linux-kernel - [RFC PATCH 2/6] Introduce ACPI style match in platform

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Message-ID: <1348817955.10877.322.camel@rui.sh.intel.com>
Date:	Fri, 28 Sep 2012 15:39:15 +0800
From:	Zhang Rui <rui.zhang@...el.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	linux-pm <linux-pm@...ts.linux-foundation.org>,
	linux-i2c <linux-i2c@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"Len, Brown" <lenb@...nel.org>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Grant Likely <grant.likely@...retlab.ca>,
	Dirk Brandewie <dirk.brandewie@...il.com>,
	"Zhang, Rui" <rui.zhang@...el.com>
Subject: [RFC PATCH 2/6] Introduce ACPI style match in platform_match

>From 5d7ecd12c2994b8c5905d52718c2870c3b62746e Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@...el.com>
Date: Fri, 28 Sep 2012 14:51:03 +0800
Subject: [RFC PATCH 2/6] Introduce ACPI style match in platform_match

Signed-off-by: Zhang Rui <rui.zhang@...el.com>
---
 drivers/base/platform.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index a1a7225..90e64c6f 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -20,6 +20,7 @@
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/pm_runtime.h>
+#include <linux/acpi.h>
 
 #include "base.h"
 
@@ -635,6 +636,13 @@ static const struct platform_device_id *platform_match_id(
 			struct platform_device *pdev)
 {
 	while (id->name[0]) {
+#ifdef CONFIG_ACPI
+		/* attempt ACPI style match */
+		if (acpi_match_device_id(&pdev->dev, id->name) == 0) {
+			pdev->id_entry = id;
+			return id;
+		}
+#endif
 		if (strcmp(pdev->name, id->name) == 0) {
 			pdev->id_entry = id;
 			return id;
-- 
1.7.7.6



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