linux-kernel - [PATCH] atmel_nand.c: use resource

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Date:	Mon, 14 Dec 2009 15:58:06 -0500
From:	"H Hartley Sweeten" <hartleys@...ionengravers.com>
To:	"kernel list" <linux-kernel@...r.kernel.org>,
	<linux-mtd@...ts.infradead.org>
Subject: [PATCH] atmel_nand.c: use resource_size()

Use resource_size().

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>

---

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index f8e9975..162b4f2 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -399,7 +399,7 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	host->io_base = ioremap(mem->start, mem->end - mem->start + 1);
+	host->io_base = ioremap(mem->start, resource_size(mem));
 	if (host->io_base == NULL) {
 		printk(KERN_ERR "atmel_nand: ioremap failed\n");
 		res = -EIO;
@@ -433,7 +433,7 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
 	if (no_ecc)
 		nand_chip->ecc.mode = NAND_ECC_NONE;
 	if (hard_ecc && regs) {
-		host->ecc = ioremap(regs->start, regs->end - regs->start + 1);
+		host->ecc = ioremap(regs->start, resource_size(regs));
 		if (host->ecc == NULL) {
 			printk(KERN_ERR "atmel_nand: ioremap failed\n");
 			res = -EIO; 
--
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