diff options
Diffstat (limited to 'drivers/staging/android/ion/ion_cma_heap.c')
| -rw-r--r-- | drivers/staging/android/ion/ion_cma_heap.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/staging/android/ion/ion_cma_heap.c b/drivers/staging/android/ion/ion_cma_heap.c index fa3e4b7e0c9f..80df813372e4 100644 --- a/drivers/staging/android/ion/ion_cma_heap.c +++ b/drivers/staging/android/ion/ion_cma_heap.c @@ -22,6 +22,7 @@ #include <linux/cma.h> #include <linux/scatterlist.h> #include <linux/highmem.h> +#include <asm/cacheflush.h> #include "ion.h" @@ -60,12 +61,22 @@ static int ion_cma_allocate(struct ion_heap *heap, struct ion_buffer *buffer, void *vaddr = kmap_atomic(page); memset(vaddr, 0, PAGE_SIZE); +#ifdef CONFIG_ARM64 + __flush_dcache_area(vaddr,PAGE_SIZE); +#else + __cpuc_flush_dcache_area(vaddr,PAGE_SIZE); +#endif kunmap_atomic(vaddr); page++; nr_clear_pages--; } } else { memset(page_address(pages), 0, size); +#ifdef CONFIG_ARM64 + __flush_dcache_area(page_address(pages),size); +#else + __cpuc_flush_dcache_area(page_address(pages),size); +#endif } table = kmalloc(sizeof(*table), GFP_KERNEL); |