From: Grant Likely <grant.likely@secretlab.ca>
Date: Tue, 8 Jun 2010 13:48:20 +0000 (-0600)
Subject: drivercore/of: Add OF style matching to platform bus
X-Git-Tag: firefly_0821_release~9833^2~1278^2~19
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=05212157e94ccf4cf458413bbba509cfa95ff92b;p=firefly-linux-kernel-4.4.55.git

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
---

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;