Use resource_size().
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
---
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 63924e0..05a3fb4 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -992,7 +992,7 @@ static int __init at91_mci_probe(struct platform_device *pdev)
if (!res)
return -ENXIO;
- if (!request_mem_region(res->start, res->end - res->start + 1, DRIVER_NAME))
+ if (!request_mem_region(res->start, resource_size(res), DRIVER_NAME))
return -EBUSY;
mmc = mmc_alloc_host(sizeof(struct at91mci_host), &pdev->dev);
@@ -1063,7 +1063,7 @@ static int __init at91_mci_probe(struct platform_device *pdev)
/*
* Map I/O region
*/
- host->baseaddr = ioremap(res->start, res->end - res->start + 1);
+ host->baseaddr = ioremap(res->start, resource_size(res));
if (!host->baseaddr) {
ret = -ENOMEM;
goto fail1;
@@ -1135,7 +1135,7 @@ fail4:
fail5:
mmc_free_host(mmc);
fail6:
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
dev_err(&pdev->dev, "probe failed, err %d\n", ret);
return ret;
}
@@ -1176,7 +1176,7 @@ static int __exit at91_mci_remove(struct platform_device *pdev)
iounmap(host->baseaddr);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
mmc_free_host(mmc);
platform_set_drvdata(pdev, NULL);
--
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