summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2006-04-08 01:33:31 +0900
committerRalf Baechle <ralf@linux-mips.org>2006-04-19 04:14:30 +0200
commit3c68da798a3facbf94d536b1ed7ff6f1e7f4ad8d (patch)
tree14882e68603070e2697f1825a17e6adc57b03d00
parent9200c0b2a07c430bd98c546fc44b94f50e67ac62 (diff)
downloadlinux-3.10-3c68da798a3facbf94d536b1ed7ff6f1e7f4ad8d.tar.gz
linux-3.10-3c68da798a3facbf94d536b1ed7ff6f1e7f4ad8d.tar.bz2
linux-3.10-3c68da798a3facbf94d536b1ed7ff6f1e7f4ad8d.zip
[MIPS] Use __ffs() instead of ffs() for waybit calculation.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/mm/c-r4k.c16
-rw-r--r--arch/mips/mm/sc-rm7k.c2
2 files changed, 9 insertions, 9 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index d88c6686413..4182e1176fa 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -750,12 +750,12 @@ static void __init probe_pcache(void)
icache_size = 1 << (12 + ((config & CONF_IC) >> 9));
c->icache.linesz = 16 << ((config & CONF_IB) >> 5);
c->icache.ways = 2;
- c->icache.waybit = ffs(icache_size/2) - 1;
+ c->icache.waybit = __ffs(icache_size/2);
dcache_size = 1 << (12 + ((config & CONF_DC) >> 6));
c->dcache.linesz = 16 << ((config & CONF_DB) >> 4);
c->dcache.ways = 2;
- c->dcache.waybit= ffs(dcache_size/2) - 1;
+ c->dcache.waybit= __ffs(dcache_size/2);
c->options |= MIPS_CPU_CACHE_CDEX_P;
break;
@@ -838,12 +838,12 @@ static void __init probe_pcache(void)
icache_size = 1 << (10 + ((config & CONF_IC) >> 9));
c->icache.linesz = 16 << ((config & CONF_IB) >> 5);
c->icache.ways = 2;
- c->icache.waybit = ffs(icache_size/2) - 1;
+ c->icache.waybit = __ffs(icache_size/2);
dcache_size = 1 << (10 + ((config & CONF_DC) >> 6));
c->dcache.linesz = 16 << ((config & CONF_DB) >> 4);
c->dcache.ways = 2;
- c->dcache.waybit = ffs(dcache_size/2) - 1;
+ c->dcache.waybit = __ffs(dcache_size/2);
c->options |= MIPS_CPU_CACHE_CDEX_P;
break;
@@ -874,12 +874,12 @@ static void __init probe_pcache(void)
icache_size = 1 << (12 + ((config & CONF_IC) >> 9));
c->icache.linesz = 16 << ((config & CONF_IB) >> 5);
c->icache.ways = 4;
- c->icache.waybit = ffs(icache_size / c->icache.ways) - 1;
+ c->icache.waybit = __ffs(icache_size / c->icache.ways);
dcache_size = 1 << (12 + ((config & CONF_DC) >> 6));
c->dcache.linesz = 16 << ((config & CONF_DB) >> 4);
c->dcache.ways = 4;
- c->dcache.waybit = ffs(dcache_size / c->dcache.ways) - 1;
+ c->dcache.waybit = __ffs(dcache_size / c->dcache.ways);
#if !defined(CONFIG_SMP) || !defined(RM9000_CDEX_SMP_WAR)
c->options |= MIPS_CPU_CACHE_CDEX_P;
@@ -907,7 +907,7 @@ static void __init probe_pcache(void)
icache_size = c->icache.sets *
c->icache.ways *
c->icache.linesz;
- c->icache.waybit = ffs(icache_size/c->icache.ways) - 1;
+ c->icache.waybit = __ffs(icache_size/c->icache.ways);
if (config & 0x8) /* VI bit */
c->icache.flags |= MIPS_CACHE_VTAG;
@@ -927,7 +927,7 @@ static void __init probe_pcache(void)
dcache_size = c->dcache.sets *
c->dcache.ways *
c->dcache.linesz;
- c->dcache.waybit = ffs(dcache_size/c->dcache.ways) - 1;
+ c->dcache.waybit = __ffs(dcache_size/c->dcache.ways);
c->options |= MIPS_CPU_PREFETCH;
break;
diff --git a/arch/mips/mm/sc-rm7k.c b/arch/mips/mm/sc-rm7k.c
index 3b6cc9ba1b0..31ec7305242 100644
--- a/arch/mips/mm/sc-rm7k.c
+++ b/arch/mips/mm/sc-rm7k.c
@@ -138,7 +138,7 @@ void __init rm7k_sc_init(void)
c->scache.linesz = sc_lsize;
c->scache.ways = 4;
- c->scache.waybit= ffs(scache_size / c->scache.ways) - 1;
+ c->scache.waybit= __ffs(scache_size / c->scache.ways);
c->scache.waysize = scache_size / c->scache.ways;
c->scache.sets = scache_size / (c->scache.linesz * c->scache.ways);
printk(KERN_INFO "Secondary cache size %dK, linesize %d bytes.\n",