From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Fri, 13 Nov 2009 07:04:53 +0000 (+0900)
Subject: MIPS: Sibyte: Use hweight8 instead of counting bits
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=13e79b462212ac46a046932af06117eaf7a9f77b;p=linux-beck.git

MIPS: Sibyte: Use hweight8 instead of counting bits

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/637/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/mm/cerr-sb1.c b/arch/mips/mm/cerr-sb1.c
index 1bd1f18ac23c..3571090ba178 100644
--- a/arch/mips/mm/cerr-sb1.c
+++ b/arch/mips/mm/cerr-sb1.c
@@ -567,13 +567,10 @@ static uint32_t extract_dc(unsigned short addr, int data)
 				datalo = ((unsigned long long)datalohi << 32) | datalolo;
 				ecc = dc_ecc(datalo);
 				if (ecc != datahi) {
-					int bits = 0;
+					int bits;
 					bad_ecc |= 1 << (3-offset);
 					ecc ^= datahi;
-					while (ecc) {
-						if (ecc & 1) bits++;
-						ecc >>= 1;
-					}
+					bits = hweight8(ecc);
 					res |= (bits == 1) ? CP0_CERRD_DATA_SBE : CP0_CERRD_DATA_DBE;
 				}
 				printk("  %02X-%016llX", datahi, datalo);