Merge branch 'kvm-arm/vgic-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...

[karo-tx-linux.git] / include / linux / pwm.h

diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index 70655a205b740f20c9012d497f749fafed53e290..a4df2042b79c15f75bf53dd8d185fd6c80426b05 100644 (file)
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -146,6 +146,8 @@ struct pwm_ops {
  * @base: number of first PWM controlled by this chip
  * @npwm: number of PWMs controlled by this chip
  * @pwms: array of PWM devices allocated by the framework
+ * @can_sleep: must be true if the .config(), .enable() or .disable()
+ *             operations may sleep
  */
 struct pwm_chip {
        struct device           *dev;
@@ -159,6 +161,7 @@ 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;
 };
 
 #if IS_ENABLED(CONFIG_PWM)
@@ -182,6 +185,8 @@ 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 int pwm_set_chip_data(struct pwm_device *pwm, void *data)
 {
@@ -242,6 +247,11 @@ 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
 
 struct pwm_lookup {