diff options
Diffstat (limited to 'drivers/pwm/pwm-tegra.c')
| -rw-r--r-- | drivers/pwm/pwm-tegra.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c index 30c0e2b70ce..61d86b9498c 100644 --- a/drivers/pwm/pwm-tegra.c +++ b/drivers/pwm/pwm-tegra.c @@ -173,22 +173,15 @@ static int tegra_pwm_probe(struct platform_device *pdev) int ret; pwm = devm_kzalloc(&pdev->dev, sizeof(*pwm), GFP_KERNEL); - if (!pwm) { - dev_err(&pdev->dev, "failed to allocate memory\n"); + if (!pwm) return -ENOMEM; - } pwm->dev = &pdev->dev; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!r) { - dev_err(&pdev->dev, "no memory resources defined\n"); - return -ENODEV; - } - - pwm->mmio_base = devm_request_and_ioremap(&pdev->dev, r); - if (!pwm->mmio_base) - return -EADDRNOTAVAIL; + pwm->mmio_base = devm_ioremap_resource(&pdev->dev, r); + if (IS_ERR(pwm->mmio_base)) + return PTR_ERR(pwm->mmio_base); platform_set_drvdata(pdev, pwm); @@ -233,20 +226,19 @@ static int tegra_pwm_remove(struct platform_device *pdev) return pwmchip_remove(&pc->chip); } -#ifdef CONFIG_OF -static struct of_device_id tegra_pwm_of_match[] = { +static const struct of_device_id tegra_pwm_of_match[] = { { .compatible = "nvidia,tegra20-pwm" }, { .compatible = "nvidia,tegra30-pwm" }, { } }; MODULE_DEVICE_TABLE(of, tegra_pwm_of_match); -#endif static struct platform_driver tegra_pwm_driver = { .driver = { .name = "tegra-pwm", - .of_match_table = of_match_ptr(tegra_pwm_of_match), + .owner = THIS_MODULE, + .of_match_table = tegra_pwm_of_match, }, .probe = tegra_pwm_probe, .remove = tegra_pwm_remove, |