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Signed-off-by: Yangtao Li --- drivers/input/keyboard/sh_keysc.c | 50 +++++++++---------------------- 1 file changed, 14 insertions(+), 36 deletions(-) diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c index 2c00320f739f..388fb87f9e56 100644 --- a/drivers/input/keyboard/sh_keysc.c +++ b/drivers/input/keyboard/sh_keysc.c @@ -160,6 +160,7 @@ static irqreturn_t sh_keysc_isr(int irq, void *dev_id) static int sh_keysc_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct sh_keysc_priv *priv; struct sh_keysc_info *pdata; struct resource *res; @@ -169,44 +170,39 @@ static int sh_keysc_probe(struct platform_device *pdev) if (!dev_get_platdata(&pdev->dev)) { dev_err(&pdev->dev, "no platform data defined\n"); - error = -EINVAL; - goto err0; + return -EINVAL; } - error = -ENXIO; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res == NULL) { dev_err(&pdev->dev, "failed to get I/O memory\n"); - goto err0; + return -ENXIO; } irq = platform_get_irq(pdev, 0); if (irq < 0) - goto err0; + return irq; - priv = kzalloc(sizeof(*priv), GFP_KERNEL); + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (priv == NULL) { dev_err(&pdev->dev, "failed to allocate driver data\n"); - error = -ENOMEM; - goto err0; + return -ENOMEM; } platform_set_drvdata(pdev, priv); memcpy(&priv->pdata, dev_get_platdata(&pdev->dev), sizeof(priv->pdata)); pdata = &priv->pdata; - priv->iomem_base = ioremap(res->start, resource_size(res)); + priv->iomem_base = devm_ioremap(dev, res->start, resource_size(res)); if (priv->iomem_base == NULL) { dev_err(&pdev->dev, "failed to remap I/O memory\n"); - error = -ENXIO; - goto err1; + return -ENXIO; } - priv->input = input_allocate_device(); + priv->input = devm_input_allocate_device(dev); if (!priv->input) { dev_err(&pdev->dev, "failed to allocate input device\n"); - error = -ENOMEM; - goto err2; + return -ENOMEM; } input = priv->input; @@ -225,11 +221,11 @@ static int sh_keysc_probe(struct platform_device *pdev) input->keycodesize = sizeof(pdata->keycodes[0]); input->keycodemax = ARRAY_SIZE(pdata->keycodes); - error = request_threaded_irq(irq, NULL, sh_keysc_isr, IRQF_ONESHOT, - dev_name(&pdev->dev), pdev); + error = devm_request_threaded_irq(dev, irq, NULL, sh_keysc_isr, IRQF_ONESHOT, + dev_name(&pdev->dev), pdev); if (error) { dev_err(&pdev->dev, "failed to request IRQ\n"); - goto err3; + return error; } for (i = 0; i < SH_KEYSC_MAXKEYS; i++) @@ -239,7 +235,7 @@ static int 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 err4; + return error; } pm_runtime_enable(&pdev->dev); @@ -252,17 +248,6 @@ static int sh_keysc_probe(struct platform_device *pdev) device_init_wakeup(&pdev->dev, 1); return 0; - - err4: - free_irq(irq, pdev); - err3: - input_free_device(input); - err2: - iounmap(priv->iomem_base); - err1: - kfree(priv); - err0: - return error; } static int sh_keysc_remove(struct platform_device *pdev) @@ -270,16 +255,9 @@ static int sh_keysc_remove(struct platform_device *pdev) struct sh_keysc_priv *priv = platform_get_drvdata(pdev); sh_keysc_write(priv, KYCR2, KYCR2_IRQ_DISABLED); - - input_unregister_device(priv->input); - free_irq(platform_get_irq(pdev, 0), pdev); - iounmap(priv->iomem_base); - pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); - kfree(priv); - return 0; }