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h8300: Convert interrupt handling to flow handler 

__do_IRQ is deprecated so h8300 needs to be converted to proper flow
handling. The irq chip is simple and does not required any
mask/ack/eoi functions, so we can use handle_simple_irq.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Thomas Gleixner 2011-01-19 12:18:57 +01:00
parent 12174aac37
commit f9f91ef5e3
1 changed files with 3 additions and 12 deletions
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15
arch/h8300/kernel/irq.c
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@ -50,10 +50,6 @@ static void h8300_disable_irq(struct irq_data *data)
IER_REGS &= ~(1 << (data->irq - EXT_IRQ0));
}
static void h8300_end_irq(unsigned int irq)
{
}
static unsigned int h8300_startup_irq(struct irq_data *data)
{
if (is_ext_irq(data->irq))
@ -77,7 +73,6 @@ struct irq_chip h8300irq_chip = {
.irq_shutdown = h8300_shutdown_irq,
.irq_enable = h8300_enable_irq,
.irq_disable = h8300_disable_irq,
.end = h8300_end_irq,
};
#if defined(CONFIG_RAMKERNEL)
@ -159,18 +154,14 @@ void __init init_IRQ(void)
setup_vector();
for (c = 0; c < NR_IRQS; c++) {
irq_desc[c].status = IRQ_DISABLED;
irq_desc[c].action = NULL;
irq_desc[c].depth = 1;
irq_desc[c].chip = &h8300irq_chip;
}
for (c = 0; c < NR_IRQS; c++)
set_irq_chip_and_handler(c, &h8300irq_chip, handle_simple_irq);
}
asmlinkage void do_IRQ(int irq)
{
irq_enter();
__do_IRQ(irq);
generic_handle_irq(irq);
irq_exit();
}