diff options
| author | Jacob Pan <jacob.jun.pan@intel.com> | 2009-11-09 20:27:04 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-20 01:25:17 +0100 |
| commit | b81bb373a7e832a43921356aa1291044d7f52fb1 (patch) | |
| tree | 8008f5c30cae5bf5d8480b590cee63db01034333 /arch/x86/kernel/i8259.c | |
| parent | x86, pic: Introduce legacy_pic abstraction (diff) | |
| download | linux-b81bb373a7e832a43921356aa1291044d7f52fb1.tar.xz linux-b81bb373a7e832a43921356aa1291044d7f52fb1.zip | |
x86, pic: Make use of legacy_pic abstraction
This patch replaces legacy PIC-related global variable and functions
with the new legacy_pic abstraction.
Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com>
LKML-Reference: <43F901BD926A4E43B106BF17856F07559FB80D04@orsmsx508.amr.corp.intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel/i8259.c')
| -rw-r--r-- | arch/x86/kernel/i8259.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c index b80987ca33ea..1c790e75f7a0 100644 --- a/arch/x86/kernel/i8259.c +++ b/arch/x86/kernel/i8259.c @@ -34,6 +34,12 @@ static int i8259A_auto_eoi; DEFINE_SPINLOCK(i8259A_lock); static void mask_and_ack_8259A(unsigned int); +static void mask_8259A(void); +static void unmask_8259A(void); +static void disable_8259A_irq(unsigned int irq); +static void enable_8259A_irq(unsigned int irq); +static void init_8259A(int auto_eoi); +static int i8259A_irq_pending(unsigned int irq); struct irq_chip i8259A_chip = { .name = "XT-PIC", @@ -63,7 +69,7 @@ unsigned int cached_irq_mask = 0xffff; */ unsigned long io_apic_irqs; -void disable_8259A_irq(unsigned int irq) +static void disable_8259A_irq(unsigned int irq) { unsigned int mask = 1 << irq; unsigned long flags; @@ -77,7 +83,7 @@ void disable_8259A_irq(unsigned int irq) spin_unlock_irqrestore(&i8259A_lock, flags); } -void enable_8259A_irq(unsigned int irq) +static void enable_8259A_irq(unsigned int irq) { unsigned int mask = ~(1 << irq); unsigned long flags; @@ -91,7 +97,7 @@ void enable_8259A_irq(unsigned int irq) spin_unlock_irqrestore(&i8259A_lock, flags); } -int i8259A_irq_pending(unsigned int irq) +static int i8259A_irq_pending(unsigned int irq) { unsigned int mask = 1<<irq; unsigned long flags; @@ -107,7 +113,7 @@ int i8259A_irq_pending(unsigned int irq) return ret; } -void make_8259A_irq(unsigned int irq) +static void make_8259A_irq(unsigned int irq) { disable_irq_nosync(irq); io_apic_irqs &= ~(1<<irq); @@ -281,7 +287,7 @@ static int __init i8259A_init_sysfs(void) device_initcall(i8259A_init_sysfs); -void mask_8259A(void) +static void mask_8259A(void) { unsigned long flags; @@ -293,7 +299,7 @@ void mask_8259A(void) spin_unlock_irqrestore(&i8259A_lock, flags); } -void unmask_8259A(void) +static void unmask_8259A(void) { unsigned long flags; @@ -305,7 +311,7 @@ void unmask_8259A(void) spin_unlock_irqrestore(&i8259A_lock, flags); } -void init_8259A(int auto_eoi) +static void init_8259A(int auto_eoi) { unsigned long flags; @@ -358,6 +364,7 @@ void init_8259A(int auto_eoi) spin_unlock_irqrestore(&i8259A_lock, flags); } + /* * make i8259 a driver so that we can select pic functions at run time. the goal * is to make x86 binary compatible among pc compatible and non-pc compatible |