linux/drivers/pinctrl/pinconf.h
Viresh Kumar 96593afe6d pinctrl: pinconf: fix compilation error if PINCONF is not selected
When we compile pinctrl layer for platforms without CONFIG_PINCONF, we get
following compilation errors:

drivers/built-in.o: In function `pinctrl_show':
linux-2.6/drivers/pinctrl/core.c:1116: undefined
reference to `pinconf_show_setting'
drivers/built-in.o: In function `pinctrl_maps_show':
linux-2.6/drivers/pinctrl/core.c:1071: undefined
reference to `pinconf_show_map'
drivers/built-in.o: In function `pinctrl_init_device_debugfs':
linux-2.6/drivers/pinctrl/core.c:1224: undefined
reference to `pinconf_init_device_debugfs'
make[1]: *** [.tmp_vmlinux1] Error 1

This patch fixes this.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18 13:53:12 +02:00

118 lines
2.8 KiB
C

/*
* Internal interface between the core pin control system and the
* pin config portions
*
* Copyright (C) 2011 ST-Ericsson SA
* Written on behalf of Linaro for ST-Ericsson
* Based on bits of regulator core, gpio core and clk core
*
* Author: Linus Walleij <linus.walleij@linaro.org>
*
* License terms: GNU General Public License (GPL) version 2
*/
#ifdef CONFIG_PINCONF
int pinconf_check_ops(struct pinctrl_dev *pctldev);
int pinconf_validate_map(struct pinctrl_map const *map, int i);
int pinconf_map_to_setting(struct pinctrl_map const *map,
struct pinctrl_setting *setting);
void pinconf_free_setting(struct pinctrl_setting const *setting);
int pinconf_apply_setting(struct pinctrl_setting const *setting);
/*
* You will only be interested in these if you're using PINCONF
* so don't supply any stubs for these.
*/
int pin_config_get_for_pin(struct pinctrl_dev *pctldev, unsigned pin,
unsigned long *config);
int pin_config_group_get(const char *dev_name, const char *pin_group,
unsigned long *config);
#else
static inline int pinconf_check_ops(struct pinctrl_dev *pctldev)
{
return 0;
}
static inline int pinconf_validate_map(struct pinctrl_map const *map, int i)
{
return 0;
}
static inline int pinconf_map_to_setting(struct pinctrl_map const *map,
struct pinctrl_setting *setting)
{
return 0;
}
static inline void pinconf_free_setting(struct pinctrl_setting const *setting)
{
}
static inline int pinconf_apply_setting(struct pinctrl_setting const *setting)
{
return 0;
}
#endif
#if defined(CONFIG_PINCONF) && defined(CONFIG_DEBUG_FS)
void pinconf_show_map(struct seq_file *s, struct pinctrl_map const *map);
void pinconf_show_setting(struct seq_file *s,
struct pinctrl_setting const *setting);
void pinconf_init_device_debugfs(struct dentry *devroot,
struct pinctrl_dev *pctldev);
#else
static inline void pinconf_show_map(struct seq_file *s,
struct pinctrl_map const *map)
{
}
static inline void pinconf_show_setting(struct seq_file *s,
struct pinctrl_setting const *setting)
{
}
static inline void pinconf_init_device_debugfs(struct dentry *devroot,
struct pinctrl_dev *pctldev)
{
}
#endif
/*
* The following functions are available if the driver uses the generic
* pin config.
*/
#ifdef CONFIG_GENERIC_PINCONF
void pinconf_generic_dump_pin(struct pinctrl_dev *pctldev,
struct seq_file *s, unsigned pin);
void pinconf_generic_dump_group(struct pinctrl_dev *pctldev,
struct seq_file *s, const char *gname);
#else
static inline void pinconf_generic_dump_pin(struct pinctrl_dev *pctldev,
struct seq_file *s,
unsigned pin)
{
return;
}
static inline void pinconf_generic_dump_group(struct pinctrl_dev *pctldev,
struct seq_file *s,
const char *gname)
{
return;
}
#endif