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pinctrl: allow pctldevs to decode pin config in debugfs

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Add a pinconf op so that pin controller drivers can decode their pin
config settings for debugfs.

Signed-off-by: Stephen Warren <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Stephen Warren 2012-04-13 10:49:06 -06:00 • committed by Linus Walleij
commit 6cb4158757
2 changed files with 32 additions and 4 deletions
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31
drivers/pinctrl/pinconf.c
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@ -379,8 +379,16 @@ int pinconf_apply_setting(struct pinctrl_setting const *setting)
void pinconf_show_map(struct seq_file *s, struct pinctrl_map const *map)
{
struct pinctrl_dev *pctldev;
const struct pinconf_ops *confops;
int i;
pctldev = get_pinctrl_dev_from_devname(map->ctrl_dev_name);
if (pctldev)
confops = pctldev->desc->confops;
else
confops = NULL;
switch (map->type) {
case PIN_MAP_TYPE_CONFIGS_PIN:
seq_printf(s, "pin ");
@ -394,8 +402,15 @@ void pinconf_show_map(struct seq_file *s, struct pinctrl_map const *map)
seq_printf(s, "%s\n", map->data.configs.group_or_pin);
for (i = 0; i < map->data.configs.num_configs; i++)
seq_printf(s, "config %08lx\n", map->data.configs.configs[i]);
for (i = 0; i < map->data.configs.num_configs; i++) {
seq_printf(s, "config ");
if (confops && confops->pin_config_config_dbg_show)
confops->pin_config_config_dbg_show(pctldev, s,
map->data.configs.configs[i]);
else
seq_printf(s, "%08lx", map->data.configs.configs[i]);
seq_printf(s, "\n");
}
}
void pinconf_show_setting(struct seq_file *s,
@ -403,6 +418,7 @@ void pinconf_show_setting(struct seq_file *s,
{
struct pinctrl_dev *pctldev = setting->pctldev;
const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
const struct pinconf_ops *confops = pctldev->desc->confops;
struct pin_desc *desc;
int i;
@ -428,8 +444,15 @@ void pinconf_show_setting(struct seq_file *s,
* FIXME: We should really get the pin controler to dump the config
* values, so they can be decoded to something meaningful.
*/
for (i = 0; i < setting->data.configs.num_configs; i++)
seq_printf(s, " %08lx", setting->data.configs.configs[i]);
for (i = 0; i < setting->data.configs.num_configs; i++) {
seq_printf(s, " ");
if (confops && confops->pin_config_config_dbg_show)
confops->pin_config_config_dbg_show(pctldev, s,
setting->data.configs.configs[i]);
else
seq_printf(s, "%08lx",
setting->data.configs.configs[i]);
}
seq_printf(s, "\n");
}