aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/x86/kernel/io_apic_32.c47
1 files changed, 15 insertions, 32 deletions
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index e400f77eb0e..97ac6104d63 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -1091,39 +1091,22 @@ static int pin_2_irq(int idx, int apic, int pin)
if (mp_irqs[idx].mpc_dstirq != pin)
printk(KERN_ERR "broken BIOS or MPTABLE parser, ayiee!!\n");
- switch (mp_bus_id_to_type[bus])
- {
- case MP_BUS_ISA: /* ISA pin */
- case MP_BUS_EISA:
- case MP_BUS_MCA:
- {
- irq = mp_irqs[idx].mpc_srcbusirq;
- break;
- }
- case MP_BUS_PCI: /* PCI pin */
- {
- /*
- * PCI IRQs are mapped in order
- */
- i = irq = 0;
- while (i < apic)
- irq += nr_ioapic_registers[i++];
- irq += pin;
-
- /*
- * For MPS mode, so far only needed by ES7000 platform
- */
- if (ioapic_renumber_irq)
- irq = ioapic_renumber_irq(apic, irq);
+ if (test_bit(bus, mp_bus_not_pci))
+ irq = mp_irqs[idx].mpc_srcbusirq;
+ else {
+ /*
+ * PCI IRQs are mapped in order
+ */
+ i = irq = 0;
+ while (i < apic)
+ irq += nr_ioapic_registers[i++];
+ irq += pin;
- break;
- }
- default:
- {
- printk(KERN_ERR "unknown bus type %d.\n",bus);
- irq = 0;
- break;
- }
+ /*
+ * For MPS mode, so far only needed by ES7000 platform
+ */
+ if (ioapic_renumber_irq)
+ irq = ioapic_renumber_irq(apic, irq);
}
/*