CONFIG_DMA_MAYBE_COHERENT already selects CONFIG_DMA_NONCOHERENT, so we can remove the extra conditions. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- 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(-) diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index a7d0b836f2f7..6d6bdc6a48eb 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -588,7 +588,7 @@ 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); @@ -607,7 +607,7 @@ 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 6f534b209971..dcfff4f6cd88 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) { @@ -901,7 +901,7 @@ 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 -- 2.17.0