mfd: fix htc-egpio iomem resource handling using resource_size

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

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>

diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c
index 194df7b..aa266e1 100644 (file)
--- 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);