[PATCH 02/10] brcmstb_gisb: Replace "hweight_long(mask) != 1" with "!is_power_of_2(mask)"
From: Zhaoxiu Zeng <hidden>
Date: 2015-12-06 10:13:02
Also in:
lkml
Subsystem:
broadcom bcm7xxx arm architecture, the rest · Maintainers:
Florian Fainelli, Linus Torvalds
From: Zeng Zhaoxiu <redacted> Signed-off-by: Zeng Zhaoxiu <redacted> --- 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