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

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>

diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c
index e814a36..6f8b446 100644 (file)
--- a/drivers/i2c/busses/i2c-pnx.c
+++ b/drivers/i2c/busses/i2c-pnx.c
@@ -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;
 }