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>
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@ -96,7 +96,7 @@ static int __devinit dw_i2c_probe(struct platform_device *pdev)
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r = -ENODEV;
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goto err_free_mem;
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}
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clk_enable(dev->clk);
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clk_prepare_enable(dev->clk);
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dev->functionality =
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I2C_FUNC_I2C |
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@ -156,7 +156,7 @@ err_free_irq:
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err_iounmap:
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iounmap(dev->base);
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err_unuse_clocks:
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clk_disable(dev->clk);
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clk_disable_unprepare(dev->clk);
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clk_put(dev->clk);
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dev->clk = NULL;
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err_free_mem:
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@ -178,7 +178,7 @@ static int __devexit dw_i2c_remove(struct platform_device *pdev)
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i2c_del_adapter(&dev->adapter);
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put_device(&pdev->dev);
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clk_disable(dev->clk);
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clk_disable_unprepare(dev->clk);
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clk_put(dev->clk);
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dev->clk = NULL;
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@ -205,7 +205,7 @@ static int dw_i2c_suspend(struct device *dev)
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struct platform_device *pdev = to_platform_device(dev);
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struct dw_i2c_dev *i_dev = platform_get_drvdata(pdev);
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clk_disable(i_dev->clk);
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clk_disable_unprepare(i_dev->clk);
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return 0;
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}
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@ -215,7 +215,7 @@ static int dw_i2c_resume(struct device *dev)
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struct platform_device *pdev = to_platform_device(dev);
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struct dw_i2c_dev *i_dev = platform_get_drvdata(pdev);
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clk_enable(i_dev->clk);
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clk_prepare_enable(i_dev->clk);
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i2c_dw_init(i_dev);
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return 0;
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