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Commit 9fd9f8e8 authored by Alexey Starikovskiy's avatar Alexey Starikovskiy Committed by Len Brown
Browse files

ACPI: EC: Block queries until EC is fully initialized 



Signed-off-by: default avatarAlexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 01f22462

drivers/acpi/ec.c

+4 −1
Original line number Original line Diff line number Diff line
@@ -599,7 +599,7 @@ static struct acpi_ec *make_acpi_ec(void) 
	if (!ec)

	if (!ec)

		return NULL;

		return NULL;





	atomic_set(&ec->query_pending, 0);

	atomic_set(&ec->query_pending, 1);

	atomic_set(&ec->event_count, 1);

	atomic_set(&ec->event_count, 1);

	mutex_init(&ec->lock);

	mutex_init(&ec->lock);

	init_waitqueue_head(&ec->wait);

	init_waitqueue_head(&ec->wait);
@@ -715,6 +715,9 @@ static int ec_install_handlers(struct acpi_ec *ec) 
		return -ENODEV;

		return -ENODEV;

	}

	}





	/* EC is fully operational, allow queries */

	atomic_set(&ec->query_pending, 0);



	return 0;

	return 0;

}

}