diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/rtd520.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/rtd520.c | 33 |
1 files changed, 1 insertions, 32 deletions
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 32766edcde37..1678a0ccb8c1 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -1081,30 +1081,12 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) #endif } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int rtd_detach(struct comedi_device *dev) +static void rtd_detach(struct comedi_device *dev) { #ifdef USE_DMA int index; #endif - DPRINTK("comedi%d: rtd520: removing (%ld ints)\n", - dev->minor, (devpriv ? devpriv->intCount : 0L)); - if (devpriv && devpriv->lcfg) { - DPRINTK - ("(int status 0x%x, overrun status 0x%x, fifo status 0x%x)...\n", - 0xffff & RtdInterruptStatus(dev), - 0xffff & RtdInterruptOverrunStatus(dev), - (0xffff & RtdFifoStatus(dev)) ^ 0x6666); - } - if (devpriv) { /* Shut down any board ops by resetting it */ #ifdef USE_DMA @@ -1141,37 +1123,24 @@ static int rtd_detach(struct comedi_device *dev) devpriv->dma0Chain = NULL; } #endif /* USE_DMA */ - - /* release IRQ */ if (dev->irq) { - /* disable interrupt controller */ RtdPlxInterruptWrite(dev, RtdPlxInterruptRead(dev) & ~(ICS_PLIE | ICS_DMA0_E | ICS_DMA1_E)); free_irq(dev->irq, dev); } - - /* release all regions that were allocated */ if (devpriv->las0) iounmap(devpriv->las0); - if (devpriv->las1) iounmap(devpriv->las1); - if (devpriv->lcfg) iounmap(devpriv->lcfg); - if (devpriv->pci_dev) { if (devpriv->got_regions) comedi_pci_disable(devpriv->pci_dev); - pci_dev_put(devpriv->pci_dev); } } - - printk(KERN_INFO "comedi%d: rtd520: removed.\n", dev->minor); - - return 0; } /* |