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| author |   Arvind Yadav <arvind.yadav.cs@gmail.com> | 2017-06-14 17:40:56 +0200 |
|---|---|---|
| committer |   Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2017-06-14 17:40:56 +0200 |
| commit | 86388d835e7f98a227e83530fa9b4953193df43a (patch) | |
| tree | 9752fde3c1440ce8ca488887ac969429bdaf07ce /drivers/video | |
| parent | video: fbdev: omap2: omapfb: displays: panel-dsi-cm: Use time comparison kernel macro. (diff) | |
| download | linux-dev-86388d835e7f98a227e83530fa9b4953193df43a.tar.xz linux-dev-86388d835e7f98a227e83530fa9b4953193df43a.zip | |
video: fbdev: pxafb: Handle return value of clk_prepare_enable
clk_prepare_enable() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/pxafb.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index b21a89b03fb4..c3d49e13643c 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -1436,7 +1436,10 @@ static void pxafb_enable_controller(struct pxafb_info *fbi) pr_debug("reg_lccr3 0x%08x\n", (unsigned int) fbi->reg_lccr3); /* enable LCD controller clock */ - clk_prepare_enable(fbi->clk); + if (clk_prepare_enable(fbi->clk)) { + pr_err("%s: Failed to prepare clock\n", __func__); + return; + } if (fbi->lccr0 & LCCR0_LCDT) return; |