drivers/ide/au1xxx-ide.c: use resource_size()

From: H Hartley Sweeten
Date: Mon Nov 23 2009 - 13:15:39 EST


Use resource_size() for {request/release}_mem_region and ioremap.

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>

---

diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index 58121bd..87cef0c 100644
--- a/drivers/ide/au1xxx-ide.c
+++ b/drivers/ide/au1xxx-ide.c
@@ -532,14 +532,13 @@ static int au_ide_probe(struct platform_device *dev)
goto out;
}

- if (!request_mem_region(res->start, res->end - res->start + 1,
- dev->name)) {
+ if (!request_mem_region(res->start, resource_size(res), dev->name)) {
pr_debug("%s: request_mem_region failed\n", DRV_NAME);
ret = -EBUSY;
goto out;
}

- ahwif->regbase = (u32)ioremap(res->start, res->end - res->start + 1);
+ ahwif->regbase = (u32)ioremap(res->start, resource_size(res));
if (ahwif->regbase == 0) {
ret = -ENOMEM;
goto out;
@@ -575,7 +574,7 @@ static int au_ide_remove(struct platform_device *dev)
iounmap((void *)ahwif->regbase);

res = platform_get_resource(dev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));

return 0;
}
--
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