From 7f88d2c0ad7995ab862ee6da5c77c37cf447b1b3 Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Sun, 11 Nov 2012 13:28:33 +0100 Subject: 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 Signed-off-by: Geert Uytterhoeven --- arch/m68k/sun3/sun3ints.c | 29 ++++------------------------- 1 file changed, 4 insertions(+), 25 deletions(-) (limited to 'arch/m68k/sun3') diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c index 78b60f53e90a..6bbca30c9188 100644 --- a/arch/m68k/sun3/sun3ints.c +++ b/arch/m68k/sun3/sun3ints.c @@ -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"); -- cgit v1.2.3