Merge tag 'tag-chrome-platform-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform

Pull chrome platform updates from Benson Leung:

 - Changes for EC_MKBP_EVENT_SENSOR_FIFO handling.

 - Also, maintainership changes. Olofj out, Enric balletbo in.

* tag 'tag-chrome-platform-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
  MAINTAINERS: add maintainers for ChromeOS EC sub-drivers
  MAINTAINERS: platform/chrome: Add Enric as a maintainer
  MAINTAINERS: platform/chrome: remove myself as maintainer
  platform/chrome: don't report EC_MKBP_EVENT_SENSOR_FIFO as wakeup
  platform/chrome: straighten out cros_ec_get_{next,host}_event() error codes

include/linux/mfd/cros_ec.h

@@ -317,7 +317,9 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev);
  * @wake_event: Pointer to a bool set to true upon return if the event might be
  *              treated as a wake event. Ignored if null.
  *
- * Return: 0 on success or negative error code.
+ * Return: negative error code on errors; 0 for no data; or else number of
+ * bytes received (i.e., an event was retrieved successfully). Event types are
+ * written out to @ec_dev->event_data.event_type on success.
  */
 int cros_ec_get_next_event(struct cros_ec_device *ec_dev, bool *wake_event);
 
@@ -329,7 +331,7 @@ int cros_ec_get_next_event(struct cros_ec_device *ec_dev, bool *wake_event);
  * events raised and call the functions in the ec notifier. This function
  * is a helper to know which events are raised.
  *
- * Return: 0 on success or negative error code.
+ * Return: 0 on error or non-zero bitmask of one or more EC_HOST_EVENT_*.
  */
 u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev);