linux-kernel - [PATCH 27/31] video: fbdev: sis: init: Remove unused variables 'cr

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Date:   Wed, 13 Jan 2021 14:50:05 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     lee.jones@...aro.org
Cc:     linux-kernel@...r.kernel.org,
        Thomas Winischhofer <thomas@...ischhofer.net>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org
Subject: [PATCH 27/31] video: fbdev: sis: init: Remove unused variables 'cr_data2', 'VT' and 'HT'

Fixes the following W=1 kernel build warning(s):

 drivers/video/fbdev/sis/init.c: In function ‘SiS_Generic_ConvertCRData’:
 drivers/video/fbdev/sis/init.c:3543:37: warning: variable ‘cr_data2’ set but not used [-Wunused-but-set-variable]
 drivers/video/fbdev/sis/init.c:3542:39: warning: variable ‘VT’ set but not used [-Wunused-but-set-variable]
 drivers/video/fbdev/sis/init.c:3541:39: warning: variable ‘HT’ set but not used [-Wunused-but-set-variable]

Cc: Thomas Winischhofer <thomas@...ischhofer.net>
Cc: dri-devel@...ts.freedesktop.org
Cc: linux-fbdev@...r.kernel.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/video/fbdev/sis/init.c | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/drivers/video/fbdev/sis/init.c b/drivers/video/fbdev/sis/init.c
index 4510272ad297a..b77ea1a8825a5 100644
--- a/drivers/video/fbdev/sis/init.c
+++ b/drivers/video/fbdev/sis/init.c
@@ -3538,16 +3538,13 @@ SiS_Generic_ConvertCRData(struct SiS_Private *SiS_Pr, unsigned char *crdata,
 			struct fb_var_screeninfo *var, bool writeres
 )
 {
-   unsigned short HRE, HBE, HRS, HDE, HT;
-   unsigned short VRE, VBE, VRS, VDE, VT;
-   unsigned char  sr_data, cr_data, cr_data2;
+   unsigned short HRE, HBE, HRS, HDE;
+   unsigned short VRE, VBE, VRS, VDE;
+   unsigned char  sr_data, cr_data;
    int            B, C, D, E, F, temp;
 
    sr_data = crdata[14];
 
-   /* Horizontal total */
-   HT =  crdata[0] | ((unsigned short)(sr_data & 0x03) << 8);
-
    /* Horizontal display enable end */
    HDE = crdata[1] | ((unsigned short)(sr_data & 0x0C) << 6);
    E = HDE + 1;
@@ -3584,12 +3581,6 @@ SiS_Generic_ConvertCRData(struct SiS_Private *SiS_Pr, unsigned char *crdata,
    sr_data = crdata[13];
    cr_data = crdata[7];
 
-   /* Vertical total */
-   VT  = crdata[6] |
-	 ((unsigned short)(cr_data & 0x01) << 8) |
-	 ((unsigned short)(cr_data & 0x20) << 4) |
-	 ((unsigned short)(sr_data & 0x01) << 10);
-
    /* Vertical display enable end */
    VDE = crdata[10] |
 	 ((unsigned short)(cr_data & 0x02) << 7) |
@@ -3604,8 +3595,6 @@ SiS_Generic_ConvertCRData(struct SiS_Private *SiS_Pr, unsigned char *crdata,
 	 ((unsigned short)(sr_data & 0x08) << 7);
    F = VRS + 1 - E;
 
-   cr_data2 = (crdata[16] & 0x01) << 5;
-
    /* Vertical blank end */
    VBE = crdata[12] | ((unsigned short)(sr_data & 0x10) << 4);
    temp = VBE - ((E - 1) & 511);
-- 
2.25.1