linux-kernel - [PATCH] soc: mediatek: Init MT8173 scpsys driver earlier

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Message-ID: <1445852797-15549-1-git-send-email-jamesjj.liao@mediatek.com>
Date:	Mon, 26 Oct 2015 17:46:37 +0800
From:	James Liao <jamesjj.liao@...iatek.com>
To:	<linux-arm-kernel@...ts.infradead.org>
CC:	Matthias Brugger <matthias.bgg@...il.com>,
	<srv_heupstream@...iatek.com>, Kevin Hilman <khilman@...nel.org>,
	Daniel Kurtz <djkurtz@...omium.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-mediatek@...ts.infradead.org>,
	James Liao <jamesjj.liao@...iatek.com>
Subject: [PATCH] soc: mediatek: Init MT8173 scpsys driver earlier

Some power domain comsumers may init before module_init.
So the power domain provider (scpsys) need to be initialized
earlier too.

This patch modify scpsys driver init level from module_init to
subsys_initcall.

Signed-off-by: James Liao <jamesjj.liao@...iatek.com>
---

This patch is based on v4.3-rc7.

 drivers/soc/mediatek/mtk-scpsys.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
index 164a7d8..7d5d55d 100644
--- a/drivers/soc/mediatek/mtk-scpsys.c
+++ b/drivers/soc/mediatek/mtk-scpsys.c
@@ -485,4 +485,15 @@ static struct platform_driver scpsys_drv = {
 	},
 };
 
-module_platform_driver_probe(scpsys_drv, scpsys_probe);
+static int __init scpsys_drv_init(void)
+{
+	return platform_driver_probe(&scpsys_drv, scpsys_probe);
+}
+
+static void __exit scpsys_drv_exit(void)
+{
+	platform_driver_unregister(&scpsys_drv);
+}
+
+subsys_initcall(scpsys_drv_init);
+module_exit(scpsys_drv_exit);
-- 
1.9.1

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