Input: nomadik-ske-keypad - start using the apb_pclk

Previously this clock was handled internally by the clockdriver,
but now this is separate clk. So we need take care of it.

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>

diff --git a/drivers/input/keyboard/nomadik-ske-keypad.c b/drivers/input/keyboard/nomadik-ske-keypad.c
index 95dcc9b..a1a9375 100644 (file)
--- a/drivers/input/keyboard/nomadik-ske-keypad.c
+++ b/drivers/input/keyboard/nomadik-ske-keypad.c
@@ -67,6 +67,7 @@ struct ske_keypad {
        const struct ske_keypad_platform_data *board;
        unsigned short keymap[SKE_KPD_NUM_ROWS * SKE_KPD_NUM_COLS];
        struct clk *clk;
+       struct clk *pclk;
        spinlock_t ske_keypad_lock;
 };
 
@@ -271,11 +272,18 @@ static int __init ske_keypad_probe(struct platform_device *pdev)
                goto err_free_mem_region;
        }
 
+       keypad->pclk = clk_get(&pdev->dev, "apb_pclk");
+       if (IS_ERR(keypad->pclk)) {
+               dev_err(&pdev->dev, "failed to get pclk\n");
+               error = PTR_ERR(keypad->pclk);
+               goto err_iounmap;
+       }
+
        keypad->clk = clk_get(&pdev->dev, NULL);
        if (IS_ERR(keypad->clk)) {
                dev_err(&pdev->dev, "failed to get clk\n");
                error = PTR_ERR(keypad->clk);
-               goto err_iounmap;
+               goto err_pclk;
        }
 
        input->id.bustype = BUS_HOST;
@@ -294,10 +302,16 @@ static int __init ske_keypad_probe(struct platform_device *pdev)
        if (!plat->no_autorepeat)
                __set_bit(EV_REP, input->evbit);
 
+       error = clk_prepare_enable(keypad->pclk);
+       if (error) {
+               dev_err(&pdev->dev, "Failed to prepare/enable pclk\n");
+               goto err_clk;
+       }
+
        error = clk_prepare_enable(keypad->clk);
        if (error) {
                dev_err(&pdev->dev, "Failed to prepare/enable clk\n");
-               goto err_clk;
+               goto err_pclk_disable;
        }
 
 
@@ -336,8 +350,12 @@ err_free_irq:
        free_irq(keypad->irq, keypad);
 err_clk_disable:
        clk_disable_unprepare(keypad->clk);
+err_pclk_disable:
+       clk_disable_unprepare(keypad->pclk);
 err_clk:
        clk_put(keypad->clk);
+err_pclk:
+       clk_put(keypad->pclk);
 err_iounmap:
        iounmap(keypad->reg_base);
 err_free_mem_region: