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ACPI: EC: Block queries until EC is fully initialized

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Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Alexey Starikovskiy 2007-03-07 22:28:00 +03:00 committed by Len Brown
parent 01f2246269
commit 9fd9f8e8bd
1 changed files with 4 additions and 1 deletions
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5
drivers/acpi/ec.c
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@ -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;
} }