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Commit 1b192740 authored by Kristoffer Glembo's avatar Kristoffer Glembo Committed by David S. Miller
Browse files

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



Signed-off-by: default avatarKristoffer Glembo <kristoffer@gaisler.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 18304746

arch/sparc/kernel/ioport.c

+7 −3
Original line number Diff line number Diff line
@@ -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,