From: Christoph Hellwig <hch@lst.de>
Date: Tue, 3 Apr 2018 14:43:51 +0000 (+0200)
Subject: arm: don't build swiotlb by default
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f21254cdd147d703ed9b79382cab8aff5a966397;p=linux.git

arm: don't build swiotlb by default

swiotlb is only used as a library of helper for xen-swiotlb if Xen support
is enabled on arm, so don't build it by default.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 924ccac1836b3..4a176c369ab71 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1773,7 +1773,7 @@ config SECCOMP
 	  defined by each seccomp mode.
 
 config SWIOTLB
-	def_bool y
+	bool
 
 config PARAVIRT
 	bool "Enable paravirtualization code"
@@ -1806,6 +1806,7 @@ config XEN
 	depends on MMU
 	select ARCH_DMA_ADDR_T_64BIT
 	select ARM_PSCI
+	select SWIOTLB
 	select SWIOTLB_XEN
 	select PARAVIRT
 	help