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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>
This commit is contained in:
Vipul Kumar Samar 2012-11-26 08:50:08 -08:00 committed by Dmitry Torokhov
parent 92aab96034
commit 9336648978
1 changed files with 10 additions and 0 deletions
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10
drivers/input/keyboard/spear-keyboard.c
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@ -267,9 +267,14 @@ static int spear_kbd_probe(struct platform_device *pdev)
return error;
}
error = clk_prepare(kbd->clk);
if (error)
return error;
error = input_register_device(input_dev);
if (error) {
dev_err(&pdev->dev, "Unable to register keyboard device\n");
clk_unprepare(kbd->clk);
return error;
}
@ -281,6 +286,11 @@ static int spear_kbd_probe(struct platform_device *pdev)
static int spear_kbd_remove(struct platform_device *pdev)
{
struct spear_kbd *kbd = platform_get_drvdata(pdev);
input_unregister_device(kbd->input);
clk_unprepare(kbd->clk);
device_init_wakeup(&pdev->dev, 0);
platform_set_drvdata(pdev, NULL);