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Convert the oxsemi tornado special cases to use the quirk interface and not 

scribble on its own reference structures.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Russell King 2009-01-02 13:44:20 +00:00 committed by Linus Torvalds
parent 8c056e5b14
commit 9f2a036aaa
1 changed files with 51 additions and 40 deletions
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91
drivers/serial/8250_pci.c
View File

@ -737,6 +737,38 @@ static void __devexit pci_ite887x_exit(struct pci_dev *dev)
release_region(ioport, ITE_887x_IOSIZE);
}
/*
* Oxford Semiconductor Inc.
* Check that device is part of the Tornado range of devices, then determine
* the number of ports available on the device.
*/
static int pci_oxsemi_tornado_init(struct pci_dev *dev)
{
u8 __iomem *p;
unsigned long deviceID;
unsigned int number_uarts = 0;
/* OxSemi Tornado devices are all 0xCxxx */
if (dev->vendor == PCI_VENDOR_ID_OXSEMI &&
(dev->device & 0xF000) != 0xC000)
return 0;
p = pci_iomap(dev, 0, 5);
if (p == NULL)
return -ENOMEM;
deviceID = ioread32(p);
/* Tornado device */
if (deviceID == 0x07000200) {
number_uarts = ioread8(p + 4);
printk(KERN_DEBUG
"%d ports detected on Oxford PCI Express device\n",
number_uarts);
}
pci_iounmap(dev, p);
return number_uarts;
}
static int
pci_default_setup(struct serial_private *priv, struct pciserial_board *board,
struct uart_port *port, int idx)
@ -1017,6 +1049,25 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
.init = pci_netmos_init,
.setup = pci_default_setup,
},
/*
* For Oxford Semiconductor and Mainpine
*/
{
.vendor = PCI_VENDOR_ID_OXSEMI,
.device = PCI_ANY_ID,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.init = pci_oxsemi_tornado_init,
.setup = pci_default_setup,
},
{
.vendor = PCI_VENDOR_ID_MAINPINE,
.device = PCI_ANY_ID,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.init = pci_oxsemi_tornado_init,
.setup = pci_default_setup,
},
/*
* Default "match everything" terminator entry
*/
@ -1854,39 +1905,6 @@ serial_pci_matches(struct pciserial_board *board,
board->first_offset == guessed->first_offset;
}
/*
* Oxford Semiconductor Inc.
* Check that device is part of the Tornado range of devices, then determine
* the number of ports available on the device.
*/
static int pci_oxsemi_tornado_init(struct pci_dev *dev, struct pciserial_board *board)
{
u8 __iomem *p;
unsigned long deviceID;
unsigned int number_uarts;
/* OxSemi Tornado devices are all 0xCxxx */
if (dev->vendor == PCI_VENDOR_ID_OXSEMI &&
(dev->device & 0xF000) != 0xC000)
return 0;
p = pci_iomap(dev, 0, 5);
if (p == NULL)
return -ENOMEM;
deviceID = ioread32(p);
/* Tornado device */
if (deviceID == 0x07000200) {
number_uarts = ioread8(p + 4);
board->num_ports = number_uarts;
printk(KERN_DEBUG
"%d ports detected on Oxford PCI Express device\n",
number_uarts);
}
pci_iounmap(dev, p);
return 0;
}
struct serial_private *
pciserial_init_ports(struct pci_dev *dev, struct pciserial_board *board)
{
@ -1895,13 +1913,6 @@ pciserial_init_ports(struct pci_dev *dev, struct pciserial_board *board)
struct pci_serial_quirk *quirk;
int rc, nr_ports, i;
/*
* Find number of ports on board
*/
if (dev->vendor == PCI_VENDOR_ID_OXSEMI ||
dev->vendor == PCI_VENDOR_ID_MAINPINE)
pci_oxsemi_tornado_init(dev, board);
nr_ports = board->num_ports;
/*