---

yaml --- r: 325308 b: refs/heads/master c: d6f015b h: refs/heads/master v: v3
git-mirror · Sep 17, 2012 · ce0bb27 · ce0bb27
1 parent 16f5848
commit ce0bb27
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Showing 2 changed files with 8 additions and 8 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7d24e1ac00173a5a271bf1353d4216836dab55e6
+refs/heads/master: d6f015b6ad035d465d0ab30e9a441e5e8d18d4b7
diff --git a/trunk/drivers/staging/comedi/drivers/mite.h b/trunk/drivers/staging/comedi/drivers/mite.h
@@ -25,6 +25,7 @@
 #define _MITE_H_
 
 #include <linux/pci.h>
+#include <linux/log2.h>
 #include "../comedidev.h"
 
 /*  #define DEBUG_MITE */
@@ -245,8 +246,9 @@ enum MITE_IODWBSR_bits {
 static inline unsigned MITE_IODWBSR_1_WSIZE_bits(unsigned size)
 {
 	unsigned order = 0;
-	while (size >>= 1)
-		++order;
+
+	BUG_ON(size == 0);
+	order = ilog2(size);
 	BUG_ON(order < 1);
 	return (order - 1) & 0x1f;
 }
@@ -393,12 +395,10 @@ static inline int CR_RL(unsigned int retry_limit)
 {
 	int value = 0;
 
-	while (retry_limit) {
-		retry_limit >>= 1;
-		value++;
-	}
+	if (retry_limit)
+		value = 1 + ilog2(retry_limit);
 	if (value > 0x7)
-		printk("comedi: bug! retry_limit too large\n");
+		value = 0x7;
 	return (value & 0x7) << 21;
 }