i2c: designware: Add clk_{un}prepare() support
clk_{un}prepare is mandatory for platforms using common clock framework. Since
this driver is used by SPEAr platform, which supports common clock framework,
add clk_{un}prepare() support for designware i2c.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index f08d024..0506fef 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -96,7 +96,7 @@
r = -ENODEV;
goto err_free_mem;
}
- clk_enable(dev->clk);
+ clk_prepare_enable(dev->clk);
dev->functionality =
I2C_FUNC_I2C |
@@ -156,7 +156,7 @@
err_iounmap:
iounmap(dev->base);
err_unuse_clocks:
- clk_disable(dev->clk);
+ clk_disable_unprepare(dev->clk);
clk_put(dev->clk);
dev->clk = NULL;
err_free_mem:
@@ -178,7 +178,7 @@
i2c_del_adapter(&dev->adapter);
put_device(&pdev->dev);
- clk_disable(dev->clk);
+ clk_disable_unprepare(dev->clk);
clk_put(dev->clk);
dev->clk = NULL;
@@ -205,7 +205,7 @@
struct platform_device *pdev = to_platform_device(dev);
struct dw_i2c_dev *i_dev = platform_get_drvdata(pdev);
- clk_disable(i_dev->clk);
+ clk_disable_unprepare(i_dev->clk);
return 0;
}
@@ -215,7 +215,7 @@
struct platform_device *pdev = to_platform_device(dev);
struct dw_i2c_dev *i_dev = platform_get_drvdata(pdev);
- clk_enable(i_dev->clk);
+ clk_prepare_enable(i_dev->clk);
i2c_dw_init(i_dev);
return 0;