[patch 07/48] parport: parport_serial, dont bind netmos ibm 0299

[Greg KH]

2.6.28-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Jiri Slaby <jirislaby@xxxxxxxxx>

commit 3abdbf90a3ffb006108c831c56b092e35483b6ec upstream.

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@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/parport/parport_serial.c |    5 +++++
 1 file changed, 5 insertions(+)

--- 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

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