[PATCH v7 12/15] pinctrl: generic: dump pin configuration
Haojian Zhuang
haojian.zhuang at linaro.org
Fri Jan 18 02:31:16 EST 2013
Add the support of dumping pin configuration.
Signed-off-by: Haojian Zhuang <haojian.zhuang at linaro.org>
---
drivers/pinctrl/pinconf-generic.c | 12 ++++++++++++
drivers/pinctrl/pinconf.h | 8 ++++++++
2 files changed, 20 insertions(+)
diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c
index 678db63..9bb6d47 100644
--- a/drivers/pinctrl/pinconf-generic.c
+++ b/drivers/pinctrl/pinconf-generic.c
@@ -119,4 +119,16 @@ void pinconf_generic_dump_group(struct pinctrl_dev *pctldev,
}
}
+void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
+ struct seq_file *s, unsigned long config)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(conf_items); i++) {
+ if (pinconf_to_config_param(config) != conf_items[i].param)
+ continue;
+ seq_printf(s, "%s: 0x%x", conf_items[i].display,
+ pinconf_to_config_argument(config));
+ }
+}
#endif
diff --git a/drivers/pinctrl/pinconf.h b/drivers/pinctrl/pinconf.h
index e3ed8cb..8023421 100644
--- a/drivers/pinctrl/pinconf.h
+++ b/drivers/pinctrl/pinconf.h
@@ -98,6 +98,8 @@ void pinconf_generic_dump_pin(struct pinctrl_dev *pctldev,
void pinconf_generic_dump_group(struct pinctrl_dev *pctldev,
struct seq_file *s, const char *gname);
+void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
+ struct seq_file *s, unsigned long config);
#else
static inline void pinconf_generic_dump_pin(struct pinctrl_dev *pctldev,
@@ -114,4 +116,10 @@ static inline void pinconf_generic_dump_group(struct pinctrl_dev *pctldev,
return;
}
+static void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
+ struct seq_file *s,
+ unsigned long config)
+{
+ return;
+}
#endif
--
1.7.10.4
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