linux-kernel - [PATCH] mmc: MMC_MTK should depend on HAS

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Message-Id: <1435320566-5069-1-git-send-email-geert@linux-m68k.org>
Date:	Fri, 26 Jun 2015 14:09:26 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Ulf Hansson <ulf.hansson@...aro.org>,
	Chaotian Jing <chaotian.jing@...iatek.com>
Cc:	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH] mmc: MMC_MTK should depend on HAS_DMA

If NO_DMA=y:

    ERROR: "dma_alloc_coherent" [drivers/mmc/host/mtk-sd.ko] undefined!
    ERROR: "dma_unmap_sg" [drivers/mmc/host/mtk-sd.ko] undefined!
    ERROR: "dma_map_sg" [drivers/mmc/host/mtk-sd.ko] undefined!
    ERROR: "dma_free_coherent" [drivers/mmc/host/mtk-sd.ko] undefined!

Add a dependency on HAS_DMA to fix this.

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
---
 drivers/mmc/host/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index fd9a58e216a50ffd..6a0f9c79be2652bd 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -779,6 +779,7 @@ config MMC_TOSHIBA_PCI
 
 config MMC_MTK
 	tristate "MediaTek SD/MMC Card Interface support"
+	depends on HAS_DMA
 	help
 	  This selects the MediaTek(R) Secure digital and Multimedia card Interface.
 	  If you have a machine with a integrated SD/MMC card reader, say Y or M here.
-- 
1.9.1

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