drivercore/of: Add OF style matching to platform bus

As part of the merge between platform bus and of_platform bus, add the
ability to do of-style matching to the platform bus.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
CC: Michal Simek <monstr@monstr.eu>
CC: Grant Likely <grant.likely@secretlab.ca>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Stephen Rothwell <sfr@canb.auug.org.au>
CC: linux-kernel@vger.kernel.org
CC: microblaze-uclinux@itee.uq.edu.au
CC: linuxppc-dev@ozlabs.org
CC: devicetree-discuss@lists.ozlabs.org

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 4d99c8bdfedc..fac3633c7223 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -12,6 +12,7 @@
 
 #include <linux/string.h>
 #include <linux/platform_device.h>
+#include <linux/of_device.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/dma-mapping.h>
@@ -673,7 +674,11 @@ static int platform_match(struct device *dev, struct device_driver *drv)
         struct platform_device *pdev = to_platform_device(dev);
         struct platform_driver *pdrv = to_platform_driver(drv);
 
-        /* match against the id table first */
+        /* Attempt an OF style match first */
+        if (of_driver_match_device(dev, drv))
+                return 1;
+
+        /* Then try to match against the id table */
         if (pdrv->id_table)
                 return platform_match_id(pdrv->id_table, pdev) != NULL;