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i2c: pnx: fix runtime warnings caused by enabling unprepared clock

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The driver can not be used on a platform with common clock framework
until clk_prepare/clk_unprepare calls are added, otherwise clk_enable
calls will fail and a WARN is generated.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Vladimir Zapolskiy 2015-10-17 21:52:27 +03:00 committed by Wolfram Sang
parent 0729a04977
commit 5dd32eae60
1 changed files with 5 additions and 5 deletions
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10
drivers/i2c/busses/i2c-pnx.c
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@ -600,7 +600,7 @@ static int i2c_pnx_controller_suspend(struct device *dev)
{
struct i2c_pnx_algo_data *alg_data = dev_get_drvdata(dev);
clk_disable(alg_data->clk);
clk_disable_unprepare(alg_data->clk);
return 0;
}
@ -609,7 +609,7 @@ static int i2c_pnx_controller_resume(struct device *dev)
{
struct i2c_pnx_algo_data *alg_data = dev_get_drvdata(dev);
return clk_enable(alg_data->clk);
return clk_prepare_enable(alg_data->clk);
}
static SIMPLE_DEV_PM_OPS(i2c_pnx_pm,
@ -672,7 +672,7 @@ static int i2c_pnx_probe(struct platform_device *pdev)
if (IS_ERR(alg_data->ioaddr))
return PTR_ERR(alg_data->ioaddr);
ret = clk_enable(alg_data->clk);
ret = clk_prepare_enable(alg_data->clk);
if (ret)
return ret;
@ -726,7 +726,7 @@ static int i2c_pnx_probe(struct platform_device *pdev)
return 0;
out_clock:
clk_disable(alg_data->clk);
clk_disable_unprepare(alg_data->clk);
return ret;
}
@ -735,7 +735,7 @@ static int i2c_pnx_remove(struct platform_device *pdev)
struct i2c_pnx_algo_data *alg_data = platform_get_drvdata(pdev);
i2c_del_adapter(&alg_data->adapter);
clk_disable(alg_data->clk);
clk_disable_unprepare(alg_data->clk);
return 0;
}