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Commit dda75359 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven
Browse files

m68k/sun3: Convert Sun3/3x to genirq 



Replace the custom irq handler that masks the irq and calls do_IRQ(), and
the unmasking in the individual handlers, by handle_level_irq().

Signed-off-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Cc: Sam Creasey <sammy@sammy.net>
parent 40455132

arch/m68k/Kconfig

+0 −2
Original line number Original line Diff line number Diff line
@@ -87,9 +87,7 @@ config MMU_SUN3 
config USE_GENERIC_HARDIRQS

config USE_GENERIC_HARDIRQS

	bool "Use genirq"

	bool "Use genirq"

	depends on MMU

	depends on MMU

	depends on !SUN3X

	depends on !Q40

	depends on !Q40

	depends on !SUN3

	select HAVE_GENERIC_HARDIRQS

	select HAVE_GENERIC_HARDIRQS

	select GENERIC_IRQ_SHOW

	select GENERIC_IRQ_SHOW

arch/m68k/sun3/sun3ints.c

+14 −2
Original line number Original line Diff line number Diff line
@@ -53,7 +53,9 @@ static irqreturn_t sun3_int7(int irq, void *dev_id) 
{

{

	unsigned int cnt;

	unsigned int cnt;





#ifndef CONFIG_GENERIC_HARDIRQS

	*sun3_intreg |=  (1 << irq);

	*sun3_intreg |=  (1 << irq);

#endif

	cnt = kstat_irqs_cpu(irq, 0);

	cnt = kstat_irqs_cpu(irq, 0);

	if (!(cnt % 2000))

	if (!(cnt % 2000))

		sun3_leds(led_pattern[cnt % 16000 / 2000]);

		sun3_leds(led_pattern[cnt % 16000 / 2000]);
@@ -67,7 +69,9 @@ static irqreturn_t sun3_int5(int irq, void *dev_id) 
#ifdef CONFIG_SUN3

#ifdef CONFIG_SUN3

	intersil_clear();

	intersil_clear();

#endif

#endif

#ifndef CONFIG_GENERIC_HARDIRQS

        *sun3_intreg |=  (1 << irq);

        *sun3_intreg |=  (1 << irq);

#endif

#ifdef CONFIG_SUN3

#ifdef CONFIG_SUN3

	intersil_clear();

	intersil_clear();

#endif

#endif
@@ -85,12 +89,14 @@ static irqreturn_t sun3_vec255(int irq, void *dev_id) 
	return IRQ_HANDLED;

	return IRQ_HANDLED;

}

}





#ifndef CONFIG_GENERIC_HARDIRQS

static void sun3_inthandle(unsigned int irq, struct pt_regs *fp)

static void sun3_inthandle(unsigned int irq, struct pt_regs *fp)

{

{

        *sun3_intreg &= ~(1 << irq);

        *sun3_intreg &= ~(1 << irq);





	do_IRQ(irq, fp);

	do_IRQ(irq, fp);

}

}

#endif





static void sun3_irq_enable(struct irq_data *data)

static void sun3_irq_enable(struct irq_data *data)

{

{
@@ -108,15 +114,21 @@ static struct irq_chip sun3_irq_chip = { 
	.irq_shutdown	= m68k_irq_shutdown,

	.irq_shutdown	= m68k_irq_shutdown,

	.irq_enable	= sun3_irq_enable,

	.irq_enable	= sun3_irq_enable,

	.irq_disable	= sun3_irq_disable,

	.irq_disable	= sun3_irq_disable,

#ifdef CONFIG_GENERIC_HARDIRQS

	.irq_mask	= sun3_irq_disable,

	.irq_unmask	= sun3_irq_enable,

#endif

};

};





void __init sun3_init_IRQ(void)

void __init sun3_init_IRQ(void)

{

{

	*sun3_intreg = 1;

	*sun3_intreg = 1;





#ifndef CONFIG_GENERIC_HARDIRQS

	m68k_setup_auto_interrupt(sun3_inthandle);

	m68k_setup_auto_interrupt(sun3_inthandle);

	m68k_setup_irq_controller(&sun3_irq_chip, handle_simple_irq,

#endif

				  IRQ_AUTO_1, 7);

	m68k_setup_irq_controller(&sun3_irq_chip, handle_level_irq, IRQ_AUTO_1,

				  7);

	m68k_setup_user_interrupt(VEC_USER, 128, NULL);

	m68k_setup_user_interrupt(VEC_USER, 128, NULL);





	if (request_irq(IRQ_AUTO_5, sun3_int5, 0, "int5", NULL))

	if (request_irq(IRQ_AUTO_5, sun3_int5, 0, "int5", NULL))