diff options
| -rw-r--r-- | arch/m68k/Kconfig | 10 | ||||
| -rw-r--r-- | arch/m68k/amiga/amiints.c | 114 | ||||
| -rw-r--r-- | arch/m68k/apollo/dn_ints.c | 22 | ||||
| -rw-r--r-- | arch/m68k/include/asm/irq.h | 63 | ||||
| -rw-r--r-- | arch/m68k/include/asm/q40ints.h | 5 | ||||
| -rw-r--r-- | arch/m68k/kernel/Makefile | 10 | ||||
| -rw-r--r-- | arch/m68k/kernel/ints.c | 297 | ||||
| -rw-r--r-- | arch/m68k/mac/baboon.c | 41 | ||||
| -rw-r--r-- | arch/m68k/mac/oss.c | 78 | ||||
| -rw-r--r-- | arch/m68k/mac/psc.c | 44 | ||||
| -rw-r--r-- | arch/m68k/mac/via.c | 104 | ||||
| -rw-r--r-- | arch/m68k/q40/q40ints.c | 16 | ||||
| -rw-r--r-- | arch/m68k/sun3/sun3ints.c | 20 |
13 files changed, 4 insertions, 820 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 06198ced2245..361d54019bb0 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -4,8 +4,8 @@ config M68K select HAVE_IDE select HAVE_AOUT if MMU select GENERIC_ATOMIC64 if MMU - select HAVE_GENERIC_HARDIRQS if !MMU - select GENERIC_IRQ_SHOW if !MMU + select HAVE_GENERIC_HARDIRQS + select GENERIC_IRQ_SHOW select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS config RWSEM_GENERIC_SPINLOCK @@ -84,12 +84,6 @@ config MMU_SUN3 bool depends on MMU && !MMU_MOTOROLA -config USE_GENERIC_HARDIRQS - bool "Use genirq" - depends on MMU - select HAVE_GENERIC_HARDIRQS - select GENERIC_IRQ_SHOW - menu "Platform setup" source arch/m68k/Kconfig.cpu diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c index a8da47126584..47b5f90002ab 100644 --- a/arch/m68k/amiga/amiints.c +++ b/arch/m68k/amiga/amiints.c @@ -9,9 +9,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/errno.h> -#ifdef CONFIG_GENERIC_HARDIRQS #include <linux/irq.h> -#endif #include <asm/irq.h> #include <asm/traps.h> @@ -48,7 +46,6 @@ static struct irq_chip amiga_irq_chip = { * The builtin Amiga hardware interrupt handlers. */ -#ifdef CONFIG_GENERIC_HARDIRQS static void ami_int1(unsigned int irq, struct irq_desc *desc) { unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar; @@ -140,103 +137,6 @@ static void ami_int5(unsigned int irq, struct irq_desc *desc) generic_handle_irq(IRQ_AMIGA_DSKSYN); } } -#else /* !CONFIG_GENERIC_HARDIRQS */ -static irqreturn_t ami_int1(int irq, void *dev_id) -{ - unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar; - - /* if serial transmit buffer empty, interrupt */ - if (ints & IF_TBE) { - amiga_custom.intreq = IF_TBE; - generic_handle_irq(IRQ_AMIGA_TBE); - } - - /* if floppy disk transfer complete, interrupt */ - if (ints & IF_DSKBLK) { - amiga_custom.intreq = IF_DSKBLK; - generic_handle_irq(IRQ_AMIGA_DSKBLK); - } - - /* if software interrupt set, interrupt */ - if (ints & IF_SOFT) { - amiga_custom.intreq = IF_SOFT; - generic_handle_irq(IRQ_AMIGA_SOFT); - } - return IRQ_HANDLED; -} - -static irqreturn_t ami_int3(int irq, void *dev_id) -{ - unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar; - - /* if a blitter interrupt */ - if (ints & IF_BLIT) { - amiga_custom.intreq = IF_BLIT; - generic_handle_irq(IRQ_AMIGA_BLIT); - } - - /* if a copper interrupt */ - if (ints & IF_COPER) { - amiga_custom.intreq = IF_COPER; - generic_handle_irq(IRQ_AMIGA_COPPER); - } - - /* if a vertical blank interrupt */ - if (ints & IF_VERTB) { - amiga_custom.intreq = IF_VERTB; - generic_handle_irq(IRQ_AMIGA_VERTB); - } - return IRQ_HANDLED; -} - -static irqreturn_t ami_int4(int irq, void *dev_id) -{ - unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar; - - /* if audio 0 interrupt */ - if (ints & IF_AUD0) { - amiga_custom.intreq = IF_AUD0; - generic_handle_irq(IRQ_AMIGA_AUD0); - } - - /* if audio 1 interrupt */ - if (ints & IF_AUD1) { - amiga_custom.intreq = IF_AUD1; - generic_handle_irq(IRQ_AMIGA_AUD1); - } - - /* if audio 2 interrupt */ - if (ints & IF_AUD2) { - amiga_custom.intreq = IF_AUD2; - generic_handle_irq(IRQ_AMIGA_AUD2); - } - - /* if audio 3 interrupt */ - if (ints & IF_AUD3) { - amiga_custom.intreq = IF_AUD3; - generic_handle_irq(IRQ_AMIGA_AUD3); - } - return IRQ_HANDLED; -} - -static irqreturn_t ami_int5(int irq, void *dev_id) -{ - unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar; - - /* if serial receive buffer full interrupt */ - if (ints & IF_RBF) { - /* acknowledge of IF_RBF must be done by the serial interrupt */ - generic_handle_irq(IRQ_AMIGA_RBF); - } - - /* if a disk sync interrupt */ - if (ints & IF_DSKSYN) { - amiga_custom.intreq = IF_DSKSYN; - generic_handle_irq(IRQ_AMIGA_DSKSYN); - } - return IRQ_HANDLED; -} -#endif /* !CONFIG_GENERIC_HARDIRQS */ /* @@ -252,7 +152,6 @@ static irqreturn_t ami_int5(int irq, void *dev_id) void __init amiga_init_IRQ(void) { -#ifdef CONFIG_GENERIC_HARDIRQS m68k_setup_irq_controller(&amiga_irq_chip, handle_simple_irq, IRQ_USER, AMI_STD_IRQS); @@ -260,19 +159,6 @@ void __init amiga_init_IRQ(void) irq_set_chained_handler(IRQ_AUTO_3, ami_int3); irq_set_chained_handler(IRQ_AUTO_4, ami_int4); irq_set_chained_handler(IRQ_AUTO_5, ami_int5); -#else /* !CONFIG_GENERIC_HARDIRQS */ - if (request_irq(IRQ_AUTO_1, ami_int1, 0, "int1", NULL)) - pr_err("Couldn't register int%d\n", 1); - if (request_irq(IRQ_AUTO_3, ami_int3, 0, "int3", NULL)) - pr_err("Couldn't register int%d\n", 3); - if (request_irq(IRQ_AUTO_4, ami_int4, 0, "int4", NULL)) - pr_err("Couldn't register int%d\n", 4); - if (request_irq(IRQ_AUTO_5, ami_int5, 0, "int5", NULL)) - pr_err("Couldn't register int%d\n", 5); - - m68k_setup_irq_controller(&amiga_irq_chip, handle_simple_irq, IRQ_USER, - AMI_STD_IRQS); -#endif /* !CONFIG_GENERIC_HARDIRQS */ /* turn off PCMCIA interrupts */ if (AMIGAHW_PRESENT(PCMCIA)) diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c index fc190b34b621..b7d0aa37d199 100644 --- a/arch/m68k/apollo/dn_ints.c +++ b/arch/m68k/apollo/dn_ints.c @@ -1,23 +1,9 @@ #include <linux/interrupt.h> -#ifdef CONFIG_GENERIC_HARDIRQS #include <linux/irq.h> -#else -#include <asm/irq.h> -#endif #include <asm/traps.h> #include <asm/apollohw.h> -#ifndef CONFIG_GENERIC_HARDIRQS -void dn_process_int(unsigned int irq, struct pt_regs *fp) -{ - do_IRQ(irq, fp); - - *(volatile unsigned char *)(pica)=0x20; - *(volatile unsigned char *)(picb)=0x20; -} -#endif - unsigned int apollo_irq_startup(struct irq_data *data) { unsigned int irq = data->irq; @@ -39,31 +25,23 @@ void apollo_irq_shutdown(struct irq_data *data) *(volatile unsigned char *)(picb+1) |= (1 << (irq - 8)); } -#ifdef CONFIG_GENERIC_HARDIRQS void apollo_irq_eoi(struct irq_data *data) { *(volatile unsigned char *)(pica) = 0x20; *(volatile unsigned char *)(picb) = 0x20; } -#endif static struct irq_chip apollo_irq_chip = { .name = "apollo", .irq_startup = apollo_irq_startup, .irq_shutdown = apollo_irq_shutdown, -#ifdef CONFIG_GENERIC_HARDIRQS .irq_eoi = apollo_irq_eoi, -#endif }; void __init dn_init_IRQ(void) { -#ifdef CONFIG_GENERIC_HARDIRQS m68k_setup_user_interrupt(VEC_USER + 96, 16, NULL); -#else - m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int); -#endif m68k_setup_irq_controller(&apollo_irq_chip, handle_fasteoi_irq, IRQ_APOLLO, 16); } diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h index 518e61f2fccb..94349a525bc2 100644 --- a/arch/m68k/include/asm/irq.h +++ b/arch/m68k/include/asm/irq.h @@ -62,67 +62,6 @@ #define IRQ_FLG_STD (0x8000) /* internally used */ #endif -#ifndef CONFIG_GENERIC_HARDIRQS - -#include <linux/linkage.h> -#include <linux/hardirq.h> -#include <linux/irqreturn.h> -#include <linux/spinlock_types.h> - -struct pt_regs; - -/* - * This structure is used to chain together the ISRs for a particular - * interrupt source (if it supports chaining). - */ -struct irq_data { - unsigned int irq; - irqreturn_t (*handler)(int, void *); - void *dev_id; - struct irq_data *next; - unsigned long flags; - const char *devname; -}; - -/* - * This structure has only 4 elements for speed reasons - */ -struct irq_handler { - int (*handler)(int, void *); - unsigned long flags; - void *dev_id; - const char *devname; -}; - -struct irq_chip { - const char *name; - unsigned int (*irq_startup)(struct irq_data *data); - void (*irq_shutdown)(struct irq_data *data); - void (*irq_enable)(struct irq_data *data); - void (*irq_disable)(struct irq_data *data); -}; - -extern unsigned int m68k_irq_startup(struct irq_data *data); -extern unsigned int m68k_irq_startup_irq(unsigned int irq); -extern void m68k_irq_shutdown(struct irq_data *data); - -/* - * This function returns a new struct irq_data - */ -extern struct irq_data *new_irq_node(void); - -extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_regs *)); -extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt, - void (*handler)(unsigned int, struct pt_regs *)); -extern void m68k_setup_irq_chip(struct irq_chip *, unsigned int, unsigned int); -#define m68k_setup_irq_controller(chip, dummy, irq, cnt) \ - m68k_setup_irq_chip((chip), (irq), (cnt)) - -extern void generic_handle_irq(unsigned int); -asmlinkage void do_IRQ(int irq, struct pt_regs *regs); - -#else /* CONFIG_GENERIC_HARDIRQS */ - struct irq_data; struct irq_chip; struct irq_desc; @@ -139,8 +78,6 @@ extern void m68k_setup_irq_controller(struct irq_chip *, struct irq_desc *desc), unsigned int irq, unsigned int cnt); -#endif /* CONFIG_GENERIC_HARDIRQS */ - extern unsigned int irq_canonicalize(unsigned int irq); #else diff --git a/arch/m68k/include/asm/q40ints.h b/arch/m68k/include/asm/q40ints.h index 01cdbb4da465..22f12c9eb910 100644 --- a/arch/m68k/include/asm/q40ints.h +++ b/arch/m68k/include/asm/q40ints.h @@ -24,8 +24,3 @@ #define Q40_IRQ10_MASK (1<<5) #define Q40_IRQ14_MASK (1<<6) #define Q40_IRQ15_MASK (1<<7) - -#ifndef CONFIG_GENERIC_HARDIRQS -extern unsigned long q40_probe_irq_on (void); -extern int q40_probe_irq_off (unsigned long irqs); -#endif diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile index 141425785c4e..c5696193281a 100644 --- a/arch/m68k/kernel/Makefile +++ b/arch/m68k/kernel/Makefile @@ -6,11 +6,10 @@ extra-$(CONFIG_MMU) := head.o extra-$(CONFIG_SUN3) := sun3-head.o extra-y += vmlinux.lds -obj-y := entry.o m68k_ksyms.o module.o process.o ptrace.o setup.o signal.o \ - sys_m68k.o syscalltable.o time.o traps.o +obj-y := entry.o irq.o m68k_ksyms.o module.o process.o ptrace.o setup.o \ + signal.o sys_m68k.o syscalltable.o time.o traps.o obj-$(CONFIG_MMU) += ints.o vectors.o -devres-$(CONFIG_MMU) = ../../../kernel/irq/devres.o ifndef CONFIG_MMU_SUN3 obj-y += dma.o @@ -18,9 +17,4 @@ endif ifndef CONFIG_MMU obj-y += init_task.o endif -ifdef CONFIG_GENERIC_HARDIRQS -obj-y += irq.o -else -obj-y += devres.o -endif diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c index cea439f9819b..e2b056b3a314 100644 --- a/arch/m68k/kernel/ints.c +++ b/arch/m68k/kernel/ints.c @@ -31,20 +31,6 @@ extern u32 auto_irqhandler_fixup[]; extern u32 user_irqhandler_fixup[]; extern u16 user_irqvec_fixup[]; -#ifndef CONFIG_GENERIC_HARDIRQS -/* table for system interrupt handlers */ -static struct irq_data *irq_list[NR_IRQS]; -static struct irq_chip *irq_chip[NR_IRQS]; -static int irq_depth[NR_IRQS]; - -static inline int irq_set_chip(unsigned int irq, struct irq_chip *chip) -{ - irq_chip[irq] = chip; - return 0; -} -#define irq_set_chip_and_handler(irq, chip, dummy) irq_set_chip(irq, chip) -#endif /* !CONFIG_GENERIC_HARDIRQS */ - static int m68k_first_user_vec; static struct irq_chip auto_irq_chip = { @@ -59,11 +45,6 @@ static struct irq_chip user_irq_chip = { .irq_shutdown = m68k_irq_shutdown, }; -#ifndef CONFIG_GENERIC_HARDIRQS -#define NUM_IRQ_NODES 100 -static struct irq_data nodes[NUM_IRQ_NODES]; -#endif /* !CONFIG_GENERIC_HARDIRQS */ - /* * void init_IRQ(void) * @@ -133,8 +114,6 @@ void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt, flush_icache(); } -#ifdef CONFIG_GENERIC_HARDIRQS - /** * m68k_setup_irq_controller * @chip: irq chip which controls specified irq @@ -160,198 +139,6 @@ void m68k_setup_irq_controller(struct irq_chip *chip, } } -#else /* !CONFIG_GENERIC_HARDIRQS */ - -/** - * m68k_setup_irq_chip - * @contr: irq controller which controls specified irq - * @irq: first irq to be managed by the controller - * - * Change the controller for the specified range of irq, which will be used to - * manage these irq. auto/user irq already have a default controller, which can - * be changed as well, but the controller probably should use m68k_irq_startup/ - * m68k_irq_shutdown. - */ -void m68k_setup_irq_chip(struct irq_chip *contr, unsigned int irq, - unsigned int cnt) -{ - int i; - - for (i = 0; i < cnt; i++) - irq_set_chip(irq + i, contr); -} - -struct irq_data *new_irq_node(void) -{ - struct irq_data *node; - short i; - - for (node = nodes, i = NUM_IRQ_NODES-1; i >= 0; node++, i--) { - if (!node->handler) { - memset(node, 0, sizeof(*node)); - return node; - } - } - - printk ("new_irq_node: out of nodes\n"); - return NULL; -} - -static int m68k_setup_irq(unsigned int irq, struct irq_data *node) -{ - struct irq_chip *contr; - struct irq_data **prev; - unsigned long flags; - - if (irq >= NR_IRQS || !(contr = irq_chip[irq])) { - printk("%s: Incorrect IRQ %d from %s\n", - __func__, irq, node->devname); - return -ENXIO; - } - - local_irq_save(flags); - - prev = irq_list + irq; - if (*prev) { - /* Can't share interrupts unless both agree to */ - if (!((*prev)->flags & node->flags & IRQF_SHARED)) { - local_irq_restore(flags); - return -EBUSY; - } - while (*prev) - prev = &(*prev)->next; - } - - if (!irq_list[irq]) { - if (contr->irq_startup) - contr->irq_startup(node); - else - contr->irq_enable(node); - } - node->next = NULL; - *prev = node; - - local_irq_restore(flags); - - return 0; -} - -int request_irq(unsigned int irq, - irq_handler_t handler, - unsigned long flags, const char *devname, void *dev_id) -{ - struct irq_data *node; - int res; - - node = new_irq_node(); - if (!node) - return -ENOMEM; - - node->irq = irq; - node->handler = handler; - node->flags = flags; - node->dev_id = dev_id; - node->devname = devname; - - res = m68k_setup_irq(irq, node); - if (res) - node->handler = NULL; - - return res; -} - -EXPORT_SYMBOL(request_irq); - -void free_irq(unsigned int irq, void *dev_id) -{ - struct irq_chip *contr; - struct irq_data **p, *node; - unsigned long flags; - - if (irq >= NR_IRQS || !(contr = irq_chip[irq])) { - printk("%s: Incorrect IRQ %d\n", __func__, irq); - return; - } - - local_irq_save(flags); - - p = irq_list + irq; - while ((node = *p)) { - if (node->dev_id == dev_id) - break; - p = &node->next; - } - - if (node) { - *p = node->next; - node->handler = NULL; - } else - printk("%s: Removing probably wrong IRQ %d\n", - __func__, irq); - - if (!irq_list[irq]) { - if (contr->irq_shutdown) - contr->irq_shutdown(node); - else - contr->irq_disable(node); - } - - local_irq_restore(flags); -} - -EXPORT_SYMBOL(free_irq); - -void enable_irq(unsigned int irq) -{ - struct irq_chip *contr; - unsigned long flags; - - if (irq >= NR_IRQS || !(contr = irq_chip[irq])) { - printk("%s: Incorrect IRQ %d\n", - __func__, irq); - return; - } - - local_irq_save(flags); - if (irq_depth[irq]) { - if (!--irq_depth[irq]) { - if (contr->irq_enable) - contr->irq_enable(irq_list[irq]); - } - } else - WARN_ON(1); - local_irq_restore(flags); -} - -EXPORT_SYMBOL(enable_irq); - -void disable_irq(unsigned int irq) -{ - struct irq_chip *contr; - unsigned long flags; - - if (irq >= NR_IRQS || !(contr = irq_chip[irq])) { - printk("%s: Incorrect IRQ %d\n", - __func__, irq); - return; - } - - local_irq_save(flags); - if (!irq_depth[irq]++) { - if (contr->irq_disable) - contr->irq_disable(irq_list[irq]); - } - local_irq_restore(flags); -} - -EXPORT_SYMBOL(disable_irq); - -void disable_irq_nosync(unsigned int irq) __attribute__((alias("disable_irq"))); - -EXPORT_SYMBOL(disable_irq_nosync); - -#endif /* !CONFIG_GENERIC_HARDIRQS */ - unsigned int m68k_irq_startup_irq(unsigned int irq) { if (irq <= IRQ_AUTO_7) @@ -377,36 +164,6 @@ void m68k_irq_shutdown(struct irq_data *data) } -#ifndef CONFIG_GENERIC_HARDIRQS - -/* - * Do we need these probe functions on the m68k? - * - * ... may be useful with ISA devices - */ -unsigned long probe_irq_on (void) -{ -#ifdef CONFIG_Q40 - if (MACH_IS_Q40) - return q40_probe_irq_on(); -#endif - return 0; -} - -EXPORT_SYMBOL(probe_irq_on); - -int probe_irq_off (unsigned long irqs) -{ -#ifdef CONFIG_Q40 - if (MACH_IS_Q40) - return q40_probe_irq_off(irqs); -#endif - return 0; -} - -EXPORT_SYMBOL(probe_irq_off); -#endif /* CONFIG_GENERIC_HARDIRQS */ - unsigned int irq_canonicalize(unsigned int irq) { #ifdef CONFIG_Q40 @@ -418,63 +175,9 @@ unsigned int irq_canonicalize(unsigned int irq) EXPORT_SYMBOL(irq_canonicalize); -#ifndef CONFIG_GENERIC_HARDIRQS -void generic_handle_irq(unsigned int irq) -{ - struct irq_data *node; - kstat_cpu(0).irqs[irq]++; - node = irq_list[irq]; - do { - node->handler(irq, node->dev_id); - node = node->next; - } while (node); -} - -asmlinkage void do_IRQ(int irq, struct pt_regs *regs) -{ - struct pt_regs *old_regs; - old_regs = set_irq_regs(regs); - generic_handle_irq(irq); - set_irq_regs(old_regs); -} - -asmlinkage void handle_badint(struct pt_regs *regs) -{ - kstat_cpu(0).irqs[0]++; - printk("unexpected interrupt from %u\n", regs->vector); -} - -int show_interrupts(struct seq_file *p, void *v) -{ - struct irq_chip *contr; - struct irq_data *node; - int i = *(loff_t *) v; - - /* autovector interrupts */ - if (irq_list[i]) { - contr = irq_chip[i]; - node = irq_list[i]; - seq_printf(p, "%-8s %3u: %10u %s", contr->name, i, kstat_cpu(0).irqs[i], node->devname); - while ((node = node->next)) - seq_printf(p, ", %s", node->devname); - seq_puts(p, "\n"); - } - return 0; -} - -#ifdef CONFIG_PROC_FS -void init_irq_proc(void) -{ - /* Insert /proc/irq driver here */ -} -#endif - -#else /* CONFIG_GENERIC_HARDIRQS */ asmlinkage void handle_badint(struct pt_regs *regs) { atomic_inc(&irq_err_count); pr_warn("unexpected interrupt from %u\n", regs->vector); } - -#endif /* CONFIG_GENERIC_HARDIRQS */ diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c index 425144cbfa7d..b55ead284971 100644 --- a/arch/m68k/mac/baboon.c +++ b/arch/m68k/mac/baboon.c @@ -11,9 +11,7 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/init.h> -#ifdef CONFIG_GENERIC_HARDIRQS #include <linux/irq.h> -#endif #include <asm/traps.h> #include <asm/bootinfo.h> @@ -56,7 +54,6 @@ void __init baboon_init(void) * Baboon interrupt handler. This works a lot like a VIA. */ -#ifdef CONFIG_GENERIC_HARDIRQS static void baboon_irq(unsigned int irq, struct irq_desc *desc) { int irq_bit, irq_num; @@ -88,39 +85,6 @@ static void baboon_irq(unsigned int irq, struct irq_desc *desc) baboon->mb_ifr &= ~events; #endif } -#else -static irqreturn_t baboon_irq(int irq, void *dev_id) -{ - int irq_bit, irq_num; - unsigned char events; - -#ifdef DEBUG_IRQS - printk("baboon_irq: mb_control %02X mb_ifr %02X mb_status %02X\n", - (uint) baboon->mb_control, (uint) baboon->mb_ifr, - (uint) baboon->mb_status); -#endif - - if (!(events = baboon->mb_ifr & 0x07)) - return IRQ_NONE; - - irq_num = IRQ_BABOON_0; - irq_bit = 1; - do { - if (events & irq_bit) { - baboon->mb_ifr &= ~irq_bit; - generic_handle_irq(irq_num); - } - irq_bit <<= 1; - irq_num++; - } while(events >= irq_bit); -#if 0 - if (baboon->mb_ifr & 0x02) macide_ack_intr(NULL); - /* for now we need to smash all interrupts */ - baboon->mb_ifr &= ~events; -#endif - return IRQ_HANDLED; -} -#endif /* * Register the Baboon interrupt dispatcher on nubus slot $C. @@ -129,12 +93,7 @@ static irqreturn_t baboon_irq(int irq, void *dev_id) void __init baboon_register_interrupts(void) { baboon_disabled = 0; -#ifdef CONFIG_GENERIC_HARDIRQS irq_set_chained_handler(IRQ_NUBUS_C, baboon_irq); -#else - if (request_irq(IRQ_NUBUS_C, baboon_irq, 0, "baboon", (void *)baboon)) - pr_err("Couldn't register baboon interrupt\n"); -#endif } /* diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c index cc784c2ff6e8..a4c82dab9ff1 100644 --- a/arch/m68k/mac/oss.c +++ b/arch/m68k/mac/oss.c @@ -19,9 +19,7 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/init.h> -#ifdef CONFIG_GENERIC_HARDIRQS #include <linux/irq.h> -#endif #include <asm/bootinfo.h> #include <asm/macintosh.h> @@ -32,11 +30,7 @@ int oss_present; volatile struct mac_oss *oss; -#ifdef CONFIG_GENERIC_HARDIRQS extern void via1_irq(unsigned int irq, struct irq_desc *desc); -#else -extern irqreturn_t via1_irq(int, void *); -#endif /* * Initialize the OSS @@ -76,7 +70,6 @@ void __init oss_nubus_init(void) * and SCSI; everything else is routed to its own autovector IRQ. */ -#ifdef CONFIG_GENERIC_HARDIRQS static void oss_irq(unsigned int irq, struct irq_desc *desc) { int events; @@ -103,35 +96,6 @@ static void oss_irq(unsigned int irq, struct irq_desc *desc) /* FIXME: error check here? */ } } -#else -static irqreturn_t oss_irq(int irq, void *dev_id) -{ - int events; - - events = oss->irq_pending & (OSS_IP_SOUND|OSS_IP_SCSI); - if (!events) - return IRQ_NONE; - -#ifdef DEBUG_IRQS - if ((console_loglevel == 10) && !(events & OSS_IP_SCSI)) { - printk("oss_irq: irq %d events = 0x%04X\n", irq, - (int) oss->irq_pending); - } -#endif - /* FIXME: how do you clear a pending IRQ? */ - - if (events & OSS_IP_SOUND) { - oss->irq_pending &= ~OSS_IP_SOUND; - /* FIXME: call sound handler */ - } else if (events & OSS_IP_SCSI) { - oss->irq_pending &= ~OSS_IP_SCSI; - generic_handle_irq(IRQ_MAC_SCSI); - } else { - /* FIXME: error check here? */ - } - return IRQ_HANDLED; -} -#endif /* * Nubus IRQ handler, OSS style @@ -139,7 +103,6 @@ static irqreturn_t oss_irq(int irq, void *dev_id) * Unlike the VIA/RBV this is on its own autovector interrupt level. */ -#ifdef CONFIG_GENERIC_HARDIRQS static void oss_nubus_irq(unsigned int irq, struct irq_desc *desc) { int events, irq_bit, i; @@ -166,35 +129,6 @@ static void oss_nubus_irq(unsigned int irq, struct irq_desc *desc) } } while(events & (irq_bit - 1)); } -#else -static irqreturn_t oss_nubus_irq(int irq, void *dev_id) -{ - int events, irq_bit, i; - - events = oss->irq_pending & OSS_IP_NUBUS; - if (!events) - return IRQ_NONE; - -#ifdef DEBUG_NUBUS_INT - if (console_loglevel > 7) { - printk("oss_nubus_irq: events = 0x%04X\n", events); - } -#endif - /* There are only six slots on the OSS, not seven */ - - i = 6; - irq_bit = 0x40; - do { - --i; - irq_bit >>= 1; - if (events & irq_bit) { - oss->irq_pending &= ~irq_bit; - generic_handle_irq(NUBUS_SOURCE_BASE + i); - } - } while(events & (irq_bit - 1)); - return IRQ_HANDLED; -} -#endif /* * Register the OSS and NuBus interrupt dispatchers. @@ -202,22 +136,10 @@ static irqreturn_t oss_nubus_irq(int irq, void *dev_id) void __init oss_register_interrupts(void) { -#ifdef CONFIG_GENERIC_HARDIRQS irq_set_chained_handler(OSS_IRQLEV_SCSI, oss_irq); irq_set_chained_handler(OSS_IRQLEV_NUBUS, oss_nubus_irq); irq_set_chained_handler(OSS_IRQLEV_SOUND, oss_irq); irq_set_chained_handler(OSS_IRQLEV_VIA1, via1_irq); -#else /* !CONFIG_GENERIC_HARDIRQS */ - if (request_irq(OSS_IRQLEV_SCSI, oss_irq, 0, "scsi", (void *)oss)) - pr_err("Couldn't register %s interrupt\n", "scsi"); - if (request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, 0, "nubus", - (void *)oss)) - pr_err("Couldn't register %s interrupt\n", "nubus"); - if (request_irq(OSS_IRQLEV_SOUND, oss_irq, 0, "sound", (void *)oss)) - pr_err("Couldn't register %s interrupt\n", "sound"); - if (request_irq(OSS_IRQLEV_VIA1, via1_irq, 0, "via1", (void *)via1)) - pr_err("Couldn't register %s interrupt\n", "via1"); -#endif /* !CONFIG_GENERIC_HARDIRQS */ } /* diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c index 52840b8c03b8..e6c2d20f328d 100644 --- a/arch/m68k/mac/psc.c +++ b/arch/m68k/mac/psc.c @@ -18,9 +18,7 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/init.h> -#ifdef CONFIG_GENERIC_HARDIRQS #include <linux/irq.h> -#endif #include <asm/traps.h> #include <asm/bootinfo.h> @@ -116,7 +114,6 @@ void __init psc_init(void) * PSC interrupt handler. It's a lot like the VIA interrupt handler. */ -#ifdef CONFIG_GENERIC_HARDIRQS static void psc_irq(unsigned int irq, struct irq_desc *desc) { unsigned int offset = (unsigned int)irq_desc_get_handler_data(desc); @@ -145,36 +142,6 @@ static void psc_irq(unsigned int irq, struct irq_desc *desc) irq_bit <<= 1; } while (events >= irq_bit); } -#else -static irqreturn_t psc_irq(int irq, void *dev_id) -{ - int pIFR = pIFRbase + ((int) dev_id); - int pIER = pIERbase + ((int) dev_id); - int irq_num; - unsigned char irq_bit, events; - -#ifdef DEBUG_IRQS - printk("psc_irq: irq %d pIFR = 0x%02X pIER = 0x%02X\n", - irq, (int) psc_read_byte(pIFR), (int) psc_read_byte(pIER)); -#endif - - events = psc_read_byte(pIFR) & psc_read_byte(pIER) & 0xF; - if (!events) - return IRQ_NONE; - - irq_num = irq << 3; - irq_bit = 1; - do { - if (events & irq_bit) { - psc_write_byte(pIFR, irq_bit); - generic_handle_irq(irq_num); - } - irq_num++; - irq_bit <<= 1; - } while (events >= irq_bit); - return IRQ_HANDLED; -} -#endif /* * Register the PSC interrupt dispatchers for autovector interrupts 3-6. @@ -182,7 +149,6 @@ static irqreturn_t psc_irq(int irq, void *dev_id) void __init psc_register_interrupts(void) { -#ifdef CONFIG_GENERIC_HARDIRQS irq_set_chained_handler(IRQ_AUTO_3, psc_irq); irq_set_handler_data(IRQ_AUTO_3, (void *)0x30); irq_set_chained_handler(IRQ_AUTO_4, psc_irq); @@ -191,16 +157,6 @@ void __init psc_register_interrupts(void) irq_set_handler_data(IRQ_AUTO_5, (void *)0x50); irq_set_chained_handler(IRQ_AUTO_6, psc_irq); irq_set_handler_data(IRQ_AUTO_6, (void *)0x60); -#else /* !CONFIG_GENERIC_HARDIRQS */ - if (request_irq(IRQ_AUTO_3, psc_irq, 0, "psc3", (void *) 0x30)) - pr_err("Couldn't register psc%d interrupt\n", 3); - if (request_irq(IRQ_AUTO_4, psc_irq, 0, "psc4", (void *) 0x40)) - pr_err("Couldn't register psc%d interrupt\n", 4); - if (request_irq(IRQ_AUTO_5, psc_irq, 0, "psc5", (void *) 0x50)) - pr_err("Couldn't register psc%d interrupt\n", 5); - if (request_irq(IRQ_AUTO_6, psc_irq, 0, "psc6", (void *) 0x60)) - pr_err("Couldn't register psc%d interrupt\n", 6); -#endif /* !CONFIG_GENERIC_HARDIRQS */ } void psc_irq_enable(int irq) { diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c index b8156ac496a0..f1600ad26621 100644 --- a/arch/m68k/mac/via.c +++ b/arch/m68k/mac/via.c @@ -28,9 +28,7 @@ #include <linux/delay.h> #include <linux/init.h> #include <linux/module.h> -#ifdef CONFIG_GENERIC_HARDIRQS #include <linux/irq.h> -#endif #include <asm/bootinfo.h> #include <asm/macintosh.h> @@ -417,7 +415,6 @@ void __init via_nubus_init(void) * via6522.c :-), disable/pending masks added. */ -#ifdef CONFIG_GENERIC_HARDIRQS void via1_irq(unsigned int irq, struct irq_desc *desc) { int irq_num; @@ -459,58 +456,12 @@ static void via2_irq(unsigned int irq, struct irq_desc *desc) irq_bit <<= 1; } while (events >= irq_bit); } -#else -irqreturn_t via1_irq(int irq, void *dev_id) -{ - int irq_num; - unsigned char irq_bit, events; - - events = via1[vIFR] & via1[vIER] & 0x7F; - if (!events) - return IRQ_NONE; - - irq_num = VIA1_SOURCE_BASE; - irq_bit = 1; - do { - if (events & irq_bit) { - via1[vIFR] = irq_bit; - generic_handle_irq(irq_num); - } - ++irq_num; - irq_bit <<= 1; - } while (events >= irq_bit); - return IRQ_HANDLED; -} - -irqreturn_t via2_irq(int irq, void *dev_id) -{ - int irq_num; - unsigned char irq_bit, events; - - events = via2[gIFR] & via2[gIER] & 0x7F; - if (!events) - return IRQ_NONE; - - irq_num = VIA2_SOURCE_BASE; - irq_bit = 1; - do { - if (events & irq_bit) { - via2[gIFR] = irq_bit | rbv_clear; - generic_handle_irq(irq_num); - } - ++irq_num; - irq_bit <<= 1; - } while (events >= irq_bit); - return IRQ_HANDLED; -} -#endif /* * Dispatch Nubus interrupts. We are called as a secondary dispatch by the * VIA2 dispatcher as a fast interrupt handler. */ -#ifdef CONFIG_GENERIC_HARDIRQS void via_nubus_irq(unsigned int irq, struct irq_desc *desc) { int slot_irq; @@ -545,43 +496,6 @@ void via_nubus_irq(unsigned int irq, struct irq_desc *desc) events &= ~via2[vDirA]; } while (events); } -#else -irqreturn_t via_nubus_irq(int irq, void *dev_id) -{ - int slot_irq; - unsigned char slot_bit, events; - - events = ~via2[gBufA] & 0x7F; - if (rbv_present) - events &= via2[rSIER]; - else - events &= ~via2[vDirA]; - if (!events) - return IRQ_NONE; - - do { - slot_irq = IRQ_NUBUS_F; - slot_bit = 0x40; - do { - if (events & slot_bit) { - events &= ~slot_bit; - generic_handle_irq(slot_irq); - } - --slot_irq; - slot_bit >>= 1; - } while (events); - - /* clear the CA1 interrupt and make certain there's no more. */ - via2[gIFR] = 0x02 | rbv_clear; - events = ~via2[gBufA] & 0x7F; - if (rbv_present) - events &= via2[rSIER]; - else - events &= ~via2[vDirA]; - } while (events); - return IRQ_HANDLED; -} -#endif /* * Register the interrupt dispatchers for VIA or RBV machines only. @@ -589,7 +503,6 @@ irqreturn_t via_nubus_irq(int irq, void *dev_id) void __init via_register_interrupts(void) { -#ifdef CONFIG_GENERIC_HARDIRQS if (via_alt_mapping) { /* software interrupt */ irq_set_chained_handler(IRQ_AUTO_1, via1_irq); @@ -600,23 +513,6 @@ void __init via_register_interrupts(void) } irq_set_chained_handler(IRQ_AUTO_2, via2_irq); irq_set_chained_handler(IRQ_MAC_NUBUS, via_nubus_irq); -#else - if (via_alt_mapping) { - if (request_irq(IRQ_AUTO_1, via1_irq, 0, "software", - (void *)via1)) - pr_err("Couldn't register %s interrupt\n", "software"); - if (request_irq(IRQ_AUTO_6, via1_irq, 0, "via1", (void *)via1)) - pr_err("Couldn't register %s interrupt\n", "via1"); - } else { - if (request_irq(IRQ_AUTO_1, via1_irq, 0, "via1", (void *)via1)) - pr_err("Couldn't register %s interrupt\n", "via1"); - } - if (request_irq(IRQ_AUTO_2, via2_irq, 0, "via2", (void *)via2)) - pr_err("Couldn't register %s interrupt\n", "via2"); - if (request_irq(IRQ_MAC_NUBUS, via_nubus_irq, 0, "nubus", - (void *)via2)) - pr_err("Couldn't register %s interrupt\n", "nubus"); -#endif } void via_irq_enable(int irq) { diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c index f1e5288f043f..2b888491f29a 100644 --- a/arch/m68k/q40/q40ints.c +++ b/arch/m68k/q40/q40ints.c @@ -15,11 +15,7 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/interrupt.h> -#ifdef CONFIG_GENERIC_HARDIRQS #include <linux/irq.h> -#else -#include <asm/irq.h> -#endif #include <asm/ptrace.h> #include <asm/system.h> @@ -329,15 +325,3 @@ void q40_irq_disable(struct irq_data *data) printk("disable_irq nesting count %d\n",mext_disabled); } } - -#ifndef CONFIG_GENERIC_HARDIRQS -unsigned long q40_probe_irq_on(void) -{ - printk("irq probing not working - reconfigure the driver to avoid this\n"); - return -1; -} -int q40_probe_irq_off(unsigned long irqs) -{ - return -1; -} -#endif diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c index 626b601931e9..7eb378195cf7 100644 --- a/arch/m68k/sun3/sun3ints.c +++ b/arch/m68k/sun3/sun3ints.c @@ -53,9 +53,6 @@ static irqreturn_t sun3_int7(int irq, void *dev_id) { unsigned int cnt; -#ifndef CONFIG_GENERIC_HARDIRQS - *sun3_intreg |= (1 << irq); -#endif cnt = kstat_irqs_cpu(irq, 0); if (!(cnt % 2000)) sun3_leds(led_pattern[cnt % 16000 / 2000]); @@ -69,9 +66,6 @@ static irqreturn_t sun3_int5(int irq, void *dev_id) #ifdef CONFIG_SUN3 intersil_clear(); #endif -#ifndef CONFIG_GENERIC_HARDIRQS - *sun3_intreg |= (1 << irq); -#endif #ifdef CONFIG_SUN3 intersil_clear(); #endif @@ -89,15 +83,6 @@ static irqreturn_t sun3_vec255(int irq, void *dev_id) return IRQ_HANDLED; } -#ifndef CONFIG_GENERIC_HARDIRQS -static void sun3_inthandle(unsigned int irq, struct pt_regs *fp) -{ - *sun3_intreg &= ~(1 << irq); - - do_IRQ(irq, fp); -} -#endif - static void sun3_irq_enable(struct irq_data *data) { sun3_enable_irq(data->irq); @@ -114,19 +99,14 @@ static struct irq_chip sun3_irq_chip = { .irq_shutdown = m68k_irq_shutdown, .irq_enable = sun3_irq_enable, .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) { *sun3_intreg = 1; -#ifndef CONFIG_GENERIC_HARDIRQS - m68k_setup_auto_interrupt(sun3_inthandle); -#endif m68k_setup_irq_controller(&sun3_irq_chip, handle_level_irq, IRQ_AUTO_1, 7); m68k_setup_user_interrupt(VEC_USER, 128, NULL); |
