diff options
Diffstat (limited to 'drivers/parport/parport_serial.c')
| -rw-r--r-- | drivers/parport/parport_serial.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/parport/parport_serial.c b/drivers/parport/parport_serial.c index f3492110b1ad..c3bb84ac931e 100644 --- a/drivers/parport/parport_serial.c +++ b/drivers/parport/parport_serial.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/pci.h> +#include <linux/interrupt.h> #include <linux/parport.h> #include <linux/parport_pc.h> #include <linux/8250_pci.h> @@ -311,6 +312,7 @@ static int __devinit parport_register (struct pci_dev *dev, int lo = card->addr[n].lo; int hi = card->addr[n].hi; unsigned long io_lo, io_hi; + int irq; if (priv->num_par == ARRAY_SIZE (priv->port)) { printk (KERN_WARNING @@ -329,10 +331,20 @@ static int __devinit parport_register (struct pci_dev *dev, "hi" as an offset (see SYBA def.) */ /* TODO: test if sharing interrupts works */ - dev_dbg(&dev->dev, "PCI parallel port detected: I/O at " - "%#lx(%#lx)\n", io_lo, io_hi); - port = parport_pc_probe_port (io_lo, io_hi, PARPORT_IRQ_NONE, - PARPORT_DMA_NONE, &dev->dev); + irq = dev->irq; + if (irq == IRQ_NONE) { + dev_dbg(&dev->dev, + "PCI parallel port detected: I/O at %#lx(%#lx)\n", + io_lo, io_hi); + irq = PARPORT_IRQ_NONE; + } else { + dev_dbg(&dev->dev, + "PCI parallel port detected: I/O at %#lx(%#lx), IRQ %d\n", + io_lo, io_hi, irq); + irq = PARPORT_IRQ_NONE; + } + port = parport_pc_probe_port (io_lo, io_hi, irq, + PARPORT_DMA_NONE, &dev->dev, IRQF_SHARED); if (port) { priv->port[priv->num_par++] = port; success = 1; |