Commit 7f88d2c0 authored by Thomas Bogendoerfer's avatar Thomas Bogendoerfer Committed by Geert Uytterhoeven
Browse files

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: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
parent f50bf88d

arch/m68k/sun3/sun3ints.c

+4 −25
Original line number Diff line number Diff line
@@ -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");

CRA Git | Maintained and supported by SUSTech CRA and CCSE