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Commit 95835335 authored by Sam Ravnborg's avatar Sam Ravnborg Committed by David S. Miller
Browse files

sparc32: support leon + sun in dma_make_coherent() 



No need for two implementations - we check the cpu model.

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
parent 87e677c4

arch/sparc/kernel/ioport.c

+4 −8
Original line number Diff line number Diff line
@@ -55,17 +55,13 @@ const struct sparc32_dma_ops *sparc32_dma_ops; 
/* This function must make sure that caches and memory are coherent after DMA

 * On LEON systems without cache snooping it flushes the entire D-CACHE.

 */

#ifndef CONFIG_SPARC_LEON

static inline void dma_make_coherent(unsigned long pa, unsigned long len)

{

}

#else

static inline void dma_make_coherent(unsigned long pa, unsigned long len)

{

	if (sparc_cpu_model == sparc_leon) {

		if (!sparc_leon3_snooping_enabled())

			leon_flush_dcache_all();

	}

#endif

}



static void __iomem *_sparc_ioremap(struct resource *res, u32 bus, u32 pa, int sz);

static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys,