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serial: 8250_pci: add .probe member to struct pci_serial_quirk 

This function, if present, is called early on by the 8250_pci probe; it
can be used to reject devices meant for parport_serial.  (The .init
function cannot be used for this purpose, as it is also called by
parport_serial.)

Signed-off-by: Frédéric Brière <fbriere@fbriere.net>
Acked-by: Alan Cox <alan@linux.intel.com>
Cc: linux-serial@vger.kernel.org
Cc: linux-parport@lists.infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Frédéric Brière 2011-05-29 15:08:03 -04:00 committed by Greg Kroah-Hartman
parent 7808edcd30
commit 5bf8f501e0
1 changed files with 9 additions and 0 deletions
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9
drivers/tty/serial/8250_pci.c
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@ -39,6 +39,7 @@ struct pci_serial_quirk {
u32 device;
u32 subvendor;
u32 subdevice;
int (*probe)(struct pci_dev *dev);
int (*init)(struct pci_dev *dev);
int (*setup)(struct serial_private *,
const struct pciserial_board *,
@ -2662,11 +2663,19 @@ EXPORT_SYMBOL_GPL(pciserial_resume_ports);
static int __devinit
pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent)
{
struct pci_serial_quirk *quirk;
struct serial_private *priv;
const struct pciserial_board *board;
struct pciserial_board tmp;
int rc;
quirk = find_quirk(dev);
if (quirk->probe) {
rc = quirk->probe(dev);
if (rc)
return rc;
}
if (ent->driver_data >= ARRAY_SIZE(pci_boards)) {
printk(KERN_ERR "pci_init_one: invalid driver_data: %ld\n",
ent->driver_data);