X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=arch%2Farm%2Fmm%2Fcache-v4wb.S;h=5c4055b62d976808a9660903393d501dce5a5599;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=4f7c918e6ac9b0095419ab045cb24f49c8e9f3eb;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git

diff --git a/arch/arm/mm/cache-v4wb.S b/arch/arm/mm/cache-v4wb.S
index 4f7c918e6..5c4055b62 100644
--- a/arch/arm/mm/cache-v4wb.S
+++ b/arch/arm/mm/cache-v4wb.S
@@ -121,6 +121,19 @@ ENTRY(v4wb_flush_kern_dcache_page)
  *	- end	 - virtual end address
  */
 ENTRY(v4wb_coherent_kern_range)
+	/* fall through */
+
+/*
+ *	coherent_user_range(start, end)
+ *
+ *	Ensure coherency between the Icache and the Dcache in the
+ *	region described by start.  If you have non-snooping
+ *	Harvard caches, you need to implement this function.
+ *
+ *	- start  - virtual start address
+ *	- end	 - virtual end address
+ */
+ENTRY(v4wb_coherent_user_range)
 	bic	r0, r0, #CACHE_DLINESIZE - 1
 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry
 	mcr	p15, 0, r0, c7, c6, 1		@ invalidate D entry
@@ -195,6 +208,7 @@ ENTRY(v4wb_cache_fns)
 	.long	v4wb_flush_user_cache_all
 	.long	v4wb_flush_user_cache_range
 	.long	v4wb_coherent_kern_range
+	.long	v4wb_coherent_user_range
 	.long	v4wb_flush_kern_dcache_page
 	.long	v4wb_dma_inv_range
 	.long	v4wb_dma_clean_range