diff options
Diffstat (limited to 'drivers/pinctrl/pinconf.c')
-rw-r--r-- | drivers/pinctrl/pinconf.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c index b8fcc38c0d11..8bfa0643e5dc 100644 --- a/drivers/pinctrl/pinconf.c +++ b/drivers/pinctrl/pinconf.c @@ -28,12 +28,6 @@ int pinconf_check_ops(struct pinctrl_dev *pctldev) { const struct pinconf_ops *ops = pctldev->desc->confops; - /* We must be able to read out pin status */ - if (!ops->pin_config_get && !ops->pin_config_group_get) { - dev_err(pctldev->dev, - "pinconf must be able to read out pin status\n"); - return -EINVAL; - } /* We have to be able to config the pins in SOME way */ if (!ops->pin_config_set && !ops->pin_config_group_set) { dev_err(pctldev->dev, @@ -67,9 +61,9 @@ int pin_config_get_for_pin(struct pinctrl_dev *pctldev, unsigned pin, const struct pinconf_ops *ops = pctldev->desc->confops; if (!ops || !ops->pin_config_get) { - dev_err(pctldev->dev, "cannot get pin configuration, missing " + dev_dbg(pctldev->dev, "cannot get pin configuration, missing " "pin_config_get() function in driver\n"); - return -EINVAL; + return -ENOTSUPP; } return ops->pin_config_get(pctldev, pin, config); @@ -93,10 +87,10 @@ int pin_config_group_get(const char *dev_name, const char *pin_group, ops = pctldev->desc->confops; if (!ops || !ops->pin_config_group_get) { - dev_err(pctldev->dev, "cannot get configuration for pin " + dev_dbg(pctldev->dev, "cannot get configuration for pin " "group, missing group config get function in " "driver\n"); - ret = -EINVAL; + ret = -ENOTSUPP; goto unlock; } @@ -302,12 +296,8 @@ static void pinconf_dump_pin(struct pinctrl_dev *pctldev, static int pinconf_pins_show(struct seq_file *s, void *what) { struct pinctrl_dev *pctldev = s->private; - const struct pinconf_ops *ops = pctldev->desc->confops; unsigned i, pin; - if (!ops || !ops->pin_config_get) - return 0; - seq_puts(s, "Pin config settings per pin\n"); seq_puts(s, "Format: pin (name): configs\n"); @@ -352,13 +342,9 @@ static int pinconf_groups_show(struct seq_file *s, void *what) { struct pinctrl_dev *pctldev = s->private; const struct pinctrl_ops *pctlops = pctldev->desc->pctlops; - const struct pinconf_ops *ops = pctldev->desc->confops; unsigned ngroups = pctlops->get_groups_count(pctldev); unsigned selector = 0; - if (!ops || !ops->pin_config_group_get) - return 0; - seq_puts(s, "Pin config settings per pin group\n"); seq_puts(s, "Format: group (name): configs\n"); |