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staging: comedi: jr3_pci: use pci_ioremap_bar()

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Use pci_ioremap_bar() to ioremap the PCI resources. That function
just takes the pci device and a bar number. It also has some
additional sanity checks to make sure the bar is actually a
memory resource.

This also makes sure that the entire PCI bar is ioremap'ed instead
of assuming the size of the bar.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-04-10 11:31:05 -07:00 committed by Greg Kroah-Hartman
parent cc3750883c
commit 8567a85168
1 changed files with 1 additions and 3 deletions
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4
drivers/staging/comedi/drivers/jr3_pci.c
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@ -705,9 +705,7 @@ static int jr3_pci_auto_attach(struct comedi_device *dev,
if (result)
return result;
devpriv->iobase = ioremap(pci_resource_start(pcidev, 0),
offsetof(struct jr3_t,
channel[devpriv->n_channels]));
devpriv->iobase = pci_ioremap_bar(pcidev, 0);
if (!devpriv->iobase)
return -ENOMEM;