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sh: Disable IRQ balancing for timer and IPI IRQs. 

Make sure that the timer IRQs and IPIs aren't enabled for IRQ balancing.
IPIs are disabled as a result of being percpu while the timers simply
disable balancing outright.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2010-04-15 11:59:28 +09:00
parent 43b8774dc4
commit fecf066c2d
4 changed files with 8 additions and 5 deletions
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4
arch/sh/kernel/cpu/sh4a/smp-shx3.c
View File

@ -72,8 +72,8 @@ void __init plat_prepare_cpus(unsigned int max_cpus)
BUILD_BUG_ON(SMP_MSG_NR >= 8);
for (i = 0; i < SMP_MSG_NR; i++)
request_irq(104 + i, ipi_interrupt_handler, IRQF_DISABLED,
"IPI", (void *)(long)i);
request_irq(104 + i, ipi_interrupt_handler,
IRQF_DISABLED | IRQF_PERCPU, "IPI", (void *)(long)i);
}
void plat_start_cpu(unsigned int cpu, unsigned long entry_point)

3
drivers/clocksource/sh_cmt.c
View File

@ -605,7 +605,8 @@ static int sh_cmt_setup(struct sh_cmt_priv *p, struct platform_device *pdev)
p->irqaction.name = dev_name(&p->pdev->dev);
p->irqaction.handler = sh_cmt_interrupt;
p->irqaction.dev_id = p;
p->irqaction.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL;
p->irqaction.flags = IRQF_DISABLED | IRQF_TIMER | \
IRQF_IRQPOLL | IRQF_NOBALANCING;
/* get hold of clock */
p->clk = clk_get(&p->pdev->dev, "cmt_fck");

3
drivers/clocksource/sh_mtu2.c
View File

@ -280,7 +280,8 @@ static int sh_mtu2_setup(struct sh_mtu2_priv *p, struct platform_device *pdev)
p->irqaction.handler = sh_mtu2_interrupt;
p->irqaction.dev_id = p;
p->irqaction.irq = irq;
p->irqaction.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL;
p->irqaction.flags = IRQF_DISABLED | IRQF_TIMER | \
IRQF_IRQPOLL | IRQF_NOBALANCING;
/* get hold of clock */
p->clk = clk_get(&p->pdev->dev, "mtu2_fck");

3
drivers/clocksource/sh_tmu.c
View File

@ -384,7 +384,8 @@ static int sh_tmu_setup(struct sh_tmu_priv *p, struct platform_device *pdev)
p->irqaction.handler = sh_tmu_interrupt;
p->irqaction.dev_id = p;
p->irqaction.irq = irq;
p->irqaction.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL;
p->irqaction.flags = IRQF_DISABLED | IRQF_TIMER | \
IRQF_IRQPOLL | IRQF_NOBALANCING;
/* get hold of clock */
p->clk = clk_get(&p->pdev->dev, "tmu_fck");