[PATCH v2 1/3] PNPACPI: exclude devices already bound

From: Adrian Hunter
Date: Fri Nov 23 2012 - 06:34:01 EST


From: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>

This will exclude ACPI platform devices from also being created
as PNP devices.

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
drivers/pnp/pnpacpi/core.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 26b5d4b..653d563 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -242,6 +242,10 @@ static int __init pnpacpi_add_device(struct acpi_device *device)
char *pnpid;
struct acpi_hardware_id *id;

+ /* Skip devices that are already bound */
+ if (device->physical_node_count)
+ return 0;
+
/*
* If a PnPacpi device is not present , the device
* driver should not be loaded.
--
1.7.11.7

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