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m68k/sun3: Get interrupts working again 

SUN3 Intregister is not for enabling individual interrupts, but to enable
special interrupts. So using it for interrupt enable/disable was wrong.
The clock interrupt needs some special treatment to keep ticking.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Thomas Bogendoerfer 2012-11-11 13:28:33 +01:00 committed by Geert Uytterhoeven
parent f50bf88df3
commit 7f88d2c0ad
1 changed files with 4 additions and 25 deletions
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29
arch/m68k/sun3/sun3ints.c
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@ -66,6 +66,8 @@ static irqreturn_t sun3_int5(int irq, void *dev_id)
#ifdef CONFIG_SUN3
intersil_clear();
#endif
sun3_disable_irq(5);
sun3_enable_irq(5);
#ifdef CONFIG_SUN3
intersil_clear();
#endif
@ -79,41 +81,18 @@ static irqreturn_t sun3_int5(int irq, void *dev_id)
static irqreturn_t sun3_vec255(int irq, void *dev_id)
{
// intersil_clear();
return IRQ_HANDLED;
}
static void sun3_irq_enable(struct irq_data *data)
{
sun3_enable_irq(data->irq);
};
static void sun3_irq_disable(struct irq_data *data)
{
sun3_disable_irq(data->irq);
};
static struct irq_chip sun3_irq_chip = {
.name = "sun3",
.irq_startup = m68k_irq_startup,
.irq_shutdown = m68k_irq_shutdown,
.irq_enable = sun3_irq_enable,
.irq_disable = sun3_irq_disable,
.irq_mask = sun3_irq_disable,
.irq_unmask = sun3_irq_enable,
};
void __init sun3_init_IRQ(void)
{
*sun3_intreg = 1;
m68k_setup_irq_controller(&sun3_irq_chip, handle_level_irq, IRQ_AUTO_1,
7);
m68k_setup_user_interrupt(VEC_USER, 128);
if (request_irq(IRQ_AUTO_5, sun3_int5, 0, "int5", NULL))
if (request_irq(IRQ_AUTO_5, sun3_int5, 0, "clock", NULL))
pr_err("Couldn't register %s interrupt\n", "int5");
if (request_irq(IRQ_AUTO_7, sun3_int7, 0, "int7", NULL))
if (request_irq(IRQ_AUTO_7, sun3_int7, 0, "nmi", NULL))
pr_err("Couldn't register %s interrupt\n", "int7");
if (request_irq(IRQ_USER+127, sun3_vec255, 0, "vec255", NULL))
pr_err("Couldn't register %s interrupt\n", "vec255");