From: Ulf Hansson <[email protected]> Do proper error handling for clk and make sure clocks are being prepared|unprepared as well as enabled|disabled.
Signed-off-by: Ulf Hansson <[email protected]> --- drivers/input/keyboard/nomadik-ske-keypad.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/input/keyboard/nomadik-ske-keypad.c b/drivers/input/keyboard/nomadik-ske-keypad.c index 49f5fa6..95dcc9b 100644 --- a/drivers/input/keyboard/nomadik-ske-keypad.c +++ b/drivers/input/keyboard/nomadik-ske-keypad.c @@ -287,14 +287,19 @@ static int __init ske_keypad_probe(struct platform_device *pdev) keypad->keymap, input); if (error) { dev_err(&pdev->dev, "Failed to build keymap\n"); - goto err_iounmap; + goto err_clk; } input_set_capability(input, EV_MSC, MSC_SCAN); if (!plat->no_autorepeat) __set_bit(EV_REP, input->evbit); - clk_enable(keypad->clk); + error = clk_prepare_enable(keypad->clk); + if (error) { + dev_err(&pdev->dev, "Failed to prepare/enable clk\n"); + goto err_clk; + } + /* go through board initialization helpers */ if (keypad->board->init) @@ -330,7 +335,8 @@ static int __init ske_keypad_probe(struct platform_device *pdev) err_free_irq: free_irq(keypad->irq, keypad); err_clk_disable: - clk_disable(keypad->clk); + clk_disable_unprepare(keypad->clk); +err_clk: clk_put(keypad->clk); err_iounmap: iounmap(keypad->reg_base); @@ -351,7 +357,7 @@ static int __devexit ske_keypad_remove(struct platform_device *pdev) input_unregister_device(keypad->input); - clk_disable(keypad->clk); + clk_disable_unprepare(keypad->clk); clk_put(keypad->clk); if (keypad->board->exit) -- 1.7.10 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
