drivercore: Add of_match_table to the common device drivers

OF-style matching can be available to any device, on any type of bus.
This patch allows any driver to provide an OF match table when CONFIG_OF
is enabled so that drivers can be bound against devices described in
the device tree.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 4 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index a9f31631a293..355257bb149d 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -201,8 +201,11 @@ static int ibmebus_create_devices(const struct of_device_id *matches)
 
 int ibmebus_register_driver(struct of_platform_driver *drv)
 {
+        if (!drv->driver.of_match_table)
+                drv->driver.of_match_table = drv->match_table;
+
         /* If the driver uses devices that ibmebus doesn't know, add them */
-        ibmebus_create_devices(drv->match_table);
+        ibmebus_create_devices(drv->driver.of_match_table);
 
         return of_register_driver(drv, &ibmebus_bus_type);
 }