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Commit a73090ff authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Disable unsupportable prefetching on SH-3. 



The SH-3 does not support 'pref'-based prefetching, only SH-2A and SH-4A
parts do. Remove SH-3 from the list.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 0197f21c

arch/sh/include/asm/processor_32.h

+1 −2
Original line number Diff line number Diff line
@@ -191,8 +191,7 @@ extern unsigned long get_wchan(struct task_struct *p); 


#define user_stack_pointer(_regs)	((_regs)->regs[15])



#if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH3) || \

    defined(CONFIG_CPU_SH4)

#if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH4)

#define PREFETCH_STRIDE		L1_CACHE_BYTES

#define ARCH_HAS_PREFETCH

#define ARCH_HAS_PREFETCHW