Unverified Commit bc633559 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
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!12350 i2c: stm32f7: Do not prepare/unprepare clock during runtime suspend/resume 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yipeng Zou <zouyipeng@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/LLWDSRR67W24ETWOMDUJP46FPIZXQSLJ/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYRCQ 
 
Link:https://gitee.com/openeuler/kernel/pulls/12350

 

Reviewed-by: default avatarZhang Jianhua <chris.zjh@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 5028521f b394dc9c

drivers/i2c/busses/i2c-stm32f7.c

+3 −3
Original line number Diff line number Diff line
@@ -2278,7 +2278,7 @@ static int __maybe_unused stm32f7_i2c_runtime_suspend(struct device *dev) 
	struct stm32f7_i2c_dev *i2c_dev = dev_get_drvdata(dev);



	if (!stm32f7_i2c_is_slave_registered(i2c_dev))

		clk_disable_unprepare(i2c_dev->clk);

		clk_disable(i2c_dev->clk);



	return 0;

}
@@ -2289,9 +2289,9 @@ static int __maybe_unused stm32f7_i2c_runtime_resume(struct device *dev) 
	int ret;



	if (!stm32f7_i2c_is_slave_registered(i2c_dev)) {

		ret = clk_prepare_enable(i2c_dev->clk);

		ret = clk_enable(i2c_dev->clk);

		if (ret) {

			dev_err(dev, "failed to prepare_enable clock\n");

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

			return ret;

		}

	}