From 972dc3b79f421b5ae553b1073708cbd0d4da4a91 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 15 Jun 2018 13:08:31 +0200 Subject: MIPS: simplify CONFIG_DMA_NONCOHERENT ifdefs CONFIG_DMA_MAYBE_COHERENT already selects CONFIG_DMA_NONCOHERENT, so we can remove the extra conditions. Signed-off-by: Christoph Hellwig Reviewed-by: Paul Burton Patchwork: https://patchwork.linux-mips.org/patch/19529/ Signed-off-by: Paul Burton Cc: Florian Fainelli Cc: David Daney Cc: Kevin Cernekee Cc: Jiaxun Yang Cc: Tom Bogendoerfer Cc: Huacai Chen Cc: iommu@lists.linux-foundation.org Cc: linux-mips@linux-mips.org --- arch/mips/include/asm/io.h | 4 ++-- arch/mips/mm/c-r4k.c | 4 ++-- arch/mips/mm/cache.c | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) (limited to 'arch/mips') diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index cea8ad864b3f..a363d5fa281f 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -590,7 +590,7 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int * * This API used to be exported; it now is for arch code internal use only. */ -#if defined(CONFIG_DMA_NONCOHERENT) || defined(CONFIG_DMA_MAYBE_COHERENT) +#ifdef CONFIG_DMA_NONCOHERENT extern void (*_dma_cache_wback_inv)(unsigned long start, unsigned long size); extern void (*_dma_cache_wback)(unsigned long start, unsigned long size); @@ -609,7 +609,7 @@ extern void (*_dma_cache_inv)(unsigned long start, unsigned long size); #define dma_cache_inv(start,size) \ do { (void) (start); (void) (size); } while (0) -#endif /* CONFIG_DMA_NONCOHERENT || CONFIG_DMA_MAYBE_COHERENT */ +#endif /* CONFIG_DMA_NONCOHERENT */ /* * Read a 32-bit register that requires a 64-bit read cycle on the bus. diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index e12dfa48b478..b83ecfb2fbfc 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -830,7 +830,7 @@ static void r4k_flush_icache_user_range(unsigned long start, unsigned long end) return __r4k_flush_icache_range(start, end, true); } -#if defined(CONFIG_DMA_NONCOHERENT) || defined(CONFIG_DMA_MAYBE_COHERENT) +#ifdef CONFIG_DMA_NONCOHERENT static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size) { @@ -904,7 +904,7 @@ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size) bc_inv(addr, size); __sync(); } -#endif /* CONFIG_DMA_NONCOHERENT || CONFIG_DMA_MAYBE_COHERENT */ +#endif /* CONFIG_DMA_NONCOHERENT */ struct flush_cache_sigtramp_args { struct mm_struct *mm; diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index 0d3c656feba0..70a523151ff3 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -56,7 +56,7 @@ EXPORT_SYMBOL_GPL(local_flush_data_cache_page); EXPORT_SYMBOL(flush_data_cache_page); EXPORT_SYMBOL(flush_icache_all); -#if defined(CONFIG_DMA_NONCOHERENT) || defined(CONFIG_DMA_MAYBE_COHERENT) +#ifdef CONFIG_DMA_NONCOHERENT /* DMA cache operations. */ void (*_dma_cache_wback_inv)(unsigned long start, unsigned long size); @@ -65,7 +65,7 @@ void (*_dma_cache_inv)(unsigned long start, unsigned long size); EXPORT_SYMBOL(_dma_cache_wback_inv); -#endif /* CONFIG_DMA_NONCOHERENT || CONFIG_DMA_MAYBE_COHERENT */ +#endif /* CONFIG_DMA_NONCOHERENT */ /* * We could optimize the case where the cache argument is not BCACHE but -- cgit v1.2.3-55-g7522