[PATCH 02/10] brcmstb_gisb: Replace "hweight_long(mask) != 1" with "!is_power_of_2(mask)"

From	Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH 02/10] brcmstb_gisb: Replace "hweight_long(mask) != 1" with "!is_power_of_2(mask)"
Date	2015-12-06 11:20 +0100
Message-ID	<qCEA9-5E4-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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From: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>

Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
---
 drivers/bus/brcmstb_gisb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/bus/brcmstb_gisb.c b/drivers/bus/brcmstb_gisb.c
index f364fa4..2816a04 100644
--- a/drivers/bus/brcmstb_gisb.c
+++ b/drivers/bus/brcmstb_gisb.c
@@ -24,6 +24,7 @@
 #include <linux/of.h>
 #include <linux/bitops.h>
 #include <linux/pm.h>
+#include <linux/log2.h>
 
 #ifdef CONFIG_ARM
 #include <asm/bug.h>
@@ -171,7 +172,7 @@ brcmstb_gisb_master_to_str(struct brcmstb_gisb_arb_device *gdev,
 {
 	u32 mask = gdev->valid_mask & masters;
 
-	if (hweight_long(mask) != 1)
+	if (!is_power_of_2(mask))
 		return NULL;
 
 	return gdev->master_names[ffs(mask) - 1];
-- 
2.5.0

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[PATCH 02/10] brcmstb_gisb: Replace "hweight_long(mask) != 1" with "!is_power_of_2(mask)" Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com> - 2015-12-06 11:20 +0100

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