linux-kernel - [v3 PATCH 7/9] watchdog/at91sam9_wdt: Use module_platform

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Date:	Sat,  5 Jan 2013 10:38:47 +0800
From:	Wenyou Yang <wenyou.yang@...el.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	nicolas.ferre@...el.com, plagnioj@...osoft.com, JM.Lin@...el.com,
	wenyou.yang@...el.com, wim@...ana.be,
	linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [v3 PATCH 7/9] watchdog/at91sam9_wdt: Use module_platform_driver()

Using module_platform_driver() replaces module_init() and module_exit()
and makes the code simpler.

Remove '__init' annotation from the function 'at91wdt_probe'
since the driver becomes hot-plug aware now.

Signed-off-by: Wenyou Yang <wenyou.yang@...el.com>
Cc: wim@...ana.be
Cc: linux-watchdog@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/watchdog/at91sam9_wdt.c |   16 +++-------------
 1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
index 94be9d6..7c13dda 100644
--- a/drivers/watchdog/at91sam9_wdt.c
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -204,7 +204,7 @@ static struct watchdog_device at91wdt_wdd = {
 	.ops = &at91wdt_ops,
 };
 
-static int __init at91wdt_probe(struct platform_device *pdev)
+static int at91wdt_probe(struct platform_device *pdev)
 {
 	struct at91wdt_drvdata *driver_data;
 	struct resource	*r;
@@ -273,6 +273,7 @@ MODULE_DEVICE_TABLE(of, at91_wdt_dt_ids);
 #endif
 
 static struct platform_driver at91wdt_driver = {
+	.probe		= at91wdt_probe,
 	.remove		= __exit_p(at91wdt_remove),
 	.driver		= {
 		.name	= "at91_wdt",
@@ -281,18 +282,7 @@ static struct platform_driver at91wdt_driver = {
 	},
 };
 
-static int __init at91sam_wdt_init(void)
-{
-	return platform_driver_probe(&at91wdt_driver, at91wdt_probe);
-}
-
-static void __exit at91sam_wdt_exit(void)
-{
-	platform_driver_unregister(&at91wdt_driver);
-}
-
-module_init(at91sam_wdt_init);
-module_exit(at91sam_wdt_exit);
+module_platform_driver(at91wdt_driver);
 
 MODULE_AUTHOR("Renaud CERRATO <r.cerrato@...-technologies.fr>");
 MODULE_DESCRIPTION("Watchdog driver for Atmel AT91SAM9x processors");
-- 
1.7.9.5

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