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pinctrl: generic: dump pin configuration 

Add the support of dumping pin configuration.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Haojian Zhuang 2013-02-17 19:42:53 +08:00 committed by Linus Walleij
parent a1a277eb76
commit 9cfd1724f0
2 changed files with 22 additions and 0 deletions
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14
drivers/pinctrl/pinconf-generic.c
View File

@ -12,6 +12,7 @@
#define pr_fmt(fmt) "generic pinconfig core: " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/slab.h>
@ -120,4 +121,17 @@ 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));
}
}
EXPORT_SYMBOL_GPL(pinconf_generic_dump_config);
#endif

8
drivers/pinctrl/pinconf.h
View File

@ -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 inline void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
struct seq_file *s,
unsigned long config)
{
return;
}
#endif