diff options
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-at91.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index b0b78f3468ae..bcfc8a2eebca 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -784,10 +784,35 @@ static int at91_pinconf_set(struct pinctrl_dev *pctldev, return 0; } +#define DBG_SHOW_FLAG(flag) do { \ + if (config & flag) { \ + if (num_conf) \ + seq_puts(s, "|"); \ + seq_puts(s, #flag); \ + num_conf++; \ + } \ +} while (0) + static void at91_pinconf_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned pin_id) { + unsigned long config; + int ret, val, num_conf = 0; + + ret = at91_pinconf_get(pctldev, pin_id, &config); + + DBG_SHOW_FLAG(MULTI_DRIVE); + DBG_SHOW_FLAG(PULL_UP); + DBG_SHOW_FLAG(PULL_DOWN); + DBG_SHOW_FLAG(DIS_SCHMIT); + DBG_SHOW_FLAG(DEGLITCH); + DBG_SHOW_FLAG(DEBOUNCE); + if (config & DEBOUNCE) { + val = config >> DEBOUNCE_VAL_SHIFT; + seq_printf(s, "(%d)", val); + } + return; } static void at91_pinconf_group_dbg_show(struct pinctrl_dev *pctldev, |