[PATCH 1/2] serial: 8250_pci: add .probe member to struct pci_serial_quirk
in [Kernel]
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From: Frédéric Brière on 12 Jul 2010 11:50 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(a)fbriere.net> --- drivers/serial/8250_pci.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index 01c012d..d9b9a63 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -41,6 +41,7 @@ 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 *, @@ -2470,11 +2471,19 @@ 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); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |