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Input: spear-keyboard - add clk_{un}prepare() support
clk_{un}prepare is mandatory for platforms using common clock framework. Because for SPEAr we don't do anything in clk_{un}prepare() calls, just call them once in probe/remove. Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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1 changed files with 10 additions and 0 deletions
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@ -267,9 +267,14 @@ static int spear_kbd_probe(struct platform_device *pdev)
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return error;
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}
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error = clk_prepare(kbd->clk);
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if (error)
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return error;
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error = input_register_device(input_dev);
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if (error) {
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dev_err(&pdev->dev, "Unable to register keyboard device\n");
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clk_unprepare(kbd->clk);
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return error;
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}
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@ -281,6 +286,11 @@ static int spear_kbd_probe(struct platform_device *pdev)
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static int spear_kbd_remove(struct platform_device *pdev)
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{
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struct spear_kbd *kbd = platform_get_drvdata(pdev);
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input_unregister_device(kbd->input);
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clk_unprepare(kbd->clk);
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device_init_wakeup(&pdev->dev, 0);
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platform_set_drvdata(pdev, NULL);
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