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List:       linux-kernel
Subject:    [PATCH] mfd/htc-egpio: fix iomem resource handling using resource_size
From:       Philipp Zabel <philipp.zabel () gmail ! com>
Date:       2009-01-31 20:47:43
Message-ID: 1233434863-11806-1-git-send-email-philipp.zabel () gmail ! com
[Download RAW message or body]

Fixes an off-by-one error in the iomem resource mapping.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
---
 drivers/mfd/htc-egpio.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c
index 1a4d046..e9b0745 100644
--- a/drivers/mfd/htc-egpio.c
+++ b/drivers/mfd/htc-egpio.c
@@ -286,7 +286,7 @@ static int __init egpio_probe(struct platform_device *pdev)
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)
 		goto fail;
-	ei->base_addr = ioremap_nocache(res->start, res->end - res->start);
+	ei->base_addr = ioremap_nocache(res->start, resource_size(res));
 	if (!ei->base_addr)
 		goto fail;
 	pr_debug("EGPIO phys=%08x virt=%p\n", (u32)res->start, ei->base_addr);
-- 
1.5.6.5

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