diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-07-27 11:32:04 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-07-27 11:32:04 +0100 |
| commit | 72ce9a83331afdd4df944f210a5210bf5acb7d6a (patch) | |
| tree | 232cb0eefd8f62916e0a5732e876742517bfce25 /drivers | |
| parent | 1c7c1fe51629d82e1dff22b2c4d409b252fb2b05 (diff) | |
[SERIAL] Factor out the common setup from the per-serial port loop.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/8250_pci.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index 84c8f8f592ca..8f2617206e8f 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -110,8 +110,9 @@ setup_port(struct pci_dev *dev, struct uart_port *port, if (bar >= PCI_NUM_BAR_RESOURCES) return -EINVAL; + base = pci_resource_start(dev, bar); + if (pci_resource_flags(dev, bar) & IORESOURCE_MEM) { - base = pci_resource_start(dev, bar); len = pci_resource_len(dev, bar); if (!priv->remapped_bar[bar]) @@ -120,13 +121,16 @@ setup_port(struct pci_dev *dev, struct uart_port *port, return -ENOMEM; port->iotype = UPIO_MEM; + port->iobase = 0; port->mapbase = base + offset; port->membase = priv->remapped_bar[bar] + offset; port->regshift = regshift; } else { - base = pci_resource_start(dev, bar) + offset; port->iotype = UPIO_PORT; - port->iobase = base; + port->iobase = base + offset; + port->mapbase = 0; + port->membase = NULL; + port->regshift = 0; } return 0; } @@ -991,7 +995,7 @@ static struct pci_serial_quirk *find_quirk(struct pci_dev *dev) } static _INLINE_ int -get_pci_irq(struct pci_dev *dev, struct pciserial_board *board, int idx) +get_pci_irq(struct pci_dev *dev, struct pciserial_board *board) { if (board->flags & FL_NOIRQ) return 0; @@ -1649,6 +1653,7 @@ serial_pci_matches(struct pciserial_board *board, static int __devinit pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent) { + struct uart_port serial_port; struct serial_private *priv; struct pciserial_board *board, tmp; struct pci_serial_quirk *quirk; @@ -1731,17 +1736,16 @@ pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent) priv->quirk = quirk; pci_set_drvdata(dev, priv); + memset(&serial_port, 0, sizeof(struct uart_port)); + serial_port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; + serial_port.uartclk = board->base_baud * 16; + serial_port.irq = get_pci_irq(dev, board); + serial_port.dev = &dev->dev; + for (i = 0; i < nr_ports; i++) { - struct uart_port serial_port; - memset(&serial_port, 0, sizeof(struct uart_port)); - - serial_port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF | - UPF_SHARE_IRQ; - serial_port.uartclk = board->base_baud * 16; - serial_port.irq = get_pci_irq(dev, board, i); - serial_port.dev = &dev->dev; if (quirk->setup(dev, board, &serial_port, i)) break; + #ifdef SERIAL_DEBUG_PCI printk("Setup PCI port: port %x, irq %d, type %d\n", serial_port.iobase, serial_port.irq, serial_port.iotype); |