summaryrefslogtreecommitdiff
path: root/arch/mips/include/asm
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2018-06-15 14:08:32 +0300
committerPaul Burton <paul.burton@mips.com>2018-06-24 19:26:02 +0300
commit7e4dbdc11261bd7aaa18051247d01429e0b7cd03 (patch)
tree6f6fdee653e23514ca13b7fb715adeca5d8bfe62 /arch/mips/include/asm
parent972dc3b79f421b5ae553b1073708cbd0d4da4a91 (diff)
downloadlinux-7e4dbdc11261bd7aaa18051247d01429e0b7cd03.tar.xz
MIPS: remove CONFIG_DMA_COHERENT
We can just check for !CONFIG_DMA_NONCOHERENT instead and simplify things a lot. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/19530/ Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: David Daney <david.daney@cavium.com> Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: Tom Bogendoerfer <tsbogend@alpha.franken.de> Cc: Huacai Chen <chenhc@lemote.com> Cc: iommu@lists.linux-foundation.org Cc: linux-mips@linux-mips.org
Diffstat (limited to 'arch/mips/include/asm')
-rw-r--r--arch/mips/include/asm/dma-coherence.h6
-rw-r--r--arch/mips/include/asm/mach-generic/kmalloc.h3
2 files changed, 4 insertions, 5 deletions
diff --git a/arch/mips/include/asm/dma-coherence.h b/arch/mips/include/asm/dma-coherence.h
index 72d0eab02afc..8eda48748ed5 100644
--- a/arch/mips/include/asm/dma-coherence.h
+++ b/arch/mips/include/asm/dma-coherence.h
@@ -21,10 +21,10 @@ enum coherent_io_user_state {
extern enum coherent_io_user_state coherentio;
extern int hw_coherentio;
#else
-#ifdef CONFIG_DMA_COHERENT
-#define coherentio IO_COHERENCE_ENABLED
-#else
+#ifdef CONFIG_DMA_NONCOHERENT
#define coherentio IO_COHERENCE_DISABLED
+#else
+#define coherentio IO_COHERENCE_ENABLED
#endif
#define hw_coherentio 0
#endif /* CONFIG_DMA_MAYBE_COHERENT */
diff --git a/arch/mips/include/asm/mach-generic/kmalloc.h b/arch/mips/include/asm/mach-generic/kmalloc.h
index 74207c7bd00d..649a98338886 100644
--- a/arch/mips/include/asm/mach-generic/kmalloc.h
+++ b/arch/mips/include/asm/mach-generic/kmalloc.h
@@ -2,8 +2,7 @@
#ifndef __ASM_MACH_GENERIC_KMALLOC_H
#define __ASM_MACH_GENERIC_KMALLOC_H
-
-#ifndef CONFIG_DMA_COHERENT
+#ifdef CONFIG_DMA_NONCOHERENT
/*
* Total overkill for most systems but need as a safe default.
* Set this one if any device in the system might do non-coherent DMA.