linux-kernel - [PATCH_V2 2/2] watchdog: jz4740: Add DT support

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Date:	Thu, 29 Jan 2015 10:48:26 +0000
From:	Zubair Lutfullah Kakakhel <Zubair.Kakakhel@...tec.com>
To:	<wim@...ana.be>
CC:	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-watchdog@...r.kernel.org>, <Zubair.Kakakhel@...tec.com>,
	<paul@...pouillou.net>
Subject: [PATCH_V2 2/2] watchdog: jz4740: Add DT support

Add DT support to the jz4740 driver. Simple of_match_ptr. No other
modification for probe needed

Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@...tec.com>
Reviewed-by: Guenetr Roeck <linux@...ck-us.net>

---
V2 changes
Add module device table. Even though we are moving to non-dt for jz4740.
Lets try and not break things while at it.

Renamed jz4740_of_match to jz4740_wdt_of_match
---
 drivers/watchdog/jz4740_wdt.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/watchdog/jz4740_wdt.c b/drivers/watchdog/jz4740_wdt.c
index 18e41af..4c2cc09 100644
--- a/drivers/watchdog/jz4740_wdt.c
+++ b/drivers/watchdog/jz4740_wdt.c
@@ -24,6 +24,7 @@
 #include <linux/clk.h>
 #include <linux/slab.h>
 #include <linux/err.h>
+#include <linux/of.h>
 
 #include <asm/mach-jz4740/timer.h>
 
@@ -142,6 +143,14 @@ static const struct watchdog_ops jz4740_wdt_ops = {
 	.set_timeout = jz4740_wdt_set_timeout,
 };
 
+#ifdef CONFIG_OF
+static const struct of_device_id jz4740_wdt_of_matches[] = {
+	{ .compatible = "ingenic,jz4740-watchdog", },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, jz4740_wdt_of_matches)
+#endif
+
 static int jz4740_wdt_probe(struct platform_device *pdev)
 {
 	struct jz4740_wdt_drvdata *drvdata;
@@ -211,6 +220,7 @@ static struct platform_driver jz4740_wdt_driver = {
 	.remove = jz4740_wdt_remove,
 	.driver = {
 		.name = "jz4740-wdt",
+		.of_match_table = of_match_ptr(jz4740_wdt_of_matches),
 	},
 };
 
-- 
1.9.1

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