linux-kernel - [PATCH] iommu: mtk: add common-clk dependency

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Date:   Wed, 16 Nov 2016 16:28:13 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Joerg Roedel <joro@...tes.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Shunli Wang <shunli.wang@...iatek.com>,
        James Liao <jamesjj.liao@...iatek.com>,
        Erin Lo <erin.lo@...iatek.com>,
        John Crispin <blogic@...nwrt.org>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Arnd Bergmann <arnd@...db.de>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH] iommu: mtk: add common-clk dependency

After the MT2701 clock driver was added, we get a harmless warning for
the iommu driver that selects it, when compile-testing without
COMMON_CLK.

warning: (MTK_IOMMU_V1) selects COMMON_CLK_MT2701_IMGSYS which has unmet direct dependencies (COMMON_CLK)

Adding a dependency on COMMON_CLK avoids the warning.

Fixes: e9862118272a ("clk: mediatek: Add MT2701 clock support")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/iommu/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 8ee54d71c7eb..bb537d06d319 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -346,7 +346,7 @@ config MTK_IOMMU
 
 config MTK_IOMMU_V1
 	bool "MTK IOMMU Version 1 (M4U gen1) Support"
-	depends on ARM
+	depends on ARM && COMMON_CLK
 	depends on ARCH_MEDIATEK || COMPILE_TEST
 	select ARM_DMA_USE_IOMMU
 	select IOMMU_API
-- 
2.9.0