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iop-adma.c: use resource_size() 

The size of the requested and ioremaped memory is off by 1.
Use resource_size() to get the correct value.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
hifive-unleashed-5.1
H Hartley Sweeten 2009-12-11 21:24:33 -07:00 committed by Dan Williams
parent a88f666707
commit 2e032b62c4
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/iop-adma.c
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@ -1470,7 +1470,7 @@ static int __devinit iop_adma_probe(struct platform_device *pdev)
return -ENODEV;
if (!devm_request_mem_region(&pdev->dev, res->start,
res->end - res->start, pdev->name))
resource_size(res), pdev->name))
return -EBUSY;
adev = kzalloc(sizeof(*adev), GFP_KERNEL);
@ -1542,7 +1542,7 @@ static int __devinit iop_adma_probe(struct platform_device *pdev)
iop_chan->device = adev;
iop_chan->mmr_base = devm_ioremap(&pdev->dev, res->start,
res->end - res->start);
resource_size(res));
if (!iop_chan->mmr_base) {
ret = -ENOMEM;
goto err_free_iop_chan;