aboutsummaryrefslogtreecommitdiff
path: root/arch/blackfin/include/asm/checksum.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-03-26 18:29:40 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-26 18:29:40 +0100
commit5a54bd1307471c1cd0521402fe65e2057edcab2f (patch)
tree25fb6a543db4ccc11b6d5662ed2e7facfce39ae7 /arch/blackfin/include/asm/checksum.h
parentf9f35677d81adb0feedcd6e0e661784805c8facd (diff)
parent8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff)
Merge commit 'v2.6.29' into core/header-fixes
Diffstat (limited to 'arch/blackfin/include/asm/checksum.h')
-rw-r--r--arch/blackfin/include/asm/checksum.h34
1 files changed, 17 insertions, 17 deletions
diff --git a/arch/blackfin/include/asm/checksum.h b/arch/blackfin/include/asm/checksum.h
index f67289a0d8d..793581fc955 100644
--- a/arch/blackfin/include/asm/checksum.h
+++ b/arch/blackfin/include/asm/checksum.h
@@ -63,23 +63,23 @@ static inline __wsum
csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
unsigned short proto, __wsum sum)
{
-
- __asm__ ("%0 = %0 + %1;\n\t"
- "CC = AC0;\n\t"
- "if !CC jump 4;\n\t"
- "%0 = %0 + %4;\n\t"
- "%0 = %0 + %2;\n\t"
- "CC = AC0;\n\t"
- "if !CC jump 4;\n\t"
- "%0 = %0 + %4;\n\t"
- "%0 = %0 + %3;\n\t"
- "CC = AC0;\n\t"
- "if !CC jump 4;\n\t"
- "%0 = %0 + %4;\n\t"
- "NOP;\n\t"
- : "=d" (sum)
- : "d" (daddr), "d" (saddr), "d" ((ntohs(len)<<16)+proto*256), "d" (1), "0"(sum)
- : "CC");
+ unsigned int carry;
+
+ __asm__ ("%0 = %0 + %2;\n\t"
+ "CC = AC0;\n\t"
+ "%1 = CC;\n\t"
+ "%0 = %0 + %1;\n\t"
+ "%0 = %0 + %3;\n\t"
+ "CC = AC0;\n\t"
+ "%1 = CC;\n\t"
+ "%0 = %0 + %1;\n\t"
+ "%0 = %0 + %4;\n\t"
+ "CC = AC0;\n\t"
+ "%1 = CC;\n\t"
+ "%0 = %0 + %1;\n\t"
+ : "=d" (sum), "=&d" (carry)
+ : "d" (daddr), "d" (saddr), "d" ((len + proto) << 8), "0"(sum)
+ : "CC");
return (sum);
}