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>
diff --git a/arch/arm/mm/proc-mohawk.S b/arch/arm/mm/proc-mohawk.S
index 52b5fd7..9674d36 100644
--- a/arch/arm/mm/proc-mohawk.S
+++ b/arch/arm/mm/proc-mohawk.S
@@ -186,15 +186,16 @@
 	mov	pc, lr
 
 /*
- *	flush_kern_dcache_page(void *page)
+ *	flush_kern_dcache_area(void *addr, size_t size)
  *
  *	Ensure no D cache aliasing occurs, either with itself or
  *	the I cache
  *
- *	- addr	- page aligned address
+ *	- addr	- kernel address
+ *	- size	- region size
  */
-ENTRY(mohawk_flush_kern_dcache_page)
-	add	r1, r0, #PAGE_SZ
+ENTRY(mohawk_flush_kern_dcache_area)
+	add	r1, r0, r1
 1:	mcr	p15, 0, r0, c7, c14, 1		@ clean+invalidate D entry
 	add	r0, r0, #CACHE_DLINESIZE
 	cmp	r0, r1
@@ -273,7 +274,7 @@
 	.long	mohawk_flush_user_cache_range
 	.long	mohawk_coherent_kern_range
 	.long	mohawk_coherent_user_range
-	.long	mohawk_flush_kern_dcache_page
+	.long	mohawk_flush_kern_dcache_area
 	.long	mohawk_dma_inv_range
 	.long	mohawk_dma_clean_range
 	.long	mohawk_dma_flush_range