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Message-ID: <tip-bdfe8ac153546537ed24de69610ea781a734f785@git.kernel.org>
Date: Mon, 11 May 2009 09:52:39 GMT
From: tip-bot for Yinghai Lu <yinghai@...nel.org>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
yinghai@...nel.org, lenb@...nel.org, akpm@...ux-foundation.org,
jbarnes@...tuousgeek.org, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:irq/numa] x86/acpi: move pin_programmed bit map to io_apic.c
Commit-ID: bdfe8ac153546537ed24de69610ea781a734f785
Gitweb: http://git.kernel.org/tip/bdfe8ac153546537ed24de69610ea781a734f785
Author: Yinghai Lu <yinghai@...nel.org>
AuthorDate: Wed, 6 May 2009 10:07:41 -0700
Committer: Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 11 May 2009 10:35:08 +0200
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@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Jesse Barnes <jbarnes@...tuousgeek.org>
Cc: Len Brown <lenb@...nel.org>
LKML-Reference: <4A01C3DD.3050104@...nel.org>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
arch/x86/kernel/acpi/boot.c | 18 ++----------------
arch/x86/kernel/apic/io_apic.c | 25 ++++++++++++++++++++++++-
2 files changed, 26 insertions(+), 17 deletions(-)
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 8019ecf..dcfbc3a 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -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);
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 21c30e1..e279ae3 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -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)
{
--
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