From 7b987887f97b9fdbc5fa4774ff973158266d834c Mon Sep 17 00:00:00 2001 From: Jason Yan Date: Fri, 3 Apr 2020 10:16:09 +0800 Subject: [PATCH] video: fbdev: matroxfb: remove dead code and set but not used variable MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Jason Yan Signed-off-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20200403021609.20968-1-yanaijie@huawei.com --- drivers/video/fbdev/matrox/g450_pll.c | 22 ---------------------- 1 file changed, 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