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sh: Convert SystemH board support from hw_interrupt_type to irq_chip

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... as part of the hw_interrupt_type to irq_chip crusade.

Signed-off-by: Matt Fleming <mjf@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Matt Fleming 2008-12-14 12:02:25 +00:00 committed by Paul Mundt
parent be729fd890
commit bd0a22d21f
1 changed files with 6 additions and 31 deletions
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37
arch/sh/boards/mach-systemh/irq.c
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@ -12,8 +12,8 @@
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <asm/io.h>
#include <mach/systemh7751.h>
#include <asm/smc37c93x.h>
@ -24,35 +24,17 @@ static unsigned long *systemh_irq_mask_register = (unsigned long *)0xB3F10004;
static unsigned long *systemh_irq_request_register = (unsigned long *)0xB3F10000;
/* forward declaration */
static unsigned int startup_systemh_irq(unsigned int irq);
static void shutdown_systemh_irq(unsigned int irq);
static void enable_systemh_irq(unsigned int irq);
static void disable_systemh_irq(unsigned int irq);
static void mask_and_ack_systemh(unsigned int);
static void end_systemh_irq(unsigned int irq);
/* hw_interrupt_type */
static struct hw_interrupt_type systemh_irq_type = {
.typename = " SystemH Register",
.startup = startup_systemh_irq,
.shutdown = shutdown_systemh_irq,
.enable = enable_systemh_irq,
.disable = disable_systemh_irq,
static struct irq_chip systemh_irq_type = {
.name = " SystemH Register",
.unmask = enable_systemh_irq,
.mask = disable_systemh_irq,
.ack = mask_and_ack_systemh,
.end = end_systemh_irq
};
static unsigned int startup_systemh_irq(unsigned int irq)
{
enable_systemh_irq(irq);
return 0; /* never anything pending */
}
static void shutdown_systemh_irq(unsigned int irq)
{
disable_systemh_irq(irq);
}
static void disable_systemh_irq(unsigned int irq)
{
if (systemh_irq_mask_register) {
@ -86,16 +68,9 @@ static void mask_and_ack_systemh(unsigned int irq)
disable_systemh_irq(irq);
}
static void end_systemh_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
enable_systemh_irq(irq);
}
void make_systemh_irq(unsigned int irq)
{
disable_irq_nosync(irq);
irq_desc[irq].chip = &systemh_irq_type;
set_irq_chip_and_handler(irq, &systemh_irq_type, handle_level_irq);
disable_systemh_irq(irq);
}