diff options
| author | Alexey Starikovskiy <astarikovskiy@suse.de> | 2008-04-04 23:43:06 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:41:36 +0200 |
| commit | c769bfee5731f2614983bd7a9079eb90514e4b9f (patch) | |
| tree | afd90b8d09fa5ba50ca4484edf1619f68526a4a6 | |
| parent | 57b733e902f179dc453609db6334f8e9801cbb7a (diff) | |
| download | lwn-c769bfee5731f2614983bd7a9079eb90514e4b9f.tar.gz lwn-c769bfee5731f2614983bd7a9079eb90514e4b9f.zip | |
x86: unify mp_config_acpi_legacy_irqs
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/mpparse_64.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/arch/x86/kernel/mpparse_64.c b/arch/x86/kernel/mpparse_64.c index 5f1f7fdcd627..8ad365136a6b 100644 --- a/arch/x86/kernel/mpparse_64.c +++ b/arch/x86/kernel/mpparse_64.c @@ -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. */ |