diff options
Diffstat (limited to 'drivers/gpio/gpio-rdc321x.c')
| -rw-r--r-- | drivers/gpio/gpio-rdc321x.c | 35 |
1 files changed, 12 insertions, 23 deletions
diff --git a/drivers/gpio/gpio-rdc321x.c b/drivers/gpio/gpio-rdc321x.c index e97016af644..9fa7e53331c 100644 --- a/drivers/gpio/gpio-rdc321x.c +++ b/drivers/gpio/gpio-rdc321x.c @@ -128,30 +128,28 @@ static int rdc_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) /* * Cache the initial value of both GPIO data registers */ -static int __devinit rdc321x_gpio_probe(struct platform_device *pdev) +static int rdc321x_gpio_probe(struct platform_device *pdev) { int err; struct resource *r; struct rdc321x_gpio *rdc321x_gpio_dev; struct rdc321x_gpio_pdata *pdata; - pdata = pdev->dev.platform_data; + pdata = dev_get_platdata(&pdev->dev); if (!pdata) { dev_err(&pdev->dev, "no platform data supplied\n"); return -ENODEV; } - rdc321x_gpio_dev = kzalloc(sizeof(struct rdc321x_gpio), GFP_KERNEL); - if (!rdc321x_gpio_dev) { - dev_err(&pdev->dev, "failed to allocate private data\n"); + rdc321x_gpio_dev = devm_kzalloc(&pdev->dev, sizeof(struct rdc321x_gpio), + GFP_KERNEL); + if (!rdc321x_gpio_dev) return -ENOMEM; - } r = platform_get_resource_byname(pdev, IORESOURCE_IO, "gpio-reg1"); if (!r) { dev_err(&pdev->dev, "failed to get gpio-reg1 resource\n"); - err = -ENODEV; - goto out_free; + return -ENODEV; } spin_lock_init(&rdc321x_gpio_dev->lock); @@ -162,14 +160,14 @@ static int __devinit rdc321x_gpio_probe(struct platform_device *pdev) r = platform_get_resource_byname(pdev, IORESOURCE_IO, "gpio-reg2"); if (!r) { dev_err(&pdev->dev, "failed to get gpio-reg2 resource\n"); - err = -ENODEV; - goto out_free; + return -ENODEV; } rdc321x_gpio_dev->reg2_ctrl_base = r->start; rdc321x_gpio_dev->reg2_data_base = r->start + 0x4; rdc321x_gpio_dev->chip.label = "rdc321x-gpio"; + rdc321x_gpio_dev->chip.owner = THIS_MODULE; rdc321x_gpio_dev->chip.direction_input = rdc_gpio_direction_input; rdc321x_gpio_dev->chip.direction_output = rdc_gpio_config; rdc321x_gpio_dev->chip.get = rdc_gpio_get_value; @@ -186,26 +184,20 @@ static int __devinit rdc321x_gpio_probe(struct platform_device *pdev) rdc321x_gpio_dev->reg1_data_base, &rdc321x_gpio_dev->data_reg[0]); if (err) - goto out_drvdata; + return err; err = pci_read_config_dword(rdc321x_gpio_dev->sb_pdev, rdc321x_gpio_dev->reg2_data_base, &rdc321x_gpio_dev->data_reg[1]); if (err) - goto out_drvdata; + return err; dev_info(&pdev->dev, "registering %d GPIOs\n", rdc321x_gpio_dev->chip.ngpio); return gpiochip_add(&rdc321x_gpio_dev->chip); - -out_drvdata: - platform_set_drvdata(pdev, NULL); -out_free: - kfree(rdc321x_gpio_dev); - return err; } -static int __devexit rdc321x_gpio_remove(struct platform_device *pdev) +static int rdc321x_gpio_remove(struct platform_device *pdev) { int ret; struct rdc321x_gpio *rdc321x_gpio_dev = platform_get_drvdata(pdev); @@ -214,9 +206,6 @@ static int __devexit rdc321x_gpio_remove(struct platform_device *pdev) if (ret) dev_err(&pdev->dev, "failed to unregister chip\n"); - kfree(rdc321x_gpio_dev); - platform_set_drvdata(pdev, NULL); - return ret; } @@ -224,7 +213,7 @@ static struct platform_driver rdc321x_gpio_driver = { .driver.name = "rdc321x-gpio", .driver.owner = THIS_MODULE, .probe = rdc321x_gpio_probe, - .remove = __devexit_p(rdc321x_gpio_remove), + .remove = rdc321x_gpio_remove, }; module_platform_driver(rdc321x_gpio_driver); |
