diff options
| author | Ulf Hansson <ulf.hansson@linaro.org> | 2012-11-03 12:16:51 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-11-08 09:13:06 -0800 |
| commit | 4e99aab78ab2adf7645b7f58b2b549e6ea205dd7 (patch) | |
| tree | e8af020f731ad00b8cdc530414ca18625b79b423 | |
| parent | 6afdc289c984451a6202a687fe6af727e051a784 (diff) | |
Input: nomadik-ske-keypad - fixup use of clk
Do proper error handling for clk and make sure clocks are being
prepared|unprepared as well as enabled|disabled.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| -rw-r--r-- | drivers/input/keyboard/nomadik-ske-keypad.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/input/keyboard/nomadik-ske-keypad.c b/drivers/input/keyboard/nomadik-ske-keypad.c index 49f5fa64e0b1..95dcc9bdeec3 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) |