[PATCH 21/22] ACPI: EC: Block queries until EC is fully initialized

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From: Alexey Starikovskiy <alexey.y.starikovskiy@xxxxxxxxx>

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
 drivers/acpi/ec.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 2a17229..e08cf98 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -599,7 +599,7 @@ static struct acpi_ec *make_acpi_ec(void)
 	if (!ec)
 		return NULL;
 
-	atomic_set(&ec->query_pending, 0);
+	atomic_set(&ec->query_pending, 1);
 	atomic_set(&ec->event_count, 1);
 	mutex_init(&ec->lock);
 	init_waitqueue_head(&ec->wait);
@@ -715,6 +715,9 @@ static int ec_install_handlers(struct acpi_ec *ec)
 		return -ENODEV;
 	}
 
+	/* EC is fully operational, allow queries */
+	atomic_set(&ec->query_pending, 0);
+
 	return 0;
 }
 
-- 
1.5.0.3.310.g05ef5
-
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