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Commit f6762ced authored by Jun Gao's avatar Jun Gao Committed by Wolfram Sang
Browse files

i2c: mediatek: Enable i2c module clock before i2c registers access. 



Make sure i2c module clock has been enabled before i2c registers
access.

Signed-off-by: default avatarJun Gao <jun.gao@mediatek.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 5a10e7d7

drivers/i2c/busses/i2c-mt65xx.c

+9 −0
Original line number Diff line number Diff line
@@ -861,10 +861,19 @@ static int mtk_i2c_remove(struct platform_device *pdev) 
#ifdef CONFIG_PM_SLEEP

static int mtk_i2c_resume(struct device *dev)

{

	int ret;

	struct mtk_i2c *i2c = dev_get_drvdata(dev);



	ret = mtk_i2c_clock_enable(i2c);

	if (ret) {

		dev_err(dev, "clock enable failed!\n");

		return ret;

	}



	mtk_i2c_init_hw(i2c);



	mtk_i2c_clock_disable(i2c);



	return 0;

}

#endif