From cc94ea31150f83d1f70ad854c920dd6b739c1628 Mon Sep 17 00:00:00 2001 From: Huacai Chen Date: Tue, 4 Nov 2014 14:13:22 +0800 Subject: [PATCH] MIPS: Loongson: Fix the write-combine CCA value setting All Loongson-2/3 processors support _CACHE_UNCACHED_ACCELERATED, not only Loongson-3A. Signed-off-by: Huacai Chen Cc: John Crispin Cc: Steven J. Hill Cc: linux-mips@linux-mips.org Cc: Fuxin Zhang Cc: Zhangjin Wu Patchwork: https://patchwork.linux-mips.org/patch/8319/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/cpu-probe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 94c4a0c..08dc945 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -765,7 +765,6 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) break; case PRID_REV_LOONGSON3A: c->cputype = CPU_LOONGSON3; - c->writecombine = _CACHE_UNCACHED_ACCELERATED; __cpu_name[cpu] = "ICT Loongson-3"; set_elf_platform(cpu, "loongson3a"); break; @@ -782,6 +781,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) MIPS_CPU_FPU | MIPS_CPU_LLSC | MIPS_CPU_32FPR; c->tlbsize = 64; + c->writecombine = _CACHE_UNCACHED_ACCELERATED; break; case PRID_IMP_LOONGSON_32: /* Loongson-1 */ decode_configs(c); -- 2.7.4