[PATCH] at_hdmac.c: use resource_size()

From: H Hartley Sweeten
Date: Thu Dec 10 2009 - 20:30:00 EST


Use resource_size() for ioremap.

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
---

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index c52ac9e..e16057b 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -1012,7 +1012,7 @@ static int __init at_dma_probe(struct platform_device *pdev)
atdma->dma_common.cap_mask = pdata->cap_mask;
atdma->all_chan_mask = (1 << pdata->nr_channels) - 1;

- size = io->end - io->start + 1;
+ size = resource_size(io);
if (!request_mem_region(io->start, size, pdev->dev.driver->name)) {
err = -EBUSY;
goto err_kfree;
--
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