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| author | Ian Abbott <abbotti@mev.co.uk> | 2012-10-24 16:48:02 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-24 15:25:21 -0700 |
| commit | ef0653ac20e739aba476ee63ca2a618a3a26857d (patch) | |
| tree | 411e39703ad40abe4102883e0e105b34c0ee3f47 /drivers | |
| parent | 71b3e9e8dc218133417d3c167632a61f9fed3651 (diff) | |
| download | linux-ef0653ac20e739aba476ee63ca2a618a3a26857d.tar.gz linux-ef0653ac20e739aba476ee63ca2a618a3a26857d.tar.bz2 linux-ef0653ac20e739aba476ee63ca2a618a3a26857d.zip | |
staging: comedi: amplc_dio200: add PCI BAR information to board
Add `mainbar` member to `struct dio200_board` to hold the PCI BAR number
for the main registers. This is `2` for the PCI boards currently
supported (PCI215 and PCI272) but will be different for some new boards
to be supported later.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/comedi/drivers/amplc_dio200.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/amplc_dio200.c b/drivers/staging/comedi/drivers/amplc_dio200.c index 39fb82b4eca8..2cbd2481aeeb 100644 --- a/drivers/staging/comedi/drivers/amplc_dio200.c +++ b/drivers/staging/comedi/drivers/amplc_dio200.c @@ -308,6 +308,7 @@ struct dio200_board { enum dio200_bustype bustype; enum dio200_model model; enum dio200_layout_idx layout; + unsigned char mainbar; }; static const struct dio200_board dio200_boards[] = { @@ -350,6 +351,7 @@ static const struct dio200_board dio200_boards[] = { .bustype = pci_bustype, .model = pci215_model, .layout = pc215_layout, + .mainbar = 2, }, { .name = "pci272", @@ -357,6 +359,7 @@ static const struct dio200_board dio200_boards[] = { .bustype = pci_bustype, .model = pci272_model, .layout = pc272_layout, + .mainbar = 2, }, #endif }; @@ -1573,8 +1576,10 @@ static int dio200_attach(struct comedi_device *dev, struct comedi_devconfig *it) static int __devinit dio200_attach_pci(struct comedi_device *dev, struct pci_dev *pci_dev) { + const struct dio200_board *thisboard; struct dio200_private *devpriv; resource_size_t base; + unsigned int bar; int ret; if (!DO_PCI) @@ -1593,15 +1598,17 @@ static int __devinit dio200_attach_pci(struct comedi_device *dev, dev_err(dev->class_dev, "BUG! cannot determine board type!\n"); return -EINVAL; } + thisboard = comedi_board(dev); ret = comedi_pci_enable(pci_dev, DIO200_DRIVER_NAME); if (ret < 0) { dev_err(dev->class_dev, "error! cannot enable PCI device and request regions!\n"); return ret; } - base = pci_resource_start(pci_dev, 2); - if ((pci_resource_flags(pci_dev, 2) & IORESOURCE_MEM) != 0) { - resource_size_t len = pci_resource_len(pci_dev, 2); + bar = thisboard->mainbar; + base = pci_resource_start(pci_dev, bar); + if ((pci_resource_flags(pci_dev, bar) & IORESOURCE_MEM) != 0) { + resource_size_t len = pci_resource_len(pci_dev, bar); devpriv->io.u.membase = ioremap_nocache(base, len); if (!devpriv->io.u.membase) { dev_err(dev->class_dev, |