linux_dsm_epyc7002/include/linux/reset.h
Axel Lin 5bcd0b7f3c reset: Add (devm_)reset_control_get stub functions
So the drivers can be compiled with CONFIG_RESET_CONTROLLER disabled.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2015-09-01 09:56:58 +02:00

112 lines
2.4 KiB
C

#ifndef _LINUX_RESET_H_
#define _LINUX_RESET_H_
struct device;
struct device_node;
struct reset_control;
#ifdef CONFIG_RESET_CONTROLLER
int reset_control_reset(struct reset_control *rstc);
int reset_control_assert(struct reset_control *rstc);
int reset_control_deassert(struct reset_control *rstc);
int reset_control_status(struct reset_control *rstc);
struct reset_control *reset_control_get(struct device *dev, const char *id);
void reset_control_put(struct reset_control *rstc);
struct reset_control *devm_reset_control_get(struct device *dev, const char *id);
int __must_check device_reset(struct device *dev);
static inline int device_reset_optional(struct device *dev)
{
return device_reset(dev);
}
static inline struct reset_control *reset_control_get_optional(
struct device *dev, const char *id)
{
return reset_control_get(dev, id);
}
static inline struct reset_control *devm_reset_control_get_optional(
struct device *dev, const char *id)
{
return devm_reset_control_get(dev, id);
}
struct reset_control *of_reset_control_get(struct device_node *node,
const char *id);
#else
static inline int reset_control_reset(struct reset_control *rstc)
{
WARN_ON(1);
return 0;
}
static inline int reset_control_assert(struct reset_control *rstc)
{
WARN_ON(1);
return 0;
}
static inline int reset_control_deassert(struct reset_control *rstc)
{
WARN_ON(1);
return 0;
}
static inline int reset_control_status(struct reset_control *rstc)
{
WARN_ON(1);
return 0;
}
static inline void reset_control_put(struct reset_control *rstc)
{
WARN_ON(1);
}
static inline int device_reset_optional(struct device *dev)
{
return -ENOSYS;
}
static inline struct reset_control *__must_check reset_control_get(
struct device *dev, const char *id)
{
WARN_ON(1);
return ERR_PTR(-EINVAL);
}
static inline struct reset_control *__must_check devm_reset_control_get(
struct device *dev, const char *id)
{
WARN_ON(1);
return ERR_PTR(-EINVAL);
}
static inline struct reset_control *reset_control_get_optional(
struct device *dev, const char *id)
{
return ERR_PTR(-ENOSYS);
}
static inline struct reset_control *devm_reset_control_get_optional(
struct device *dev, const char *id)
{
return ERR_PTR(-ENOSYS);
}
static inline struct reset_control *of_reset_control_get(
struct device_node *node, const char *id)
{
return ERR_PTR(-ENOSYS);
}
#endif /* CONFIG_RESET_CONTROLLER */
#endif