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Subject[PATCH] dma: at_hdmac.c: use resource_size
Date
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vinod Koul <vinod.koul@intel.com>

---

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 36144f8..6a483ea 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -1216,7 +1216,7 @@ 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;
@@ -1362,7 +1362,7 @@ static int __exit at_dma_remove(struct platform_device *pdev)
atdma->regs = NULL;

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

kfree(atdma);


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