ARM: add size argument to __cpuc_flush_dcache_page

... and rename the function since it no longer operates on just
pages.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 6 insertions, 5 deletions

diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S
index 295e25dd6381..4ba0a24ce6f5 100644
--- a/arch/arm/mm/cache-v6.S
+++ b/arch/arm/mm/cache-v6.S
@@ -159,15 +159,16 @@ ENDPROC(v6_coherent_user_range)
 ENDPROC(v6_coherent_kern_range)
 
 /*
- *      v6_flush_kern_dcache_page(kaddr)
+ *      v6_flush_kern_dcache_area(void *addr, size_t size)
  *
  *      Ensure that the data held in the page kaddr is written back
  *      to the page in question.
  *
- *      - kaddr   - kernel address (guaranteed to be page aligned)
+ *      - addr  - kernel address
+ *      - size  - region size
  */
-ENTRY(v6_flush_kern_dcache_page)
-        add     r1, r0, #PAGE_SZ
+ENTRY(v6_flush_kern_dcache_area)
+        add     r1, r0, r1
 1:
 #ifdef HARVARD_CACHE
         mcr     p15, 0, r0, c7, c14, 1          @ clean & invalidate D line
@@ -271,7 +272,7 @@ ENTRY(v6_cache_fns)
         .long   v6_flush_user_cache_range
         .long   v6_coherent_kern_range
         .long   v6_coherent_user_range
-        .long   v6_flush_kern_dcache_page
+        .long   v6_flush_kern_dcache_area
         .long   v6_dma_inv_range
         .long   v6_dma_clean_range
         .long   v6_dma_flush_range