linux-kernel - omap_wdt.c: use resource

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Message-ID: <BD79186B4FD85F4B8E60E381CAEE190901FB06D9@mi8nycmail19.Mi8.com>
Date:	Fri, 4 Dec 2009 12:41:06 -0500
From:	"H Hartley Sweeten" <hartleys@...ionengravers.com>
To:	<linux-kernel@...r.kernel.org>
Cc:	<wim@...ana.be>, <khilman@...deeprootsystems.com>, <ubh@...com>
Subject: omap_wdt.c: use resource_size()

Use resource_size().

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Wim Van Sebroeck <wim@...ana.be>
Cc: Kevin Hilman <khilman@...deeprootsystems.com>
Cc: Ulrik Bech Hald <ubh@...com>

---

diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index 3ed571a..6ea3235 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -277,8 +277,7 @@ static int __devinit omap_wdt_probe(struct platform_device *pdev)
 		goto err_busy;
 	}
 
-	mem = request_mem_region(res->start, res->end - res->start + 1,
-				 pdev->name);
+	mem = request_mem_region(res->start, resource_size(res), pdev->name);
 	if (!mem) {
 		ret = -EBUSY;
 		goto err_busy;
@@ -306,7 +305,7 @@ static int __devinit omap_wdt_probe(struct platform_device *pdev)
 		goto err_clk;
 	}
 
-	wdev->base = ioremap(res->start, res->end - res->start + 1);
+	wdev->base = ioremap(res->start, resource_size(res));
 	if (!wdev->base) {
 		ret = -ENOMEM;
 		goto err_ioremap;
@@ -358,7 +357,7 @@ err_clk:
 	kfree(wdev);
 
 err_kzalloc:
-	release_mem_region(res->start, res->end - res->start + 1);
+	release_mem_region(res->start, resource_size(res));
 
 err_busy:
 err_get_resource:
@@ -383,7 +382,7 @@ static int __devexit omap_wdt_remove(struct platform_device *pdev)
 		return -ENOENT;
 
 	misc_deregister(&(wdev->omap_wdt_miscdev));
-	release_mem_region(res->start, res->end - res->start + 1);
+	release_mem_region(res->start, resource_size(res));
 	platform_set_drvdata(pdev, NULL);
 
 	clk_put(wdev->ick); 
--
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