diff options
Diffstat (limited to 'kernel/drivers/pinctrl/pinctrl-tegra.c')
| -rw-r--r-- | kernel/drivers/pinctrl/pinctrl-tegra.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/kernel/drivers/pinctrl/pinctrl-tegra.c b/kernel/drivers/pinctrl/pinctrl-tegra.c index 4c95c2024..0fd7fd2b0 100644 --- a/kernel/drivers/pinctrl/pinctrl-tegra.c +++ b/kernel/drivers/pinctrl/pinctrl-tegra.c @@ -624,6 +624,22 @@ static struct pinctrl_desc tegra_pinctrl_desc = { .owner = THIS_MODULE, }; +static bool gpio_node_has_range(void) +{ + struct device_node *np; + bool has_prop = false; + + np = of_find_compatible_node(NULL, NULL, "nvidia,tegra30-gpio"); + if (!np) + return has_prop; + + has_prop = of_find_property(np, "gpio-ranges", NULL); + + of_node_put(np); + + return has_prop; +} + int tegra_pinctrl_probe(struct platform_device *pdev, const struct tegra_pinctrl_soc_data *soc_data) { @@ -703,12 +719,13 @@ int tegra_pinctrl_probe(struct platform_device *pdev, } pmx->pctl = pinctrl_register(&tegra_pinctrl_desc, &pdev->dev, pmx); - if (!pmx->pctl) { + if (IS_ERR(pmx->pctl)) { dev_err(&pdev->dev, "Couldn't register pinctrl driver\n"); - return -ENODEV; + return PTR_ERR(pmx->pctl); } - pinctrl_add_gpio_range(pmx->pctl, &tegra_pinctrl_gpio_range); + if (!gpio_node_has_range()) + pinctrl_add_gpio_range(pmx->pctl, &tegra_pinctrl_gpio_range); platform_set_drvdata(pdev, pmx); |