diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2007-10-28 23:02:46 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-10-29 19:35:35 +0000 |
| commit | 11ca25aa312d912c192ccfd5781669d794126118 (patch) | |
| tree | 256dc4788bb96e4e557894fdff1673484076a1de /arch/mips/sibyte/sb1250 | |
| parent | 229f773ef4ee852ad7bfbe8e1238a2c35b2baa6f (diff) | |
[MIPS] Sibyte: Delete {sb1250,bcm1480}_steal_irq().
They break the timer interrupt initialization and only seem to be a kludge
for initialization happening in the wrong order. Further testing done by
Thiemo confirms the suspicion that the other invocations also seem to have
useless.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/sibyte/sb1250')
| -rw-r--r-- | arch/mips/sibyte/sb1250/irq.c | 24 | ||||
| -rw-r--r-- | arch/mips/sibyte/sb1250/time.c | 3 |
2 files changed, 0 insertions, 27 deletions
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c index 53780a179d1d..52d18fc91f32 100644 --- a/arch/mips/sibyte/sb1250/irq.c +++ b/arch/mips/sibyte/sb1250/irq.c @@ -250,27 +250,6 @@ static struct irqaction sb1250_dummy_action = { .dev_id = 0 }; -int sb1250_steal_irq(int irq) -{ - struct irq_desc *desc = irq_desc + irq; - unsigned long flags; - int retval = 0; - - if (irq >= SB1250_NR_IRQS) - return -EINVAL; - - spin_lock_irqsave(&desc->lock, flags); - /* Don't allow sharing at all for these */ - if (desc->action != NULL) - retval = -EBUSY; - else { - desc->action = &sb1250_dummy_action; - desc->depth = 0; - } - spin_unlock_irqrestore(&desc->lock, flags); - return 0; -} - /* * arch_init_irq is called early in the boot sequence from init/main.c via * init_IRQ. It is responsible for setting up the interrupt mapper and @@ -342,8 +321,6 @@ void __init arch_init_irq(void) __raw_writeq(tmp, IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MASK))); __raw_writeq(tmp, IOADDR(A_IMR_REGISTER(1, R_IMR_INTERRUPT_MASK))); - sb1250_steal_irq(K_INT_MBOX_0); - /* * Note that the timer interrupts are also mapped, but this is * done in sb1250_time_init(). Also, the profiling driver @@ -367,7 +344,6 @@ void __init arch_init_irq(void) __raw_writeq(M_DUART_IMR_BRK, IOADDR(A_DUART_IMRREG(kgdb_port))); - sb1250_steal_irq(kgdb_irq); __raw_writeq(IMR_IP6_VAL, IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) + diff --git a/arch/mips/sibyte/sb1250/time.c b/arch/mips/sibyte/sb1250/time.c index a41e908bc218..f7f455a58874 100644 --- a/arch/mips/sibyte/sb1250/time.c +++ b/arch/mips/sibyte/sb1250/time.c @@ -50,8 +50,6 @@ #define SB1250_HPT_VALUE M_SCD_TIMER_CNT /* max value */ -extern int sb1250_steal_irq(int irq); - /* * The general purpose timer ticks at 1 Mhz independent if * the rest of the system @@ -159,7 +157,6 @@ void __cpuinit sb1250_clockevent_init(void) cd->cpumask = cpumask_of_cpu(0); sb1250_unmask_irq(cpu, irq); - sb1250_steal_irq(irq); action->handler = sibyte_counter_handler; action->flags = IRQF_DISABLED | IRQF_PERCPU; |