lanai: use pci_dev->subsystem_device

The driver reads PCI subsystem IDs from the PCI configuration registers while
it is already stored by the PCI subsystem in the 'subsystem_device' field of
'struct pci_dev'...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sergei Shtylyov 2011-07-12 07:59:38 -07:00 committed by David S. Miller
parent bd0d7aa6b2
commit b691347a92

View File

@ -1947,7 +1947,6 @@ static int __devinit lanai_pci_start(struct lanai_dev *lanai)
{
struct pci_dev *pci = lanai->pci;
int result;
u16 w;
if (pci_enable_device(pci) != 0) {
printk(KERN_ERR DEV_LABEL "(itf %d): can't enable "
@ -1965,13 +1964,7 @@ static int __devinit lanai_pci_start(struct lanai_dev *lanai)
"(itf %d): No suitable DMA available.\n", lanai->number);
return -EBUSY;
}
result = pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &w);
if (result != PCIBIOS_SUCCESSFUL) {
printk(KERN_ERR DEV_LABEL "(itf %d): can't read "
"PCI_SUBSYSTEM_ID: %d\n", lanai->number, result);
return -EINVAL;
}
result = check_board_id_and_rev("PCI", w, NULL);
result = check_board_id_and_rev("PCI", pci->subsystem_device, NULL);
if (result != 0)
return result;
/* Set latency timer to zero as per lanai docs */