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From: Enric Balletbo i Serra <>
Cc: Collabora Kernel ML <>,,,, Anders Roxell <>,,
Subject: [PATCH] soc: mediatek: mtk-mmsys: Export ddp_dis/connect symbols
Date: Thu, 26 Mar 2020 19:27:42 +0100
Message-ID: <> (raw)

When building on arm64 with allmodconfig or CONFIG_DRM_MEDIATEK=m we see
the following error.

  ERROR: modpost: "mtk_mmsys_ddp_disconnect"
  [drivers/gpu/drm/mediatek/mediatek-drm.ko] undefined!
  ERROR: modpost: "mtk_mmsys_ddp_connect"
  [drivers/gpu/drm/mediatek/mediatek-drm.ko] undefined!

Export mtk_mmsys_ddp_connect and mtk_mmsys_ddp_disconnect symbols to be
able to be used for other modules.

Fixes: 396c3fccaf03 ("soc / drm: mediatek: Move routing control to mmsys device")
Reported-by: Anders Roxell <>
Signed-off-by: Enric Balletbo i Serra <>

 drivers/soc/mediatek/mtk-mmsys.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index 32a92ec447c5..05e322c9c301 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -259,6 +259,7 @@ void mtk_mmsys_ddp_connect(struct device *dev,
 		writel_relaxed(reg, config_regs + addr);
 void mtk_mmsys_ddp_disconnect(struct device *dev,
 			      enum mtk_ddp_comp_id cur,
@@ -279,6 +280,7 @@ void mtk_mmsys_ddp_disconnect(struct device *dev,
 		writel_relaxed(reg, config_regs + addr);
 static int mtk_mmsys_probe(struct platform_device *pdev)

             reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-26 18:27 Enric Balletbo i Serra [this message]
2020-03-27  7:19 ` Anders Roxell
2020-03-27 14:22 ` Chun-Kuang Hu
2020-03-27 17:02 ` Matthias Brugger

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