Commit 4daeb395 authored by Gwendal Grignou's avatar Gwendal Grignou Committed by Enric Balletbo i Serra
Browse files

platform/chrome: cros_ec: Call interrupt bottom half at probe time 



While the AP was powered off, the EC may have send messages.
If the message is not serviced within 3s, the EC stops sending message.
Unlock the EC by purging stale messages at probe time.

Signed-off-by: default avatarGwendal Grignou <gwendal@chromium.org>
Signed-off-by: default avatarEnric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210122054637.1422289-3-gwendal@chromium.org
parent 24c69043

drivers/platform/chrome/cros_ec.c

+7 −0
Original line number Diff line number Diff line
@@ -283,6 +283,13 @@ int cros_ec_register(struct cros_ec_device *ec_dev) 


	dev_info(dev, "Chrome EC device registered\n");



	/*

	 * Unlock EC that may be waiting for AP to process MKBP events.

	 * If the AP takes to long to answer, the EC would stop sending events.

	 */

	if (ec_dev->mkbp_event_supported)

		cros_ec_irq_thread(0, ec_dev);



	return 0;

}

EXPORT_SYMBOL(cros_ec_register);