diff mbox

[v2,01/15] powerpc/boot: fix do_div for 64bit wrapper

Message ID 1397461634-20949-2-git-send-email-clg@fr.ibm.com (mailing list archive)
State Superseded
Headers show

Commit Message

Cédric Le Goater April 14, 2014, 7:47 a.m. UTC 
When the boot wrapper is compiled in 64bit, there is no need to
use __div64_32.

Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
---
 arch/powerpc/boot/stdio.c |   14 ++++++++++++++
 1 file changed, 14 insertions(+)
diff mbox

Patch

diff --git a/arch/powerpc/boot/stdio.c b/arch/powerpc/boot/stdio.c
index 5b57800bbc67..a701261b1781 100644
--- a/arch/powerpc/boot/stdio.c
+++ b/arch/powerpc/boot/stdio.c
@@ -21,6 +21,18 @@  size_t strnlen(const char * s, size_t count)
 	return sc - s;
 }
 
+#ifdef __powerpc64__
+
+# define do_div(n, base) ({						\
+	unsigned int __base = (base);					\
+	unsigned int __rem;						\
+	__rem = ((unsigned long long)(n)) % __base;			\
+	(n) = ((unsigned long long)(n)) / __base;			\
+	__rem;								\
+})
+
+#else
+
 extern unsigned int __div64_32(unsigned long long *dividend,
 			       unsigned int divisor);
 
@@ -39,6 +51,8 @@  extern unsigned int __div64_32(unsigned long long *dividend,
 	__rem;								\
  })
 
+#endif /* __powerpc64__ */
+
 static int skip_atoi(const char **s)
 {
 	int i, c;