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sh: Cleanup IRQ disabling for hardirq handlers.

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The generic hardirq layer already takes care of a lot of the
appropriate locking and disabling for us, no need to duplicate
it in the handlers..

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2006-09-27 18:03:34 +09:00
parent ba463937ef
commit 8599cf0592
15 changed files with 38 additions and 156 deletions
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8
arch/sh/kernel/cpu/irq/ipr.c
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@@ -57,31 +57,27 @@ static struct hw_interrupt_type ipr_irq_type = {
static void disable_ipr_irq(unsigned int irq)
{
unsigned long val, flags;
unsigned long val;
unsigned int addr = ipr_data[irq].addr;
unsigned short mask = 0xffff ^ (0x0f << ipr_data[irq].shift);
/* Set the priority in IPR to 0 */
local_irq_save(flags);
val = ctrl_inw(addr);
val &= mask;
ctrl_outw(val, addr);
local_irq_restore(flags);
}
static void enable_ipr_irq(unsigned int irq)
{
unsigned long val, flags;
unsigned long val;
unsigned int addr = ipr_data[irq].addr;
int priority = ipr_data[irq].priority;
unsigned short value = (priority << ipr_data[irq].shift);
/* Set priority in IPR back to original value */
local_irq_save(flags);
val = ctrl_inw(addr);
val |= value;
ctrl_outw(val, addr);
local_irq_restore(flags);
}
static void mask_and_ack_ipr(unsigned int irq)