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Date:   Sun,  3 Jan 2021 14:55:17 +0100
From:   Arnd Bergmann <>
To:     Chunfeng Yun <>,
        Kishon Vijay Abraham I <>,
        Vinod Koul <>,
        Matthias Brugger <>,
        Chun-Kuang Hu <>,
        Arnd Bergmann <>
Cc:     Krzysztof Kozlowski <>,
        Tiezhu Yang <>,
        Colin Ian King <>,
        CK Hu <>,,,
Subject: [PATCH] phy: mediatek: allow compile-testing the dsi phy

From: Arnd Bergmann <>

Randconfig builds show another broken dependency:

WARNING: unmet direct dependencies detected for PHY_MTK_MIPI_DSI
  Depends on [n]: ARCH_MEDIATEK [=n] && OF [=y]
  Selected by [m]:
  - DRM_MEDIATEK [=m] && HAS_IOMEM [=y] && DRM [=m] && (ARCH_MEDIATEK [=n] || ARM [=y] && COMPILE_TEST [=y]) && COMMON_CLK [=y] &&
HAVE_ARM_SMCCC [=y] && OF [=y] && MTK_MMSYS [=y]

This is similar to the hdmi driver I fixed earlier, and I guess the
common-clk bug would sooner or later also manifest here, so just use
the exact same solution I chose for the other driver, and hope that
any future drivers just copy it from here.

Fixes: 90f80d95992f ("phy: mediatek: Move mtk_mipi_dsi_phy driver into drivers/phy/mediatek folder")
Fixes: f5f6e01f9164 ("phy: mediatek: allow compile-testing the hdmi phy")
Signed-off-by: Arnd Bergmann <>
 drivers/phy/mediatek/Kconfig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/mediatek/Kconfig b/drivers/phy/mediatek/Kconfig
index d38def43b1bf..55f8e6c048ab 100644
--- a/drivers/phy/mediatek/Kconfig
+++ b/drivers/phy/mediatek/Kconfig
@@ -49,7 +49,9 @@ config PHY_MTK_HDMI
 	tristate "MediaTek MIPI-DSI Driver"
-	depends on ARCH_MEDIATEK && OF
+	depends on COMMON_CLK
+	depends on OF
 	select GENERIC_PHY
 	  Support MIPI DSI for Mediatek SoCs.

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