diff options
| author |   Frédéric Brière <fbriere@fbriere.net> | 2011-05-29 15:08:03 -0400 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2011-06-07 09:35:56 -0700 |
| commit | 5bf8f501e05930364b345ed8710c5b1a13207134 (patch) | |
| tree | d90861301e0c78a83bfc4575b9401dce05146a5b | |
| parent | Basic support for Moschip 9900 family I/O chips (diff) | |
| download | linux-dev-5bf8f501e05930364b345ed8710c5b1a13207134.tar.xz linux-dev-5bf8f501e05930364b345ed8710c5b1a13207134.zip | |
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>
| -rw-r--r-- | drivers/tty/serial/8250_pci.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250_pci.c b/drivers/tty/serial/8250_pci.c index 0b255cef57e0..9b119fe9257f 100644 --- a/drivers/tty/serial/8250_pci.c +++ b/drivers/tty/serial/8250_pci.c @@ -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); |