diff options
| -rw-r--r-- | drivers/gpio/gpio-em.c | 53 |
1 files changed, 19 insertions, 34 deletions
diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c index d0536973585..5cba855638b 100644 --- a/drivers/gpio/gpio-em.c +++ b/drivers/gpio/gpio-em.c @@ -245,7 +245,7 @@ static int em_gio_probe(struct platform_device *pdev) const char *name = dev_name(&pdev->dev); int ret; - p = kzalloc(sizeof(*p), GFP_KERNEL); + p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL); if (!p) { dev_err(&pdev->dev, "failed to allocate driver data\n"); ret = -ENOMEM; @@ -264,21 +264,23 @@ static int em_gio_probe(struct platform_device *pdev) if (!io[0] || !io[1] || !irq[0] || !irq[1]) { dev_err(&pdev->dev, "missing IRQ or IOMEM\n"); ret = -EINVAL; - goto err1; + goto err0; } - p->base0 = ioremap_nocache(io[0]->start, resource_size(io[0])); + p->base0 = devm_ioremap_nocache(&pdev->dev, io[0]->start, + resource_size(io[0])); if (!p->base0) { dev_err(&pdev->dev, "failed to remap low I/O memory\n"); ret = -ENXIO; - goto err1; + goto err0; } - p->base1 = ioremap_nocache(io[1]->start, resource_size(io[1])); + p->base1 = devm_ioremap_nocache(&pdev->dev, io[1]->start, + resource_size(io[1])); if (!p->base1) { dev_err(&pdev->dev, "failed to remap high I/O memory\n"); ret = -ENXIO; - goto err2; + goto err0; } if (!pdata) { @@ -289,13 +291,13 @@ static int em_gio_probe(struct platform_device *pdev) &pdata->number_of_pins)) { dev_err(&pdev->dev, "Missing ngpios OF property\n"); ret = -EINVAL; - goto err3; + goto err0; } ret = of_alias_get_id(pdev->dev.of_node, "gpio"); if (ret < 0) { dev_err(&pdev->dev, "Couldn't get OF id\n"); - goto err3; + goto err0; } pdata->gpio_base = ret * 32; /* 32 GPIOs per instance */ } @@ -327,40 +329,32 @@ static int em_gio_probe(struct platform_device *pdev) if (!p->irq_domain) { ret = -ENXIO; dev_err(&pdev->dev, "cannot initialize irq domain\n"); - goto err3; + goto err0; } - if (request_irq(irq[0]->start, em_gio_irq_handler, 0, name, p)) { + if (devm_request_irq(&pdev->dev, irq[0]->start, + em_gio_irq_handler, 0, name, p)) { dev_err(&pdev->dev, "failed to request low IRQ\n"); ret = -ENOENT; - goto err4; + goto err1; } - if (request_irq(irq[1]->start, em_gio_irq_handler, 0, name, p)) { + if (devm_request_irq(&pdev->dev, irq[1]->start, + em_gio_irq_handler, 0, name, p)) { dev_err(&pdev->dev, "failed to request high IRQ\n"); ret = -ENOENT; - goto err5; + goto err1; } ret = gpiochip_add(gpio_chip); if (ret) { dev_err(&pdev->dev, "failed to add GPIO controller\n"); - goto err6; + goto err1; } return 0; -err6: - free_irq(irq[1]->start, pdev); -err5: - free_irq(irq[0]->start, pdev); -err4: - irq_domain_remove(p->irq_domain); -err3: - iounmap(p->base1); -err2: - iounmap(p->base0); err1: - kfree(p); + irq_domain_remove(p->irq_domain); err0: return ret; } @@ -368,22 +362,13 @@ err0: static int em_gio_remove(struct platform_device *pdev) { struct em_gio_priv *p = platform_get_drvdata(pdev); - struct resource *irq[2]; int ret; ret = gpiochip_remove(&p->gpio_chip); if (ret) return ret; - irq[0] = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - irq[1] = platform_get_resource(pdev, IORESOURCE_IRQ, 1); - - free_irq(irq[1]->start, pdev); - free_irq(irq[0]->start, pdev); irq_domain_remove(p->irq_domain); - iounmap(p->base1); - iounmap(p->base0); - kfree(p); return 0; } |