tc35815: Use irq number for tc35815-mac platform device id

The tc35815-mac platform device used a pci bus number and a devfn to
identify its target device, but the pci bus number may vary if some
bus-bridges are found.  Use irq number which is be unique for embedded
controllers.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/mips/tx4938/toshiba_rbtx4938/setup.c b/arch/mips/tx4938/toshiba_rbtx4938/setup.c
index 4a8152375efe..632e5d201353 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/setup.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/setup.c
@@ -598,8 +598,8 @@ static int __init rbtx4938_ethaddr_init(void)
                         printk(KERN_WARNING "seeprom: bad checksum.\n");
         }
         for (i = 0; i < 2; i++) {
-                unsigned int slot = TX4938_PCIC_IDSEL_AD_TO_SLOT(31 - i);
-                unsigned int id = (1 << 8) | PCI_DEVFN(slot, 0); /* bus 1 */
+                unsigned int id =
+                        TXX9_IRQ_BASE + (i ? TX4938_IR_ETH1 : TX4938_IR_ETH0);
                 struct platform_device *pdev;
                 if (!(tx4938_ccfgptr->pcfg &
                       (i ? TX4938_PCFG_ETH1_SEL : TX4938_PCFG_ETH0_SEL)))