linux-kernel - [PATCH 2/2] ASoC: mediatek: fix module autoloading for OF platform drivers

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Date:   Mon, 26 Mar 2018 18:09:38 +0800
From:   <sean.wang@...iatek.com>
To:     <lgirdwood@...il.com>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>, <ryder.lee@...iatek.com>,
        <arvind.yadav.cs@...il.com>, <dolinux.peng@...il.com>
CC:     <alsa-devel@...a-project.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        "Sean Wang" <sean.wang@...iatek.com>
Subject: [PATCH 2/2] ASoC: mediatek: fix module autoloading for OF platform drivers

From: Sean Wang <sean.wang@...iatek.com>

It's required to create a modules.alias via MODULE_DEVICE_TABLE helper
for the OF platform driver. Otherwise, module autoloading cannot work.

Signed-off-by: Sean Wang <sean.wang@...iatek.com>
---
 sound/soc/mediatek/mt2701/mt2701-cs42448.c | 1 +
 sound/soc/mediatek/mt2701/mt2701-wm8960.c  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/sound/soc/mediatek/mt2701/mt2701-cs42448.c b/sound/soc/mediatek/mt2701/mt2701-cs42448.c
index f664b9d..d37a6e1a 100644
--- a/sound/soc/mediatek/mt2701/mt2701-cs42448.c
+++ b/sound/soc/mediatek/mt2701/mt2701-cs42448.c
@@ -391,6 +391,7 @@ static const struct of_device_id mt2701_cs42448_machine_dt_match[] = {
 	{.compatible = "mediatek,mt2701-cs42448-machine",},
 	{}
 };
+MODULE_DEVICE_TABLE(of, mt2701_cs42448_machine_dt_match);
 #endif
 
 static struct platform_driver mt2701_cs42448_machine = {
diff --git a/sound/soc/mediatek/mt2701/mt2701-wm8960.c b/sound/soc/mediatek/mt2701/mt2701-wm8960.c
index a137057..cbee02e 100644
--- a/sound/soc/mediatek/mt2701/mt2701-wm8960.c
+++ b/sound/soc/mediatek/mt2701/mt2701-wm8960.c
@@ -153,6 +153,7 @@ static const struct of_device_id mt2701_wm8960_machine_dt_match[] = {
 	{.compatible = "mediatek,mt2701-wm8960-machine",},
 	{}
 };
+MODULE_DEVICE_TABLE(of, mt2701_wm8960_machine_dt_match);
 #endif
 
 static struct platform_driver mt2701_wm8960_machine = {
-- 
2.7.4