X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fjmr3927%2Frbhma3100%2Firq.c;h=b9799b86fc79a9b319852948c43663c4b167d8ac;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=4ab85b5b2b4d2e1e9f3318e59d1d05b96afeecbd;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/arch/mips/jmr3927/rbhma3100/irq.c b/arch/mips/jmr3927/rbhma3100/irq.c index 4ab85b5b2..b9799b86f 100644 --- a/arch/mips/jmr3927/rbhma3100/irq.c +++ b/arch/mips/jmr3927/rbhma3100/irq.c @@ -45,8 +45,8 @@ #include #include #include +#include -#include #include #include #include @@ -89,38 +89,10 @@ static unsigned char irc_level[TX3927_NUM_IR] = { 6, 6, 6 /* TMR */ }; -static inline void mask_irq(unsigned int irq_nr) -{ - struct tb_irq_space* sp; - for (sp = tb_irq_spaces; sp; sp = sp->next) { - if (sp->start_irqno <= irq_nr && - irq_nr < sp->start_irqno + sp->nr_irqs) { - if (sp->mask_func) - sp->mask_func(irq_nr - sp->start_irqno, - sp->space_id); - break; - } - } -} - -static inline void unmask_irq(unsigned int irq_nr) -{ - struct tb_irq_space* sp; - for (sp = tb_irq_spaces; sp; sp = sp->next) { - if (sp->start_irqno <= irq_nr && - irq_nr < sp->start_irqno + sp->nr_irqs) { - if (sp->unmask_func) - sp->unmask_func(irq_nr - sp->start_irqno, - sp->space_id); - break; - } - } -} - static void jmr3927_irq_disable(unsigned int irq_nr); static void jmr3927_irq_enable(unsigned int irq_nr); -static spinlock_t jmr3927_irq_lock = SPIN_LOCK_UNLOCKED; +static DEFINE_SPINLOCK(jmr3927_irq_lock); static unsigned int jmr3927_irq_startup(unsigned int irq) { @@ -133,9 +105,8 @@ static unsigned int jmr3927_irq_startup(unsigned int irq) static void jmr3927_irq_ack(unsigned int irq) { - if (irq == JMR3927_IRQ_IRC_TMR0) { + if (irq == JMR3927_IRQ_IRC_TMR0) jmr3927_tmrptr->tisr = 0; /* ack interrupt */ - } jmr3927_irq_disable(irq); } @@ -147,19 +118,37 @@ static void jmr3927_irq_end(unsigned int irq) static void jmr3927_irq_disable(unsigned int irq_nr) { + struct tb_irq_space* sp; unsigned long flags; spinlock_irqsave(&jmr3927_irq_lock, flags); - mask_irq(irq_nr); + for (sp = tb_irq_spaces; sp; sp = sp->next) { + if (sp->start_irqno <= irq_nr && + irq_nr < sp->start_irqno + sp->nr_irqs) { + if (sp->mask_func) + sp->mask_func(irq_nr - sp->start_irqno, + sp->space_id); + break; + } + } spinlock_irqrestore(&jmr3927_irq_lock, flags); } static void jmr3927_irq_enable(unsigned int irq_nr) { + struct tb_irq_space* sp; unsigned long flags; spinlock_irqsave(&jmr3927_irq_lock, flags); - unmask_irq(irq_nr); + for (sp = tb_irq_spaces; sp; sp = sp->next) { + if (sp->start_irqno <= irq_nr && + irq_nr < sp->start_irqno + sp->nr_irqs) { + if (sp->unmask_func) + sp->unmask_func(irq_nr - sp->start_irqno, + sp->space_id); + break; + } + } spinlock_irqrestore(&jmr3927_irq_lock, flags); } @@ -343,7 +332,8 @@ static struct irqaction pcierr_action = { int jmr3927_ether1_irq = 0; void jmr3927_irq_init(u32 irq_base); -void jmr3927_irq_setup(void) + +void __init arch_init_irq(void) { /* look for io board's presence */ int have_isac = jmr3927_have_isac(); @@ -421,24 +411,6 @@ void jmr3927_irq_setup(void) set_c0_status(ST0_IM); /* IE bit is still 0. */ } -void (*irq_setup)(void); - -void __init init_IRQ(void) -{ - -#ifdef CONFIG_KGDB - extern void breakpoint(void); - extern void set_debug_traps(void); - - puts("Wait for gdb client connection ...\n"); - set_debug_traps(); - breakpoint(); -#endif - - /* invoke board-specific irq setup */ - irq_setup(); -} - static hw_irq_controller jmr3927_irq_controller = { "jmr3927_irq", jmr3927_irq_startup, @@ -453,7 +425,6 @@ void jmr3927_irq_init(u32 irq_base) { u32 i; - init_generic_irq(); for (i= irq_base; i< irq_base + JMR3927_NR_IRQ_IRC + JMR3927_NR_IRQ_IOC; i++) { irq_desc[i].status = IRQ_DISABLED; irq_desc[i].action = NULL;