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yaml --- r: 157683 b: refs/heads/master c: 44a6311 h: refs/heads/master i: 157681: 111f7aa 157679: 0b5eadb v: v3
git-mirror · Aug 20, 2009 · 1c3860d · 1c3860d
1 parent 4454b07
commit 1c3860d
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 946a49a95dabc9dd10344ae9ab4db9f14c5ad502
+refs/heads/master: 44a6311c0a83f682bcf18fae389a1b270df29314
diff --git a/trunk/arch/arm/plat-omap/mcbsp.c b/trunk/arch/arm/plat-omap/mcbsp.c
@@ -365,7 +365,13 @@ void omap_mcbsp_start(unsigned int id, int tx, int rx)
 	w = OMAP_MCBSP_READ(io_base, SPCR1);
 	OMAP_MCBSP_WRITE(io_base, SPCR1, w | (rx & 1));
 
-	udelay(100);
+	/*
+	 * Worst case: CLKSRG*2 = 8000khz: (1/8000) * 2 * 2 usec
+	 * REVISIT: 100us may give enough time for two CLKSRG, however
+	 * due to some unknown PM related, clock gating etc. reason it
+	 * is now at 500us.
+	 */
+	udelay(500);
 
 	if (idle) {
 		/* Start frame sync */