From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 25 Jul 2011 01:13:13 +0000 (+1000)
Subject: gma500: udlay(20000) is too large
X-Git-Tag: firefly_0821_release~3680^2~4948
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=933b44732caad0c3b65224453c54846c75d97936;p=firefly-linux-kernel-4.4.55.git

gma500: udlay(20000) is too large

So use mdelay(20) instead.  Fixes this build error:

  ERROR: "__bad_udelay" [drivers/staging/gma500/psb_gfx.ko] undefined!

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c
index 4f47d09d65de..09e378d5ddcb 100644
--- a/drivers/staging/gma500/psb_intel_display.c
+++ b/drivers/staging/gma500/psb_intel_display.c
@@ -331,7 +331,7 @@ static bool psb_intel_find_best_PLL(struct drm_crtc *crtc, int target,
 void psb_intel_wait_for_vblank(struct drm_device *dev)
 {
 	/* Wait for 20ms, i.e. one cycle at 50hz. */
-	udelay(20000);
+	mdelay(20);
 }
 
 int psb_intel_pipe_set_base(struct drm_crtc *crtc,