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authorJason Yan <yanaijie@huawei.com>2020-04-03 05:16:09 +0300
committerSam Ravnborg <sam@ravnborg.org>2020-04-08 13:09:10 +0300
commit7b987887f97b9fdbc5fa4774ff973158266d834c (patch)
treea865cfecc99a153f6af030f23fe0a90c173b6c0f /drivers/video/fbdev/matrox
parent6ea4383b9214c7b2134948999c5d0088723be79a (diff)
downloadlinux-7b987887f97b9fdbc5fa4774ff973158266d834c.tar.xz
video: fbdev: matroxfb: remove dead code and set but not used variable
Fix the following gcc warning: drivers/video/fbdev/matrox/g450_pll.c:336:15: warning: variable ‘pixel_vco’ set but not used [-Wunused-but-set-variable] unsigned int pixel_vco; ^~~~~~~~~ Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200403021609.20968-1-yanaijie@huawei.com
Diffstat (limited to 'drivers/video/fbdev/matrox')
-rw-r--r--drivers/video/fbdev/matrox/g450_pll.c22
1 files changed, 0 insertions, 22 deletions
diff --git a/drivers/video/fbdev/matrox/g450_pll.c b/drivers/video/fbdev/matrox/g450_pll.c
index c15f8a57498e..ff8e321a22ce 100644
--- a/drivers/video/fbdev/matrox/g450_pll.c
+++ b/drivers/video/fbdev/matrox/g450_pll.c
@@ -333,11 +333,9 @@ static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout,
unsigned int *deltaarray)
{
unsigned int mnpcount;
- unsigned int pixel_vco;
const struct matrox_pll_limits* pi;
struct matrox_pll_cache* ci;
- pixel_vco = 0;
switch (pll) {
case M_PIXEL_PLL_A:
case M_PIXEL_PLL_B:
@@ -420,7 +418,6 @@ static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout,
mnp = matroxfb_DAC_in(minfo, M1064_XPIXPLLCM) << 16;
mnp |= matroxfb_DAC_in(minfo, M1064_XPIXPLLCN) << 8;
- pixel_vco = g450_mnp2vco(minfo, mnp);
matroxfb_DAC_unlock_irqrestore(flags);
}
pi = &minfo->limits.video;
@@ -441,25 +438,6 @@ static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout,
unsigned int delta;
vco = g450_mnp2vco(minfo, mnp);
-#if 0
- if (pll == M_VIDEO_PLL) {
- unsigned int big, small;
-
- if (vco < pixel_vco) {
- small = vco;
- big = pixel_vco;
- } else {
- small = pixel_vco;
- big = vco;
- }
- while (big > small) {
- big >>= 1;
- }
- if (big == small) {
- continue;
- }
- }
-#endif
delta = pll_freq_delta(fout, g450_vco2f(mnp, vco));
for (idx = mnpcount; idx > 0; idx--) {
/* == is important; due to nextpll algorithm we get