From d852f9597359babcc3f6b328cefc151ab6995d00 Mon Sep 17 00:00:00 2001 From: Ulf Hansson Date: Sat, 3 Nov 2012 12:16:55 -0700 Subject: [PATCH] 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 Acked-by: Linus Walleij Signed-off-by: Dmitry Torokhov --- drivers/input/keyboard/nomadik-ske-keypad.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/drivers/input/keyboard/nomadik-ske-keypad.c b/drivers/input/keyboard/nomadik-ske-keypad.c index 95dcc9b..a1a9375 100644 --- 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: -- 2.7.4