pinmux: generic: Use ENOENT instead of ENOSYS

ENOSYS should only be used when a subsystem is completely absent.
Convert its use in pinctrl-generic to ENOENT, which better reflects the
error condition (that a function/group/pin is missing).

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/pinctrl/pinctrl-generic.c b/drivers/pinctrl/pinctrl-generic.c
index 2464acf0b854f4001c5b8c9187dfd23a568b3afd..81a9327eb3537bce1f89b04625199e9c04572074 100644 (file)
--- a/drivers/pinctrl/pinctrl-generic.c
+++ b/drivers/pinctrl/pinctrl-generic.c
@@ -22,7 +22,7 @@ static int pinctrl_pin_name_to_selector(struct udevice *dev, const char *pin)
 
        if (!ops->get_pins_count || !ops->get_pin_name) {
                dev_dbg(dev, "get_pins_count or get_pin_name missing\n");
-               return -ENOSYS;
+               return -ENOENT;
        }
 
        npins = ops->get_pins_count(dev);
@@ -35,7 +35,7 @@ static int pinctrl_pin_name_to_selector(struct udevice *dev, const char *pin)
                        return selector;
        }
 
-       return -ENOSYS;
+       return -ENOENT;
 }
 
 /**
@@ -53,7 +53,7 @@ static int pinctrl_group_name_to_selector(struct udevice *dev,
 
        if (!ops->get_groups_count || !ops->get_group_name) {
                dev_dbg(dev, "get_groups_count or get_group_name missing\n");
-               return -ENOSYS;
+               return -ENOENT;
        }
 
        ngroups = ops->get_groups_count(dev);
@@ -66,7 +66,7 @@ static int pinctrl_group_name_to_selector(struct udevice *dev,
                        return selector;
        }
 
-       return -ENOSYS;
+       return -ENOENT;
 }
 
 #if CONFIG_IS_ENABLED(PINMUX)
@@ -86,7 +86,7 @@ static int pinmux_func_name_to_selector(struct udevice *dev,
        if (!ops->get_functions_count || !ops->get_function_name) {
                dev_dbg(dev,
                        "get_functions_count or get_function_name missing\n");
-               return -ENOSYS;
+               return -ENOENT;
        }
 
        nfuncs = ops->get_functions_count(dev);
@@ -99,7 +99,7 @@ static int pinmux_func_name_to_selector(struct udevice *dev,
                        return selector;
        }
 
-       return -ENOSYS;
+       return -ENOENT;
 }
 
 /**
@@ -119,14 +119,14 @@ static int pinmux_enable_setting(struct udevice *dev, bool is_group,
        if (is_group) {
                if (!ops->pinmux_group_set) {
                        dev_dbg(dev, "pinmux_group_set op missing\n");
-                       return -ENOSYS;
+                       return -ENOENT;
                }
 
                return ops->pinmux_group_set(dev, selector, func_selector);
        } else {
                if (!ops->pinmux_set) {
                        dev_dbg(dev, "pinmux_set op missing\n");
-                       return -ENOSYS;
+                       return -ENOENT;
                }
                return ops->pinmux_set(dev, selector, func_selector);
        }
@@ -162,7 +162,7 @@ static int pinconf_prop_name_to_param(struct udevice *dev,
 
        if (!ops->pinconf_num_params || !ops->pinconf_params) {
                dev_dbg(dev, "pinconf_num_params or pinconf_params missing\n");
-               return -ENOSYS;
+               return -ENOENT;
        }
 
        p = ops->pinconf_params;
@@ -176,7 +176,7 @@ static int pinconf_prop_name_to_param(struct udevice *dev,
                }
        }
 
-       return -ENOSYS;
+       return -ENOENT;
 }
 
 /**
@@ -198,7 +198,7 @@ static int pinconf_enable_setting(struct udevice *dev, bool is_group,
        if (is_group) {
                if (!ops->pinconf_group_set) {
                        dev_dbg(dev, "pinconf_group_set op missing\n");
-                       return -ENOSYS;
+                       return -ENOENT;
                }
 
                return ops->pinconf_group_set(dev, selector, param,
@@ -206,7 +206,7 @@ static int pinconf_enable_setting(struct udevice *dev, bool is_group,
        } else {
                if (!ops->pinconf_set) {
                        dev_dbg(dev, "pinconf_set op missing\n");
-                       return -ENOSYS;
+                       return -ENOENT;
                }
                return ops->pinconf_set(dev, selector, param, argument);
        }
@@ -215,7 +215,7 @@ static int pinconf_enable_setting(struct udevice *dev, bool is_group,
 static int pinconf_prop_name_to_param(struct udevice *dev,
                                      const char *property, u32 *default_value)
 {
-       return -ENOSYS;
+       return -ENOENT;
 }
 
 static int pinconf_enable_setting(struct udevice *dev, bool is_group,