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Subject[tip:x86/irq] x86, irq: Kill io_apic_renumber_irq
Commit-ID:  7b20bd5fb902088579af4e70f7f802b93181a628
Gitweb: http://git.kernel.org/tip/7b20bd5fb902088579af4e70f7f802b93181a628
Author: Eric W. Biederman <ebiederm@xmission.com>
AuthorDate: Tue, 30 Mar 2010 01:07:16 -0700
Committer: H. Peter Anvin <hpa@zytor.com>
CommitDate: Tue, 4 May 2010 13:35:20 -0700

x86, irq: Kill io_apic_renumber_irq

Now that the generic irq layer is performing the exact same remapping as
io_apic_renumber_irq we can kill this weird es7000 specific function.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
LKML-Reference: <1269936436-7039-15-git-send-email-ebiederm@xmission.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
arch/x86/include/asm/io_apic.h | 1 -
arch/x86/kernel/acpi/boot.c | 5 -----
arch/x86/kernel/apic/es7000_32.c | 19 -------------------
arch/x86/kernel/apic/io_apic.c | 6 ------
4 files changed, 0 insertions(+), 31 deletions(-)
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 37b0f2b..9da192a 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -159,7 +159,6 @@ struct io_apic_irq_attr;
extern int io_apic_set_pci_routing(struct device *dev, int irq,
struct io_apic_irq_attr *irq_attr);
void setup_IO_APIC_irq_extra(u32 gsi);
-extern int (*ioapic_renumber_irq)(int ioapic, int irq);
extern void ioapic_init_mappings(void);
extern void ioapic_insert_resources(void);

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 325fbba..9a5ed58 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1117,11 +1117,6 @@ int mp_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)

ioapic_pin = mp_find_ioapic_pin(ioapic, gsi);

-#ifdef CONFIG_X86_32
- if (ioapic_renumber_irq)
- gsi = ioapic_renumber_irq(ioapic, gsi);
-#endif
-
if (ioapic_pin > MP_MAX_IOAPIC_PIN) {
printk(KERN_ERR "Invalid reference to IOAPIC pin "
"%d-%d\n", mp_ioapics[ioapic].apicid,
diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c
index 03ba1b8..425e53a 100644
--- a/arch/x86/kernel/apic/es7000_32.c
+++ b/arch/x86/kernel/apic/es7000_32.c
@@ -131,24 +131,6 @@ int es7000_plat;

static unsigned int base;

-static int
-es7000_rename_gsi(int ioapic, int gsi)
-{
- if (es7000_plat == ES7000_ZORRO)
- return gsi;
-
- if (!base) {
- int i;
- for (i = 0; i < nr_ioapics; i++)
- base += nr_ioapic_registers[i];
- }
-
- if (!ioapic && (gsi < 16))
- gsi += base;
-
- return gsi;
-}
-
static int __cpuinit wakeup_secondary_cpu_via_mip(int cpu, unsigned long eip)
{
unsigned long vect = 0, psaival = 0;
@@ -190,7 +172,6 @@ static void setup_unisys(void)
es7000_plat = ES7000_ZORRO;
else
es7000_plat = ES7000_CLASSIC;
- ioapic_renumber_irq = es7000_rename_gsi;
}

/*
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 594827c..d174d88 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1016,7 +1016,6 @@ static inline int irq_trigger(int idx)
return MPBIOS_trigger(idx);
}

-int (*ioapic_renumber_irq)(int ioapic, int irq);
static int pin_2_irq(int idx, int apic, int pin)
{
int irq;
@@ -1032,11 +1031,6 @@ static int pin_2_irq(int idx, int apic, int pin)
irq = mp_irqs[idx].srcbusirq;
} else {
u32 gsi = mp_gsi_routing[apic].gsi_base + pin;
- /*
- * For MPS mode, so far only needed by ES7000 platform
- */
- if (ioapic_renumber_irq)
- gsi = ioapic_renumber_irq(apic, gsi);

if (gsi >= NR_IRQS_LEGACY)
irq = gsi;

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