From 13e79b462212ac46a046932af06117eaf7a9f77b Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Fri, 13 Nov 2009 16:04:53 +0900 Subject: [PATCH] MIPS: Sibyte: Use hweight8 instead of counting bits Signed-off-by: Akinobu Mita Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/637/ Signed-off-by: Ralf Baechle --- arch/mips/mm/cerr-sb1.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) 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);