From: Thomas Abraham Date: Thu, 4 Oct 2012 07:03:49 +0000 (-0700) Subject: Input: samsung-keypad - add clk_prepare and clk_unprepare X-Git-Tag: firefly_0821_release~176^2~541^2~314^2~5 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;ds=inline;h=aba828cee24f48bc93a661aaa18caea301786f3e;p=firefly-linux-kernel-4.4.55.git Input: samsung-keypad - add clk_prepare and clk_unprepare Add calls to clk_prepare and clk_unprepare as required by commom clock framework. Signed-off-by: Thomas Abraham Signed-off-by: Dmitry Torokhov --- diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c index 277e26dc910e..9d7a111486f7 100644 --- a/drivers/input/keyboard/samsung-keypad.c +++ b/drivers/input/keyboard/samsung-keypad.c @@ -431,6 +431,12 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev) goto err_unmap_base; } + error = clk_prepare(keypad->clk); + if (error) { + dev_err(&pdev->dev, "keypad clock prepare failed\n"); + goto err_put_clk; + } + keypad->input_dev = input_dev; keypad->pdev = pdev; keypad->row_shift = row_shift; @@ -461,7 +467,7 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev) keypad->keycodes, input_dev); if (error) { dev_err(&pdev->dev, "failed to build keymap\n"); - goto err_put_clk; + goto err_unprepare_clk; } input_set_capability(input_dev, EV_MSC, MSC_SCAN); @@ -503,6 +509,8 @@ err_free_irq: pm_runtime_disable(&pdev->dev); device_init_wakeup(&pdev->dev, 0); platform_set_drvdata(pdev, NULL); +err_unprepare_clk: + clk_unprepare(keypad->clk); err_put_clk: clk_put(keypad->clk); samsung_keypad_dt_gpio_free(keypad); @@ -531,6 +539,7 @@ static int __devexit samsung_keypad_remove(struct platform_device *pdev) */ free_irq(keypad->irq, keypad); + clk_unprepare(keypad->clk); clk_put(keypad->clk); samsung_keypad_dt_gpio_free(keypad);