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Commit 9cfd1724 authored by Haojian Zhuang's avatar Haojian Zhuang Committed by Linus Walleij
Browse files

pinctrl: generic: dump pin configuration 



Add the support of dumping pin configuration.

Signed-off-by: default avatarHaojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent a1a277eb

drivers/pinctrl/pinconf-generic.c

+14 −0
Original line number Diff line number Diff line
@@ -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

drivers/pinctrl/pinconf.h

+8 −0
Original line number Diff line number Diff line
@@ -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