parport: parport_serial, don't bind netmos ibm 0299

Since netmos 9835 with subids 0x1014(IBM):0x0299 is now bound with
serial/8250_pci, because it has no parallel ports and subdevice id isn't
in the expected form, return -ENODEV from probe function.

This is performed in netmos preinit_hook.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/parport/parport_serial.c b/drivers/parport/parport_serial.c
index 101ed49a2d15609937acbcf964274ed3f12d8360..032db815b0f9784f6835548d68333edc4c376022 100644 (file)
--- a/drivers/parport/parport_serial.c
+++ b/drivers/parport/parport_serial.c
@@ -64,6 +64,11 @@ struct parport_pc_pci {
 
 static int __devinit netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *card, int autoirq, int autodma)
 {
+       /* the rule described below doesn't hold for this device */
+       if (dev->device == PCI_DEVICE_ID_NETMOS_9835 &&
+                       dev->subsystem_vendor == PCI_VENDOR_ID_IBM &&
+                       dev->subsystem_device == 0x0299)
+               return -ENODEV;
        /*
         * Netmos uses the subdevice ID to indicate the number of parallel
         * and serial ports.  The form is 0x00PS, where <P> is the number of