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authorJameson Thies <jthies@google.com>2022-09-13 20:49:54 +0000
committerTzung-Bi Shih <tzungbi@kernel.org>2022-09-19 10:34:38 +0800
commit8edd2752b0aa498b3a61f3caee8f79f7e0567fad (patch)
treebc540958a980ca9116e551ce85a7aede36a7abed
parent348a2e8c93d3ca622cf1b293cd2f597c9db74d9d (diff)
platform/chrome: cros_ec: Notify the PM of wake events during resume
cros_ec_handle_event in the cros_ec driver can notify the PM of wake events. When a device is suspended, cros_ec_handle_event will not check MKBP events. Instead, received MKBP events are checked during resume by cros_ec_report_events_during_suspend. But cros_ec_report_events_during_suspend cannot notify the PM if received events are wake events, causing wake events to not be reported if received while the device is suspended. Update cros_ec_report_events_during_suspend to notify the PM of wake events during resume by calling pm_wakeup_event. Signed-off-by: Jameson Thies <jthies@google.com> Reviewed-by: Prashant Malani <pmalani@chromium.org> Reviewed-by: Benson Leung <bleung@chromium.org> Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org> Link: https://lore.kernel.org/r/20220913204954.2931042-1-jthies@google.com
-rw-r--r--drivers/platform/chrome/cros_ec.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/platform/chrome/cros_ec.c b/drivers/platform/chrome/cros_ec.c
index 32140a7150d0..ec733f683f34 100644
--- a/drivers/platform/chrome/cros_ec.c
+++ b/drivers/platform/chrome/cros_ec.c
@@ -350,10 +350,16 @@ EXPORT_SYMBOL(cros_ec_suspend);
static void cros_ec_report_events_during_suspend(struct cros_ec_device *ec_dev)
{
+ bool wake_event;
+
while (ec_dev->mkbp_event_supported &&
- cros_ec_get_next_event(ec_dev, NULL, NULL) > 0)
+ cros_ec_get_next_event(ec_dev, &wake_event, NULL) > 0) {
blocking_notifier_call_chain(&ec_dev->event_notifier,
1, ec_dev);
+
+ if (wake_event && device_may_wakeup(ec_dev->dev))
+ pm_wakeup_event(ec_dev->dev, 0);
+ }
}
/**