diff options
Diffstat (limited to 'arch/sh/mm/consistent.c')
| -rw-r--r-- | arch/sh/mm/consistent.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index c86a085..40733a9 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -38,11 +38,12 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t size, void *ret, *ret_nocache; int order = get_order(size); + gfp |= __GFP_ZERO; + ret = (void *)__get_free_pages(gfp, order); if (!ret) return NULL; - memset(ret, 0, size); /* * Pages from the page allocator may have data present in * cache. So flush the cache before using uncached memory. @@ -78,21 +79,20 @@ void dma_generic_free_coherent(struct device *dev, size_t size, void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { -#if defined(CONFIG_CPU_SH5) || defined(CONFIG_PMB) - void *p1addr = vaddr; -#else - void *p1addr = (void*) P1SEGADDR((unsigned long)vaddr); -#endif + void *addr; + + addr = __in_29bit_mode() ? + (void *)P1SEGADDR((unsigned long)vaddr) : vaddr; switch (direction) { case DMA_FROM_DEVICE: /* invalidate only */ - __flush_invalidate_region(p1addr, size); + __flush_invalidate_region(addr, size); break; case DMA_TO_DEVICE: /* writeback only */ - __flush_wback_region(p1addr, size); + __flush_wback_region(addr, size); break; case DMA_BIDIRECTIONAL: /* writeback and invalidate */ - __flush_purge_region(p1addr, size); + __flush_purge_region(addr, size); break; default: BUG(); |
