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>
diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
index 4e8ba56..e828c54 100644
--- a/drivers/atm/lanai.c
+++ b/drivers/atm/lanai.c
@@ -1947,7 +1947,6 @@
{
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 @@
"(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 */
