leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

sparc/leon: Make mmu_inval_dma_area flush dcache for LEONs without snooping enabled.

Browse Source 
Signed-off-by: Kristoffer Glembo <kristoffer@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kristoffer Glembo 2011-01-18 04:10:27 +00:00 committed by David S. Miller
parent 1830474696
commit 1b19274083
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
arch/sparc/kernel/ioport.c
View File

@ -50,10 +50,14 @@
#include <asm/io-unit.h>
#include <asm/leon.h>
#ifdef CONFIG_SPARC_LEON
#define mmu_inval_dma_area(p, l) leon_flush_dcache_all()
#else
#ifndef CONFIG_SPARC_LEON
#define mmu_inval_dma_area(p, l) /* Anton pulled it out for 2.4.0-xx */
#else
static inline void mmu_inval_dma_area(unsigned long va, unsigned long len)
{
if (!sparc_leon3_snooping_enabled())
leon_flush_dcache_all();
}
#endif
static struct resource *_sparc_find_resource(struct resource *r,