treewide: Convert uses of struct resource to resource_size(ptr)

[deliverable/linux.git] / drivers / rtc / rtc-m48t59.c

diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
index 3978f4caf724df35449a8f84c34e897f26c2cee8..28365388fb6c8665a96c9d7fb68638300d748dc0 100644 (file)
--- a/drivers/rtc/rtc-m48t59.c
+++ b/drivers/rtc/rtc-m48t59.c
@@ -433,7 +433,7 @@ static int __devinit m48t59_rtc_probe(struct platform_device *pdev)
 
        if (!m48t59->ioaddr) {
                /* ioaddr not mapped externally */
-               m48t59->ioaddr = ioremap(res->start, res->end - res->start + 1);
+               m48t59->ioaddr = ioremap(res->start, resource_size(res));
                if (!m48t59->ioaddr)
                        goto out;
        }