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x86/acpi: move pin_programmed bit map to io_apic.c 

Prepare to call setup_io_apic_routing() in pcibios_irq_enable()
also remove not needed member apic_id.

[ Impact: clean up, prepare for future change ]

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Len Brown <lenb@kernel.org>
LKML-Reference: <4A01C3DD.3050104@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2009-05-06 10:07:41 -07:00 committed by Ingo Molnar
parent a31f82057c
commit bdfe8ac153
2 changed files with 26 additions and 17 deletions
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18
arch/x86/kernel/acpi/boot.c
View File

@ -904,10 +904,8 @@ extern int es7000_plat;
#endif
static struct {
int apic_id;
int gsi_base;
int gsi_end;
DECLARE_BITMAP(pin_programmed, MP_MAX_IOAPIC_PIN + 1);
} mp_ioapic_routing[MAX_IO_APICS];
int mp_find_ioapic(int gsi)
@ -996,7 +994,6 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
* Build basic GSI lookup table to facilitate gsi->io_apic lookups
* and to prevent reprogramming of IOAPIC pins (PCI GSIs).
*/
mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].apicid;
mp_ioapic_routing[idx].gsi_base = gsi_base;
mp_ioapic_routing[idx].gsi_end = gsi_base +
io_apic_get_redir_entries(idx);
@ -1189,7 +1186,7 @@ static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int triggering,
mp_irq.srcbus = number;
mp_irq.srcbusirq = (((devfn >> 3) & 0x1f) << 2) | ((pin - 1) & 3);
ioapic = mp_find_ioapic(gsi);
mp_irq.dstapic = mp_ioapic_routing[ioapic].apic_id;
mp_irq.dstapic = mp_ioapics[ioapic].apicid;
mp_irq.dstirq = mp_find_ioapic_pin(ioapic, gsi);
save_mp_irq(&mp_irq);
@ -1224,23 +1221,12 @@ int mp_register_gsi(struct device *dev, u32 gsi, int triggering, int polarity)
if (ioapic_pin > MP_MAX_IOAPIC_PIN) {
printk(KERN_ERR "Invalid reference to IOAPIC pin "
"%d-%d\n", mp_ioapic_routing[ioapic].apic_id,
"%d-%d\n", mp_ioapics[ioapic].apicid,
ioapic_pin);
return gsi;
}
mp_config_acpi_gsi(dev, gsi, triggering, polarity);
/*
* Avoid pin reprogramming. PRTs typically include entries
* with redundant pin->gsi mappings (but unique PCI devices);
* we only program the IOAPIC on the first.
*/
if (test_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed)) {
pr_debug("Pin %d-%d already programmed\n",
mp_ioapic_routing[ioapic].apic_id, ioapic_pin);
return gsi;
}
set_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed);
io_apic_set_pci_routing(dev, ioapic, ioapic_pin, gsi,
triggering == ACPI_EDGE_SENSITIVE ? 0 : 1,
polarity == ACPI_ACTIVE_HIGH ? 0 : 1);

25
arch/x86/kernel/apic/io_apic.c
View File

@ -3922,7 +3922,7 @@ int __init io_apic_get_version(int ioapic)
}
#endif
int io_apic_set_pci_routing(struct device *dev, int ioapic, int pin, int irq,
static int __io_apic_set_pci_routing(struct device *dev, int ioapic, int pin, int irq,
int triggering, int polarity)
{
struct irq_desc *desc;
@ -3959,6 +3959,29 @@ int io_apic_set_pci_routing(struct device *dev, int ioapic, int pin, int irq,
return 0;
}
static struct {
DECLARE_BITMAP(pin_programmed, MP_MAX_IOAPIC_PIN + 1);
} mp_ioapic_routing[MAX_IO_APICS];
int io_apic_set_pci_routing(struct device *dev, int ioapic, int pin, int irq,
int triggering, int polarity)
{
/*
* Avoid pin reprogramming. PRTs typically include entries
* with redundant pin->gsi mappings (but unique PCI devices);
* we only program the IOAPIC on the first.
*/
if (test_bit(pin, mp_ioapic_routing[ioapic].pin_programmed)) {
pr_debug("Pin %d-%d already programmed\n",
mp_ioapics[ioapic].apicid, pin);
return 0;
}
set_bit(pin, mp_ioapic_routing[ioapic].pin_programmed);
return __io_apic_set_pci_routing(dev, ioapic, pin, irq,
triggering, polarity);
}
int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
{