diff options
Diffstat (limited to 'arch/sh/mm/cache.c')
| -rw-r--r-- | arch/sh/mm/cache.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index a2dc7f9ecc5..e9415d3ea94 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -27,8 +27,11 @@ void (*local_flush_icache_page)(void *args) = cache_noop; void (*local_flush_cache_sigtramp)(void *args) = cache_noop; void (*__flush_wback_region)(void *start, int size); +EXPORT_SYMBOL(__flush_wback_region); void (*__flush_purge_region)(void *start, int size); +EXPORT_SYMBOL(__flush_purge_region); void (*__flush_invalidate_region)(void *start, int size); +EXPORT_SYMBOL(__flush_invalidate_region); static inline void noop__flush_region(void *start, int size) { @@ -161,14 +164,21 @@ void flush_cache_all(void) { cacheop_on_each_cpu(local_flush_cache_all, NULL, 1); } +EXPORT_SYMBOL(flush_cache_all); void flush_cache_mm(struct mm_struct *mm) { + if (boot_cpu_data.dcache.n_aliases == 0) + return; + cacheop_on_each_cpu(local_flush_cache_mm, mm, 1); } void flush_cache_dup_mm(struct mm_struct *mm) { + if (boot_cpu_data.dcache.n_aliases == 0) + return; + cacheop_on_each_cpu(local_flush_cache_dup_mm, mm, 1); } @@ -195,11 +205,13 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start, cacheop_on_each_cpu(local_flush_cache_range, (void *)&data, 1); } +EXPORT_SYMBOL(flush_cache_range); void flush_dcache_page(struct page *page) { cacheop_on_each_cpu(local_flush_dcache_page, page, 1); } +EXPORT_SYMBOL(flush_dcache_page); void flush_icache_range(unsigned long start, unsigned long end) { @@ -265,7 +277,11 @@ static void __init emit_cache_params(void) void __init cpu_cache_init(void) { - unsigned int cache_disabled = !(__raw_readl(CCR) & CCR_CACHE_ENABLE); + unsigned int cache_disabled = 0; + +#ifdef CCR + cache_disabled = !(__raw_readl(CCR) & CCR_CACHE_ENABLE); +#endif compute_alias(&boot_cpu_data.icache); compute_alias(&boot_cpu_data.dcache); |