From: Christoph Hellwig <hch@lst.de>
Date: Wed, 18 Apr 2018 08:11:52 +0000 (+0200)
Subject: dma-mapping: simplify Kconfig dependencies
X-Git-Tag: for-linus-20180616~129^2~17
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=35ddb69cd223eea5b1c68af753ed014208b6144e;p=linux-block.git

dma-mapping: simplify Kconfig dependencies

ARCH_DMA_ADDR_T_64BIT is always true for 64-bit architectures now, so we
can skip the clause requiring it.  'n' is the default default, so no need
to explicitly state it.

Tested-by: Alexey Brodkin <abrodkin@synopsys.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/lib/Kconfig b/lib/Kconfig
index 1d84e61cccfe..6c4e9d0ce5d1 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -443,13 +443,11 @@ config IOMMU_HELPER
 
 config DMA_DIRECT_OPS
 	bool
-	depends on HAS_DMA && (!64BIT || ARCH_DMA_ADDR_T_64BIT)
-	default n
+	depends on HAS_DMA
 
 config DMA_VIRT_OPS
 	bool
-	depends on HAS_DMA && (!64BIT || ARCH_DMA_ADDR_T_64BIT)
-	default n
+	depends on HAS_DMA
 
 config SWIOTLB
 	bool