#define __LINUX_PWM_H
#include <linux/err.h>
+#include <linux/mutex.h>
#include <linux/of.h>
struct pwm_device;
* @pwm: global index of the PWM device
* @chip: PWM chip providing this PWM device
* @chip_data: chip-private data associated with the PWM device
+ * @lock: used to serialize accesses to the PWM device where necessary
* @period: period of the PWM signal (in nanoseconds)
* @duty_cycle: duty cycle of the PWM signal (in nanoseconds)
* @polarity: polarity of the PWM signal
unsigned int pwm;
struct pwm_chip *chip;
void *chip_data;
+ struct mutex lock;
unsigned int period;
unsigned int duty_cycle;
#ifdef CONFIG_PWM_SYSFS
void pwmchip_sysfs_export(struct pwm_chip *chip);
void pwmchip_sysfs_unexport(struct pwm_chip *chip);
+void pwmchip_sysfs_unexport_children(struct pwm_chip *chip);
#else
static inline void pwmchip_sysfs_export(struct pwm_chip *chip)
{
static inline void pwmchip_sysfs_unexport(struct pwm_chip *chip)
{
}
+
+static inline void pwmchip_sysfs_unexport_children(struct pwm_chip *chip)
+{
+}
#endif /* CONFIG_PWM_SYSFS */
#endif /* __LINUX_PWM_H */