diff options
| author | Maciej W. Rozycki <macro@linux-mips.org> | 2008-07-13 02:29:42 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-13 09:43:48 (GMT) |
| commit | ce8b06b985ae48f9425de6e4641e77cb3613ef00 (patch) | |
| tree | 5aa88135a3b65118a48b8615d5eec50f633044d4 | |
| parent | 3d88cca7085cffce077f808f36551e9050eb9e3a (diff) | |
| download | linux-fsl-qoriq-ce8b06b985ae48f9425de6e4641e77cb3613ef00.tar.xz | |
x86: I/O APIC: remove an IRQ2-mask hack
Now that IRQ2 is never made available to the I/O APIC, there is no need
to special-case it and mask as a workaround for broken systems. Actually,
because of the former, mask_IO_APIC_irq(2) is a no-op already.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/acpi/boot.c | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/io_apic_32.c | 10 | ||||
| -rw-r--r-- | arch/x86/kernel/io_apic_64.c | 10 | ||||
| -rw-r--r-- | include/asm-x86/genapic_32.h | 5 | ||||
| -rw-r--r-- | include/asm-x86/genapic_64.h | 6 |
5 files changed, 0 insertions, 32 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 785700a..f489d7a 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -1409,7 +1409,6 @@ static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d) { pr_notice("%s detected: Ignoring BIOS IRQ0 pin2 override\n", d->ident); acpi_skip_timer_override = 1; - force_mask_ioapic_irq_2(); return 0; } diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index c50adb8..603261a 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -59,13 +59,6 @@ static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; static DEFINE_SPINLOCK(ioapic_lock); static DEFINE_SPINLOCK(vector_lock); -static bool mask_ioapic_irq_2 __initdata; - -void __init force_mask_ioapic_irq_2(void) -{ - mask_ioapic_irq_2 = true; -} - int timer_through_8259 __initdata; /* @@ -2187,9 +2180,6 @@ static inline void __init check_timer(void) printk(KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n", vector, apic1, pin1, apic2, pin2); - if (mask_ioapic_irq_2) - mask_IO_APIC_irq(2); - /* * Some BIOS writers are clueless and report the ExtINTA * I/O APIC input from the cascaded 8259A as the timer diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 9e645cb..b16ef02 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -94,13 +94,6 @@ static int no_timer_check; static int disable_timer_pin_1 __initdata; -static bool mask_ioapic_irq_2 __initdata; - -void __init force_mask_ioapic_irq_2(void) -{ - mask_ioapic_irq_2 = true; -} - int timer_through_8259 __initdata; /* Where if anywhere is the i8259 connect in external int mode */ @@ -1706,9 +1699,6 @@ static inline void __init check_timer(void) apic_printk(APIC_VERBOSE,KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n", cfg->vector, apic1, pin1, apic2, pin2); - if (mask_ioapic_irq_2) - mask_IO_APIC_irq(2); - /* * Some BIOS writers are clueless and report the ExtINTA * I/O APIC input from the cascaded 8259A as the timer diff --git a/include/asm-x86/genapic_32.h b/include/asm-x86/genapic_32.h index 33a73f5..b02ea6e 100644 --- a/include/asm-x86/genapic_32.h +++ b/include/asm-x86/genapic_32.h @@ -119,10 +119,5 @@ enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC}; #define is_uv_system() 0 #define uv_wakeup_secondary(a, b) 1 -#ifdef CONFIG_X86_IO_APIC -extern void force_mask_ioapic_irq_2(void); -#else -static inline void force_mask_ioapic_irq_2(void) { } -#endif #endif diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h index 647e4e5..0f85046 100644 --- a/include/asm-x86/genapic_64.h +++ b/include/asm-x86/genapic_64.h @@ -46,10 +46,4 @@ extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip); extern void setup_apic_routing(void); -#ifdef CONFIG_X86_IO_APIC -extern void force_mask_ioapic_irq_2(void); -#else -static inline void force_mask_ioapic_irq_2(void) { } -#endif - #endif |