From 11ddce15451eb5e3cb2c951dc5c8d86a2802017a Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Wed, 13 Feb 2019 08:01:22 +0100
Subject: dma-mapping, powerpc: simplify the arch dma_set_mask override

Instead of letting the architecture supply all of dma_set_mask just
give it an additional hook selected by Kconfig.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
 kernel/dma/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'kernel/dma/Kconfig')

diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig
index ca88b867e7fe..0711d18645de 100644
--- a/kernel/dma/Kconfig
+++ b/kernel/dma/Kconfig
@@ -16,6 +16,9 @@ config ARCH_DMA_ADDR_T_64BIT
 config ARCH_HAS_DMA_COHERENCE_H
 	bool
 
+config ARCH_HAS_DMA_SET_MASK
+	bool
+
 config HAVE_GENERIC_DMA_COHERENT
 	bool
 
-- 
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