From: Huacai Chen Date: Wed, 15 Jan 2014 01:56:37 +0000 (-0800) Subject: MIPS: fix case mismatch in local_r4k_flush_icache_range() X-Git-Tag: firefly_0821_release~176^2~4676^2~4 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bad009fe354a00e6b2bf87328995ec76e59ab970;p=firefly-linux-kernel-4.4.55.git MIPS: fix case mismatch in local_r4k_flush_icache_range() Currently, Loongson-2 call protected_blast_icache_range() and others call protected_loongson23_blast_icache_range(), but I think the correct behavior should be the opposite. BTW, Loongson-3's cache-ops is compatible with MIPS64, but not compatible with Loongson-2. So, rename xxx_loongson23_yyy things to xxx_loongson2_yyy. The patch fixes early boot hang with 3.13-rc1, introduced in commit 14bd8c082016 ("MIPS: Loongson: Get rid of Loongson 2 #ifdefery all over arch/mips"). Signed-off-by: Huacai Chen Signed-off-by: Aaro Koskinen Reviewed-by: Aurelien Jarno Acked-by: John Crispin Cc: Ralf Baechle Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/arch/mips/include/asm/cacheops.h b/arch/mips/include/asm/cacheops.h index c75025f27c20..06b9bc7ea14b 100644 --- a/arch/mips/include/asm/cacheops.h +++ b/arch/mips/include/asm/cacheops.h @@ -83,6 +83,6 @@ /* * Loongson2-specific cacheops */ -#define Hit_Invalidate_I_Loongson23 0x00 +#define Hit_Invalidate_I_Loongson2 0x00 #endif /* __ASM_CACHEOPS_H */ diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h index 34d1a1917125..91d20b08246f 100644 --- a/arch/mips/include/asm/r4kcache.h +++ b/arch/mips/include/asm/r4kcache.h @@ -165,7 +165,7 @@ static inline void flush_icache_line(unsigned long addr) __iflush_prologue switch (boot_cpu_type()) { case CPU_LOONGSON2: - cache_op(Hit_Invalidate_I_Loongson23, addr); + cache_op(Hit_Invalidate_I_Loongson2, addr); break; default: @@ -219,7 +219,7 @@ static inline void protected_flush_icache_line(unsigned long addr) { switch (boot_cpu_type()) { case CPU_LOONGSON2: - protected_cache_op(Hit_Invalidate_I_Loongson23, addr); + protected_cache_op(Hit_Invalidate_I_Loongson2, addr); break; default: @@ -452,8 +452,8 @@ static inline void prot##extra##blast_##pfx##cache##_range(unsigned long start, __BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_, ) __BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_, ) __BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_, ) -__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I_Loongson23, \ - protected_, loongson23_) +__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I_Loongson2, \ + protected_, loongson2_) __BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, , ) __BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, , ) /* blast_inv_dcache_range */ diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 62ffd20ea869..73f02da61baf 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -580,11 +580,11 @@ static inline void local_r4k_flush_icache_range(unsigned long start, unsigned lo else { switch (boot_cpu_type()) { case CPU_LOONGSON2: - protected_blast_icache_range(start, end); + protected_loongson2_blast_icache_range(start, end); break; default: - protected_loongson23_blast_icache_range(start, end); + protected_blast_icache_range(start, end); break; } }