---

yaml --- r: 162795 b: refs/heads/master c: fa68e00 h: refs/heads/master i: 162793: 5aef378 162791: 81498d7 v: v3
git-mirror · Sep 15, 2009 · 351a332 · 351a332
1 parent 5772562
commit 351a332
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Showing 2 changed files with 11 additions and 7 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3eef08ba522775360cc59fe0a6b1bca6ecc8da4e
+refs/heads/master: fa68e0025d4184ba917621a9c977d4243d0a013e
diff --git a/trunk/sound/soc/s3c24xx/s3c-i2s-v2.c b/trunk/sound/soc/s3c24xx/s3c-i2s-v2.c
@@ -230,26 +230,30 @@ static void s3c2412_snd_rxctrl(struct s3c_i2sv2_info *i2s, int on)
 	pr_debug("%s: IIS: CON=%x MOD=%x FIC=%x\n", __func__, con, mod, fic);
 }
 
+#define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t)
+
 /*
  * Wait for the LR signal to allow synchronisation to the L/R clock
  * from the codec. May only be needed for slave mode.
  */
 static int s3c2412_snd_lrsync(struct s3c_i2sv2_info *i2s)
 {
 	u32 iiscon;
-	unsigned long timeout = jiffies + msecs_to_jiffies(5);
+	unsigned long loops = msecs_to_loops(5);
 
 	pr_debug("Entered %s\n", __func__);
 
-	while (1) {
+	while (--loops) {
 		iiscon = readl(i2s->regs + S3C2412_IISCON);
 		if (iiscon & S3C2412_IISCON_LRINDEX)
 			break;
 
-		if (timeout < jiffies) {
-			printk(KERN_ERR "%s: timeout\n", __func__);
-			return -ETIMEDOUT;
-		}
+		cpu_relax();
+	}
+
+	if (!loops) {
+		printk(KERN_ERR "%s: timeout\n", __func__);
+		return -ETIMEDOUT;
 	}
 
 	return 0;