Hi Jason.
On Fri, Apr 03, 2020 at 10:16:09AM +0800, Jason Yan wrote:
> 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 <[email protected]>
> Signed-off-by: Jason Yan <[email protected]>
Thanks, committed and pushed to drm-misc-next.
The fix will show up in upstream kernel at the next
merge window.
Sam
> ---
> 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
> --
> 2.17.2
>
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