Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=11ca25aa312d912c192ccfd5781669d794126118
Commit: 11ca25aa312d912c192ccfd5781669d794126118
Parent: 229f773ef4ee852ad7bfbe8e1238a2c35b2baa6f
Author: Ralf Baechle <[EMAIL PROTECTED]>
AuthorDate: Sun Oct 28 23:02:46 2007 +0000
Committer: Ralf Baechle <[EMAIL PROTECTED]>
CommitDate: Mon Oct 29 19:35:35 2007 +0000
[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 <[EMAIL PROTECTED]>
---
arch/mips/sibyte/bcm1480/irq.c | 24 ------------------------
arch/mips/sibyte/bcm1480/time.c | 3 ---
arch/mips/sibyte/sb1250/irq.c | 24 ------------------------
arch/mips/sibyte/sb1250/time.c | 3 ---
4 files changed, 0 insertions(+), 54 deletions(-)
diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c
index 10299ba..61790c4 100644
--- a/arch/mips/sibyte/bcm1480/irq.c
+++ b/arch/mips/sibyte/bcm1480/irq.c
@@ -280,27 +280,6 @@ static struct irqaction bcm1480_dummy_action = {
.dev_id = 0
};
-int bcm1480_steal_irq(int irq)
-{
- struct irq_desc *desc = irq_desc + irq;
- unsigned long flags;
- int retval = 0;
-
- if (irq >= BCM1480_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 = &bcm1480_dummy_action;
- desc->depth = 0;
- }
- spin_unlock_irqrestore(&desc->lock, flags);
- return 0;
-}
-
/*
* init_IRQ is called early in the boot sequence from init/main.c. It
* is responsible for setting up the interrupt mapper and installing the
@@ -386,8 +365,6 @@ void __init arch_init_irq(void)
__raw_writeq(tmp, IOADDR(A_BCM1480_IMR_REGISTER(cpu,
R_BCM1480_IMR_INTERRUPT_MASK_L)));
}
- bcm1480_steal_irq(K_BCM1480_INT_MBOX_0_0);
-
/*
* Note that the timer interrupts are also mapped, but this is
* done in bcm1480_time_init(). Also, the profiling driver
@@ -411,7 +388,6 @@ void __init arch_init_irq(void)
/* QQQ FIXME */
__raw_writeq(M_DUART_IMR_BRK, IO_SPACE_BASE +
A_DUART_IMRREG(kgdb_port));
- bcm1480_steal_irq(kgdb_irq);
__raw_writeq(IMR_IP6_VAL,
IO_SPACE_BASE + A_BCM1480_IMR_REGISTER(0,
R_BCM1480_IMR_INTERRUPT_MAP_BASE_H) +
(kgdb_irq<<3));
diff --git a/arch/mips/sibyte/bcm1480/time.c b/arch/mips/sibyte/bcm1480/time.c
index 610f025..699b5d2 100644
--- a/arch/mips/sibyte/bcm1480/time.c
+++ b/arch/mips/sibyte/bcm1480/time.c
@@ -37,8 +37,6 @@
#define IMR_IP3_VAL K_BCM1480_INT_MAP_I1
#define IMR_IP4_VAL K_BCM1480_INT_MAP_I2
-extern int bcm1480_steal_irq(int irq);
-
/*
* The general purpose timer ticks at 1MHz independent if
* the rest of the system
@@ -142,7 +140,6 @@ void __cpuinit sb1480_clockevent_init(void)
R_BCM1480_IMR_INTERRUPT_MAP_BASE_H) + (irq << 3)));
bcm1480_unmask_irq(cpu, irq);
- bcm1480_steal_irq(irq);
action->handler = sibyte_counter_handler;
action->flags = IRQF_DISABLED | IRQF_PERCPU;
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c
index 53780a1..52d18fc 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 a41e908..f7f455a 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;
-
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