diff options
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/tegra/pmc.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index 27b0a0310abc..da0b6680c772 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -1502,8 +1502,8 @@ static int tegra_io_pad_pinctrl_get_groups_count(struct pinctrl_dev *pctl_dev) return pmc->soc->num_io_pads; } -static const char *tegra_io_pad_pinctrl_get_group_name( - struct pinctrl_dev *pctl, unsigned int group) +static const char *tegra_io_pad_pinctrl_get_group_name(struct pinctrl_dev *pctl, + unsigned int group) { struct tegra_pmc *pmc = pinctrl_dev_get_drvdata(pctl); @@ -1519,6 +1519,7 @@ static int tegra_io_pad_pinctrl_get_group_pins(struct pinctrl_dev *pctl_dev, *pins = &pmc->soc->io_pads[group].id; *num_pins = 1; + return 0; } @@ -1548,14 +1549,18 @@ static int tegra_io_pad_pinconf_get(struct pinctrl_dev *pctl_dev, ret = tegra_io_pad_get_voltage(pmc, pad->id); if (ret < 0) return ret; + arg = ret; break; + case PIN_CONFIG_LOW_POWER_MODE: ret = tegra_io_pad_is_powered(pmc, pad->id); if (ret < 0) return ret; + arg = !ret; break; + default: return -EINVAL; } @@ -1622,7 +1627,7 @@ static struct pinctrl_desc tegra_pmc_pctl_desc = { static int tegra_pmc_pinctrl_init(struct tegra_pmc *pmc) { - int err = 0; + int err; if (!pmc->soc->num_pin_descs) return 0; @@ -1635,14 +1640,16 @@ static int tegra_pmc_pinctrl_init(struct tegra_pmc *pmc) pmc); if (IS_ERR(pmc->pctl_dev)) { err = PTR_ERR(pmc->pctl_dev); - dev_err(pmc->dev, "unable to register pinctrl, %d\n", err); + dev_err(pmc->dev, "failed to register pin controller: %d\n", + err); + return err; } - return err; + return 0; } static ssize_t reset_reason_show(struct device *dev, - struct device_attribute *attr, char *buf) + struct device_attribute *attr, char *buf) { u32 value, rst_src; @@ -1656,7 +1663,7 @@ static ssize_t reset_reason_show(struct device *dev, static DEVICE_ATTR_RO(reset_reason); static ssize_t reset_level_show(struct device *dev, - struct device_attribute *attr, char *buf) + struct device_attribute *attr, char *buf) { u32 value, rst_lvl; @@ -1678,16 +1685,16 @@ static void tegra_pmc_reset_sysfs_init(struct tegra_pmc *pmc) err = device_create_file(dev, &dev_attr_reset_reason); if (err < 0) dev_warn(dev, - "failed to create attr \"reset_reason\": %d\n", - err); + "failed to create attr \"reset_reason\": %d\n", + err); } if (pmc->soc->reset_levels) { err = device_create_file(dev, &dev_attr_reset_level); if (err < 0) dev_warn(dev, - "failed to create attr \"reset_level\": %d\n", - err); + "failed to create attr \"reset_level\": %d\n", + err); } } |