diff options
Diffstat (limited to 'drivers/input/keyboard/sh_keysc.c')
| -rw-r--r-- | drivers/input/keyboard/sh_keysc.c | 53 |
1 files changed, 22 insertions, 31 deletions
diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c index d7dafd9425b6..834cf98e7efb 100644 --- a/drivers/input/keyboard/sh_keysc.c +++ b/drivers/input/keyboard/sh_keysc.c @@ -20,7 +20,7 @@ #include <linux/input.h> #include <linux/input/sh_keysc.h> #include <linux/bitmap.h> -#include <linux/clk.h> +#include <linux/pm_runtime.h> #include <linux/io.h> #include <linux/slab.h> @@ -37,7 +37,6 @@ static const struct { struct sh_keysc_priv { void __iomem *iomem_base; - struct clk *clk; DECLARE_BITMAP(last_keys, SH_KEYSC_MAXKEYS); struct input_dev *input; struct sh_keysc_info pdata; @@ -169,7 +168,6 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev) struct sh_keysc_info *pdata; struct resource *res; struct input_dev *input; - char clk_name[8]; int i; int irq, error; @@ -210,19 +208,11 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev) goto err1; } - snprintf(clk_name, sizeof(clk_name), "keysc%d", pdev->id); - priv->clk = clk_get(&pdev->dev, clk_name); - if (IS_ERR(priv->clk)) { - dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name); - error = PTR_ERR(priv->clk); - goto err2; - } - priv->input = input_allocate_device(); if (!priv->input) { dev_err(&pdev->dev, "failed to allocate input device\n"); error = -ENOMEM; - goto err3; + goto err2; } input = priv->input; @@ -241,10 +231,11 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev) input->keycodesize = sizeof(pdata->keycodes[0]); input->keycodemax = ARRAY_SIZE(pdata->keycodes); - error = request_irq(irq, sh_keysc_isr, 0, pdev->name, pdev); + error = request_threaded_irq(irq, NULL, sh_keysc_isr, IRQF_ONESHOT, + dev_name(&pdev->dev), pdev); if (error) { dev_err(&pdev->dev, "failed to request IRQ\n"); - goto err4; + goto err3; } for (i = 0; i < SH_KEYSC_MAXKEYS; i++) @@ -254,10 +245,11 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev) error = input_register_device(input); if (error) { dev_err(&pdev->dev, "failed to register input device\n"); - goto err5; + goto err4; } - clk_enable(priv->clk); + pm_runtime_enable(&pdev->dev); + pm_runtime_get_sync(&pdev->dev); sh_keysc_write(priv, KYCR1, (sh_keysc_mode[pdata->mode].kymd << 8) | pdata->scan_timing); @@ -267,12 +259,10 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev) return 0; - err5: - free_irq(irq, pdev); err4: - input_free_device(input); + free_irq(irq, pdev); err3: - clk_put(priv->clk); + input_free_device(input); err2: iounmap(priv->iomem_base); err1: @@ -292,8 +282,8 @@ static int __devexit sh_keysc_remove(struct platform_device *pdev) free_irq(platform_get_irq(pdev, 0), pdev); iounmap(priv->iomem_base); - clk_disable(priv->clk); - clk_put(priv->clk); + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); platform_set_drvdata(pdev, NULL); kfree(priv); @@ -301,6 +291,7 @@ static int __devexit sh_keysc_remove(struct platform_device *pdev) return 0; } +#if CONFIG_PM_SLEEP static int sh_keysc_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); @@ -311,14 +302,13 @@ static int sh_keysc_suspend(struct device *dev) value = sh_keysc_read(priv, KYCR1); if (device_may_wakeup(dev)) { - value |= 0x80; + sh_keysc_write(priv, KYCR1, value | 0x80); enable_irq_wake(irq); } else { - value &= ~0x80; + sh_keysc_write(priv, KYCR1, value & ~0x80); + pm_runtime_put_sync(dev); } - sh_keysc_write(priv, KYCR1, value); - return 0; } @@ -329,16 +319,17 @@ static int sh_keysc_resume(struct device *dev) if (device_may_wakeup(dev)) disable_irq_wake(irq); + else + pm_runtime_get_sync(dev); return 0; } +#endif -static const struct dev_pm_ops sh_keysc_dev_pm_ops = { - .suspend = sh_keysc_suspend, - .resume = sh_keysc_resume, -}; +static SIMPLE_DEV_PM_OPS(sh_keysc_dev_pm_ops, + sh_keysc_suspend, sh_keysc_resume); -struct platform_driver sh_keysc_device_driver = { +static struct platform_driver sh_keysc_device_driver = { .probe = sh_keysc_probe, .remove = __devexit_p(sh_keysc_remove), .driver = { |