diff options
Diffstat (limited to 'arch/i386/mach-voyager/voyager_smp.c')
| -rw-r--r-- | arch/i386/mach-voyager/voyager_smp.c | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c index d42422fc4af..2e73f353f16 100644 --- a/arch/i386/mach-voyager/voyager_smp.c +++ b/arch/i386/mach-voyager/voyager_smp.c @@ -85,8 +85,8 @@ static int ack_QIC_CPI(__u8 cpi); static void ack_special_QIC_CPI(__u8 cpi); static void ack_VIC_CPI(__u8 cpi); static void send_CPI_allbutself(__u8 cpi); -static void enable_vic_irq(unsigned int irq); -static void disable_vic_irq(unsigned int irq); +static void mask_vic_irq(unsigned int irq); +static void unmask_vic_irq(unsigned int irq); static unsigned int startup_vic_irq(unsigned int irq); static void enable_local_vic_irq(unsigned int irq); static void disable_local_vic_irq(unsigned int irq); @@ -205,15 +205,12 @@ ack_CPI(__u8 cpi) /* The VIC IRQ descriptors -- these look almost identical to the * 8259 IRQs except that masks and things must be kept per processor */ -static struct hw_interrupt_type vic_irq_type = { - .typename = "VIC-level", - .startup = startup_vic_irq, - .shutdown = disable_vic_irq, - .enable = enable_vic_irq, - .disable = disable_vic_irq, - .ack = before_handle_vic_irq, - .end = after_handle_vic_irq, - .set_affinity = set_vic_irq_affinity, +static struct irq_chip vic_chip = { + .name = "VIC", + .startup = startup_vic_irq, + .mask = mask_vic_irq, + .unmask = unmask_vic_irq, + .set_affinity = set_vic_irq_affinity, }; /* used to count up as CPUs are brought on line (starts at 0) */ @@ -1397,6 +1394,17 @@ setup_profiling_timer(unsigned int multiplier) return 0; } +/* This is a bit of a mess, but forced on us by the genirq changes + * there's no genirq handler that really does what voyager wants + * so hack it up with the simple IRQ handler */ +static void fastcall +handle_vic_irq(unsigned int irq, struct irq_desc *desc) +{ + before_handle_vic_irq(irq); + handle_simple_irq(irq, desc); + after_handle_vic_irq(irq); +} + /* The CPIs are handled in the per cpu 8259s, so they must be * enabled to be received: FIX: enabling the CPIs in the early @@ -1433,7 +1441,7 @@ smp_intr_init(void) * This is for later: first 16 correspond to PC IRQs; next 16 * are Primary MC IRQs and final 16 are Secondary MC IRQs */ for(i = 0; i < 48; i++) - irq_desc[i].chip = &vic_irq_type; + set_irq_chip_and_handler(i, &vic_chip, handle_vic_irq); } /* send a CPI at level cpi to a set of cpus in cpuset (set 1 bit per @@ -1531,7 +1539,7 @@ ack_VIC_CPI(__u8 cpi) static unsigned int startup_vic_irq(unsigned int irq) { - enable_vic_irq(irq); + unmask_vic_irq(irq); return 0; } @@ -1558,7 +1566,7 @@ startup_vic_irq(unsigned int irq) * adjust their masks accordingly. */ static void -enable_vic_irq(unsigned int irq) +unmask_vic_irq(unsigned int irq) { /* linux doesn't to processor-irq affinity, so enable on * all CPUs we know about */ @@ -1567,7 +1575,7 @@ enable_vic_irq(unsigned int irq) __u32 processorList = 0; unsigned long flags; - VDEBUG(("VOYAGER: enable_vic_irq(%d) CPU%d affinity 0x%lx\n", + VDEBUG(("VOYAGER: unmask_vic_irq(%d) CPU%d affinity 0x%lx\n", irq, cpu, cpu_irq_affinity[cpu])); spin_lock_irqsave(&vic_irq_lock, flags); for_each_online_cpu(real_cpu) { @@ -1591,7 +1599,7 @@ enable_vic_irq(unsigned int irq) } static void -disable_vic_irq(unsigned int irq) +mask_vic_irq(unsigned int irq) { /* lazy disable, do nothing */ } @@ -1819,7 +1827,7 @@ set_vic_irq_affinity(unsigned int irq, cpumask_t mask) * disabled again as it comes in (voyager lazy disable). If * the affinity map is tightened to disable the interrupt on a * cpu, it will be pushed off when it comes in */ - enable_vic_irq(irq); + unmask_vic_irq(irq); } static void |