diff options
Diffstat (limited to 'arch/mips/kernel/i8259.c')
| -rw-r--r-- | arch/mips/kernel/i8259.c | 42 |
1 files changed, 23 insertions, 19 deletions
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c index b6c30800c66..47101357710 100644 --- a/arch/mips/kernel/i8259.c +++ b/arch/mips/kernel/i8259.c @@ -30,8 +30,10 @@ static int i8259A_auto_eoi = -1; DEFINE_SPINLOCK(i8259A_lock); -/* some platforms call this... */ -void mask_and_ack_8259A(unsigned int); +static void disable_8259A_irq(unsigned int irq); +static void enable_8259A_irq(unsigned int irq); +static void mask_and_ack_8259A(unsigned int irq); +static void init_8259A(int auto_eoi); static struct irq_chip i8259A_chip = { .name = "XT-PIC", @@ -39,6 +41,9 @@ static struct irq_chip i8259A_chip = { .disable = disable_8259A_irq, .unmask = enable_8259A_irq, .mask_ack = mask_and_ack_8259A, +#ifdef CONFIG_MIPS_MT_SMTC_IRQAFF + .set_affinity = plat_set_irq_affinity, +#endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */ }; /* @@ -53,7 +58,7 @@ static unsigned int cached_irq_mask = 0xffff; #define cached_master_mask (cached_irq_mask) #define cached_slave_mask (cached_irq_mask >> 8) -void disable_8259A_irq(unsigned int irq) +static void disable_8259A_irq(unsigned int irq) { unsigned int mask; unsigned long flags; @@ -69,7 +74,7 @@ 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; unsigned long flags; @@ -122,14 +127,14 @@ static inline int i8259A_irq_real(unsigned int irq) int irqmask = 1 << irq; if (irq < 8) { - outb(0x0B,PIC_MASTER_CMD); /* ISR register */ + outb(0x0B, PIC_MASTER_CMD); /* ISR register */ value = inb(PIC_MASTER_CMD) & irqmask; - outb(0x0A,PIC_MASTER_CMD); /* back to the IRR register */ + outb(0x0A, PIC_MASTER_CMD); /* back to the IRR register */ return value; } - outb(0x0B,PIC_SLAVE_CMD); /* ISR register */ + outb(0x0B, PIC_SLAVE_CMD); /* ISR register */ value = inb(PIC_SLAVE_CMD) & (irqmask >> 8); - outb(0x0A,PIC_SLAVE_CMD); /* back to the IRR register */ + outb(0x0A, PIC_SLAVE_CMD); /* back to the IRR register */ return value; } @@ -139,7 +144,7 @@ static inline int i8259A_irq_real(unsigned int irq) * first, _then_ send the EOI, and the order of EOI * to the two 8259s is important! */ -void mask_and_ack_8259A(unsigned int irq) +static void mask_and_ack_8259A(unsigned int irq) { unsigned int irqmask; unsigned long flags; @@ -170,17 +175,14 @@ handle_real_irq: if (irq & 8) { inb(PIC_SLAVE_IMR); /* DUMMY - (do we need this?) */ outb(cached_slave_mask, PIC_SLAVE_IMR); - outb(0x60+(irq&7),PIC_SLAVE_CMD);/* 'Specific EOI' to slave */ - outb(0x60+PIC_CASCADE_IR,PIC_MASTER_CMD); /* 'Specific EOI' to master-IRQ2 */ + outb(0x60+(irq&7), PIC_SLAVE_CMD);/* 'Specific EOI' to slave */ + outb(0x60+PIC_CASCADE_IR, PIC_MASTER_CMD); /* 'Specific EOI' to master-IRQ2 */ } else { inb(PIC_MASTER_IMR); /* DUMMY - (do we need this?) */ outb(cached_master_mask, PIC_MASTER_IMR); - outb(0x60+irq,PIC_MASTER_CMD); /* 'Specific EOI to master */ + outb(0x60+irq, PIC_MASTER_CMD); /* 'Specific EOI to master */ } -#ifdef CONFIG_MIPS_MT_SMTC - if (irq_hwmask[irq] & ST0_IM) - set_c0_status(irq_hwmask[irq] & ST0_IM); -#endif /* CONFIG_MIPS_MT_SMTC */ + smtc_im_ack_irq(irq); spin_unlock_irqrestore(&i8259A_lock, flags); return; @@ -256,7 +258,7 @@ static int __init i8259A_init_sysfs(void) device_initcall(i8259A_init_sysfs); -void init_8259A(int auto_eoi) +static void init_8259A(int auto_eoi) { unsigned long flags; @@ -303,7 +305,9 @@ void init_8259A(int auto_eoi) * IRQ2 is cascade interrupt to second interrupt controller */ static struct irqaction irq2 = { - no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL + .handler = no_action, + .mask = CPU_MASK_NONE, + .name = "cascade", }; static struct resource pic1_io_resource = { @@ -325,7 +329,7 @@ static struct resource pic2_io_resource = { * driver compatibility reasons interrupts 0 - 15 to be the i8259 * interrupts even if the hardware uses a different interrupt numbering. */ -void __init init_i8259_irqs (void) +void __init init_i8259_irqs(void) { int i; |