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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2005-07-27 11:32:04 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-07-27 11:32:04 +0100
commit72ce9a83331afdd4df944f210a5210bf5acb7d6a (patch)
tree232cb0eefd8f62916e0a5732e876742517bfce25 /drivers/serial/8250_pci.c
parent1c7c1fe51629d82e1dff22b2c4d409b252fb2b05 (diff)
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[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/serial/8250_pci.c')
-rw-r--r--drivers/serial/8250_pci.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index 84c8f8f..8f26172 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);