diff options
Diffstat (limited to 'drivers/gpio/gpio-timberdale.c')
| -rw-r--r-- | drivers/gpio/gpio-timberdale.c | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c index a6de10c52..85ed608c2 100644 --- a/drivers/gpio/gpio-timberdale.c +++ b/drivers/gpio/gpio-timberdale.c @@ -237,12 +237,6 @@ static int timbgpio_probe(struct platform_device *pdev) return -EINVAL; } - iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!iomem) { - dev_err(dev, "Unable to get resource\n"); - return -EINVAL; - } - tgpio = devm_kzalloc(dev, sizeof(struct timbgpio), GFP_KERNEL); if (!tgpio) { dev_err(dev, "Memory alloc failed\n"); @@ -252,17 +246,10 @@ static int timbgpio_probe(struct platform_device *pdev) spin_lock_init(&tgpio->lock); - if (!devm_request_mem_region(dev, iomem->start, resource_size(iomem), - DRIVER_NAME)) { - dev_err(dev, "Region already claimed\n"); - return -EBUSY; - } - - tgpio->membase = devm_ioremap(dev, iomem->start, resource_size(iomem)); - if (!tgpio->membase) { - dev_err(dev, "Cannot ioremap\n"); - return -ENOMEM; - } + iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + tgpio->membase = devm_ioremap_resource(dev, iomem); + if (IS_ERR(tgpio->membase)) + return PTR_ERR(tgpio->membase); gc = &tgpio->gpio; @@ -279,7 +266,7 @@ static int timbgpio_probe(struct platform_device *pdev) gc->ngpio = pdata->nr_pins; gc->can_sleep = false; - err = gpiochip_add_data(gc, tgpio); + err = devm_gpiochip_add_data(&pdev->dev, gc, tgpio); if (err) return err; @@ -320,8 +307,6 @@ static int timbgpio_remove(struct platform_device *pdev) irq_set_handler_data(irq, NULL); } - gpiochip_remove(&tgpio->gpio); - return 0; } |