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Diffstat (limited to 'include/linux/pwm.h')
-rw-r--r--include/linux/pwm.h33
1 files changed, 15 insertions, 18 deletions
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index 2c6c5114c089..08fad7c6a471 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -287,8 +287,6 @@ struct pwm_ops {
* @pwms: array of PWM devices allocated by the framework
* @of_xlate: request a PWM device given a device tree PWM specifier
* @of_pwm_n_cells: number of cells expected in the device tree PWM specifier
- * @can_sleep: must be true if the .config(), .enable() or .disable()
- * operations may sleep
*/
struct pwm_chip {
struct device *dev;
@@ -302,7 +300,6 @@ struct pwm_chip {
struct pwm_device * (*of_xlate)(struct pwm_chip *pc,
const struct of_phandle_args *args);
unsigned int of_pwm_n_cells;
- bool can_sleep;
};
/**
@@ -451,8 +448,6 @@ struct pwm_device *devm_pwm_get(struct device *dev, const char *con_id);
struct pwm_device *devm_of_pwm_get(struct device *dev, struct device_node *np,
const char *con_id);
void devm_pwm_put(struct device *dev, struct pwm_device *pwm);
-
-bool pwm_can_sleep(struct pwm_device *pwm);
#else
static inline struct pwm_device *pwm_request(int pwm_id, const char *label)
{
@@ -566,11 +561,6 @@ static inline struct pwm_device *devm_of_pwm_get(struct device *dev,
static inline void devm_pwm_put(struct device *dev, struct pwm_device *pwm)
{
}
-
-static inline bool pwm_can_sleep(struct pwm_device *pwm)
-{
- return false;
-}
#endif
static inline void pwm_apply_args(struct pwm_device *pwm)
@@ -613,18 +603,25 @@ struct pwm_lookup {
const char *con_id;
unsigned int period;
enum pwm_polarity polarity;
+ const char *module; /* optional, may be NULL */
};
-#define PWM_LOOKUP(_provider, _index, _dev_id, _con_id, _period, _polarity) \
- { \
- .provider = _provider, \
- .index = _index, \
- .dev_id = _dev_id, \
- .con_id = _con_id, \
- .period = _period, \
- .polarity = _polarity \
+#define PWM_LOOKUP_WITH_MODULE(_provider, _index, _dev_id, _con_id, \
+ _period, _polarity, _module) \
+ { \
+ .provider = _provider, \
+ .index = _index, \
+ .dev_id = _dev_id, \
+ .con_id = _con_id, \
+ .period = _period, \
+ .polarity = _polarity, \
+ .module = _module, \
}
+#define PWM_LOOKUP(_provider, _index, _dev_id, _con_id, _period, _polarity) \
+ PWM_LOOKUP_WITH_MODULE(_provider, _index, _dev_id, _con_id, _period, \
+ _polarity, NULL)
+
#if IS_ENABLED(CONFIG_PWM)
void pwm_add_table(struct pwm_lookup *table, size_t num);
void pwm_remove_table(struct pwm_lookup *table, size_t num);