Use the size returned by pci_resource_len() when ioremap'ing the pci bars instead of assuming a size.
Signed-off-by: H Hartley Sweeten <[email protected]> Cc: Ian Abbott <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> --- drivers/staging/comedi/drivers/rtd520.c | 26 ++++++-------------------- 1 file changed, 6 insertions(+), 20 deletions(-) diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index fc0b133..e33a233 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -147,18 +147,6 @@ Configuration options: Board specific stuff ======================================================================*/ -/* - The board has three memory windows: las0, las1, and lcfg (the PCI chip) - Las1 has the data and can be burst DMAed 32bits at a time. -*/ -#define LCFG_PCIINDEX 0 -/* PCI region 1 is a 256 byte IO space mapping. Use??? */ -#define LAS0_PCIINDEX 2 /* PCI memory resources */ -#define LAS1_PCIINDEX 3 -#define LCFG_PCISIZE 0x100 -#define LAS0_PCISIZE 0x200 -#define LAS1_PCISIZE 0x10 - #define RTD_CLOCK_RATE 8000000 /* 8Mhz onboard clock */ #define RTD_CLOCK_BASE 125 /* clock period in ns */ @@ -1591,7 +1579,6 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) struct rtdPrivate *devpriv; struct pci_dev *pcidev; struct comedi_subdevice *s; - resource_size_t pci_base; int ret; #ifdef USE_DMA int index; @@ -1626,13 +1613,12 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) } dev->iobase = 1; /* the "detach" needs this */ - /* Initialize the base addresses */ - pci_base = pci_resource_start(pcidev, LAS0_PCIINDEX); - devpriv->las0 = ioremap_nocache(pci_base, LAS0_PCISIZE); - pci_base = pci_resource_start(pcidev, LAS1_PCIINDEX); - devpriv->las1 = ioremap_nocache(pci_base, LAS1_PCISIZE); - pci_base = pci_resource_start(pcidev, LCFG_PCIINDEX); - devpriv->lcfg = ioremap_nocache(pci_base, LCFG_PCISIZE); + devpriv->las0 = ioremap_nocache(pci_resource_start(pcidev, 2), + pci_resource_len(pcidev, 2)); + devpriv->las1 = ioremap_nocache(pci_resource_start(pcidev, 3), + pci_resource_len(pcidev, 3)); + devpriv->lcfg = ioremap_nocache(pci_resource_start(pcidev, 0), + pci_resource_len(pcidev, 0)); if (!devpriv->las0 || !devpriv->las1 || !devpriv->lcfg) return -ENOMEM; -- 1.7.11 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
