From: vignesh babu <vignesh.babu@wipro.com>
Date: Mon, 9 Jul 2007 18:50:22 +0000 (-0700)
Subject: Use is_power_of_2() in myri10ge/myri10ge.c
X-Git-Tag: v2.6.23-rc1~1151^2~25
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=199126a23a091585670fba023529b73047bb2bad;p=linux.git

Use is_power_of_2() in myri10ge/myri10ge.c

Replace (n & (n-1)) with is_power_of_2()

Signed-off-by: vignesh babu <vignesh.babu@wipro.com>
Cc: Brice Goglin <brice@myri.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index d0cc122fa3f0..e1732c164a40 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -60,6 +60,7 @@
 #include <linux/crc32.h>
 #include <linux/moduleparam.h>
 #include <linux/io.h>
+#include <linux/log2.h>
 #include <net/checksum.h>
 #include <asm/byteorder.h>
 #include <asm/io.h>
@@ -1804,7 +1805,7 @@ static int myri10ge_open(struct net_device *dev)
 	 */
 	big_pow2 = dev->mtu + ETH_HLEN + VLAN_HLEN + MXGEFW_PAD;
 	if (big_pow2 < MYRI10GE_ALLOC_SIZE / 2) {
-		while ((big_pow2 & (big_pow2 - 1)) != 0)
+		while (!is_power_of_2(big_pow2))
 			big_pow2++;
 		mgp->big_bytes = dev->mtu + ETH_HLEN + VLAN_HLEN + MXGEFW_PAD;
 	} else {