From: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Date: Wed, 7 Mar 2007 19:28:00 +0000 (+0300)
Subject: ACPI: EC: Block queries until EC is fully initialized
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=9fd9f8e8bdcfc9aa309dae5bccc55d02804337d0;p=deliverable%2Flinux.git

ACPI: EC: Block queries until EC is fully initialized

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 2a172299b24c..e08cf98f504f 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;
 }