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sparc32: support leon + sun in dma_make_coherent()

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

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
This commit is contained in:
Sam Ravnborg 2012-05-26 04:43:29 +00:00 committed by David S. Miller
parent 87e677c412
commit 95835335a3
1 changed files with 4 additions and 8 deletions
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12
arch/sparc/kernel/ioport.c
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@ -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)
{
if (sparc_cpu_model == sparc_leon) {
if (!sparc_leon3_snooping_enabled())
leon_flush_dcache_all();
}
}
#else
static inline void dma_make_coherent(unsigned long pa, unsigned long len)
{
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,