linux-kernel - [PATCH 1/3] i2c: mediatek: Register i2c adapter driver earlier

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Date:   Sat, 7 Jul 2018 10:49:11 +0800
From:   Jun Gao <jun.gao@...iatek.com>
To:     Wolfram Sang <wsa@...-dreams.de>
CC:     <srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-i2c@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        Jun Gao <jun.gao@...iatek.com>
Subject: [PATCH 1/3] i2c: mediatek: Register i2c adapter driver earlier

From: Jun Gao <jun.gao@...iatek.com>

As i2c adapter, i2c slave devices will depend on it. In order not to
block the initializations of i2c slave devices, register i2c adapter
driver at appropriate time.

Signed-off-by: Jun Gao <jun.gao@...iatek.com>
---
 drivers/i2c/busses/i2c-mt65xx.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 1e57f58..806e8b90 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -888,7 +888,17 @@ static int mtk_i2c_resume(struct device *dev)
 	},
 };
 
-module_platform_driver(mtk_i2c_driver);
+static int __init mtk_i2c_adap_init(void)
+{
+	return platform_driver_register(&mtk_i2c_driver);
+}
+subsys_initcall(mtk_i2c_adap_init);
+
+static void __exit mtk_i2c_adap_exit(void)
+{
+	platform_driver_unregister(&mtk_i2c_driver);
+}
+module_exit(mtk_i2c_adap_exit);
 
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("MediaTek I2C Bus Driver");
-- 
1.8.1.1