arnd Bergmann
2024-04-10 8:02 ` (subset) [PATCH 00/34] address all -Wunused-const warnings Sebastian Reichel
2024-04-22 8:16 ` Michael Ellerman
2025-01-27 13:24 ` Andy Shevchenko
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