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x86: unify mp_config_acpi_legacy_irqs

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Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Alexey Starikovskiy 2008-04-04 23:43:06 +04:00 committed by Ingo Molnar
parent 57b733e902
commit c769bfee57
1 changed files with 16 additions and 4 deletions
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20
arch/x86/kernel/mpparse_64.c
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@ -804,19 +804,31 @@ void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
panic("Max # of irq sources exceeded!\n");
}
int es7000_plat;
void __init mp_config_acpi_legacy_irqs(void)
{
struct mpc_config_intsrc intsrc;
int i = 0;
int ioapic = -1;
/*
#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
/*
* Fabricate the legacy ISA bus (bus #31).
*/
mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA;
#endif
set_bit(MP_ISA_BUS, mp_bus_not_pci);
Dprintk("Bus #%d is ISA\n", MP_ISA_BUS);
/*
* Locate the IOAPIC that manages the ISA IRQs (0-15).
/*
* Older generations of ES7000 have no legacy identity mappings
*/
if (es7000_plat == 1)
return;
/*
* Locate the IOAPIC that manages the ISA IRQs (0-15).
*/
ioapic = mp_find_ioapic(0);
if (ioapic < 0)
@ -827,7 +839,7 @@ void __init mp_config_acpi_legacy_irqs(void)
intsrc.mpc_srcbus = MP_ISA_BUS;
intsrc.mpc_dstapic = mp_ioapics[ioapic].mpc_apicid;
/*
/*
* Use the default configuration for the IRQs 0-15. Unless
* overridden by (MADT) interrupt source override entries.
*/