[PATCH 01/10] sh: Replace "hweight_long(flags) != 1" with "!is_power_of_2(flags)"
DORMANTno replies
From: Zhaoxiu Zeng <hidden>
Date: 2015-12-06 09:58:18
Also in:
lkml
Subsystem:
superh, the rest · Maintainers:
Yoshinori Sato, Rich Felker, John Paul Adrian Glaubitz, Linus Torvalds
From: Zeng Zhaoxiu <redacted> Signed-off-by: Zeng Zhaoxiu <redacted> --- arch/sh/kernel/io_trapped.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/sh/kernel/io_trapped.c b/arch/sh/kernel/io_trapped.c
index f8ce362..d8f32bf 100644
--- a/arch/sh/kernel/io_trapped.c
+++ b/arch/sh/kernel/io_trapped.c@@ -15,6 +15,7 @@ #include <linux/vmalloc.h> #include <linux/module.h> #include <linux/init.h> +#include <linux/log2.h> #include <asm/mmu_context.h> #include <asm/uaccess.h> #include <asm/io.h>
@@ -62,7 +63,7 @@ int register_trapped_io(struct trapped_io *tiop) } /* support IORESOURCE_IO _or_ MEM, not both */ - if (hweight_long(flags) != 1) + if (!is_power_of_2(flags)) goto bad; n = len >> PAGE_SHIFT;
--
2.5.0