diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/8250/8250_exar.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index 72385c7d2eda..f14f73d250bb 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -177,12 +177,14 @@ struct exar8250_platform { * struct exar8250_board - board information * @num_ports: number of serial ports * @reg_shift: describes UART register mapping in PCI memory - * @setup: quirk run at ->probe() stage + * @board_init: quirk run once at ->probe() stage before setting up ports + * @setup: quirk run at ->probe() stage for each port * @exit: quirk run at ->remove() stage */ struct exar8250_board { unsigned int num_ports; unsigned int reg_shift; + int (*board_init)(struct exar8250 *priv, struct pci_dev *pcidev); int (*setup)(struct exar8250 *, struct pci_dev *, struct uart_8250_port *, int); void (*exit)(struct pci_dev *pcidev); @@ -773,6 +775,15 @@ exar_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) if (rc) return rc; + if (board->board_init) { + rc = board->board_init(priv, pcidev); + if (rc) { + dev_err_probe(&pcidev->dev, rc, + "failed to init serial board\n"); + return rc; + } + } + for (i = 0; i < nr_ports && i < maxnr; i++) { rc = board->setup(priv, pcidev, &uart, i); if (rc) { |