From 200a3d352cd5e0ae8fb96bfcf8103f7b7c60645b Mon Sep 17 00:00:00 2001 From: Roman Zippel Date: Sun, 25 Jun 2006 05:47:06 -0700 Subject: [PATCH] m68k: convert VME irq code Signed-off-by: Roman Zippel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/m68k/bvme6000/Makefile | 2 +- arch/m68k/bvme6000/bvmeints.c | 161 ------------------------------------------ arch/m68k/bvme6000/config.c | 21 +++--- 3 files changed, 9 insertions(+), 175 deletions(-) delete mode 100644 arch/m68k/bvme6000/bvmeints.c (limited to 'arch/m68k/bvme6000') diff --git a/arch/m68k/bvme6000/Makefile b/arch/m68k/bvme6000/Makefile index 2348e6ceed1..d8174004fe2 100644 --- a/arch/m68k/bvme6000/Makefile +++ b/arch/m68k/bvme6000/Makefile @@ -2,4 +2,4 @@ # Makefile for Linux arch/m68k/bvme6000 source directory # -obj-y := config.o bvmeints.o rtc.o +obj-y := config.o rtc.o diff --git a/arch/m68k/bvme6000/bvmeints.c b/arch/m68k/bvme6000/bvmeints.c deleted file mode 100644 index b015fdc1b0c..00000000000 --- a/arch/m68k/bvme6000/bvmeints.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - * arch/m68k/bvme6000/bvmeints.c - * - * Copyright (C) 1997 Richard Hirst [richard@sleepie.demon.co.uk] - * - * based on amiints.c -- Amiga Linux interrupt handling code - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file README.legal in the main directory of this archive - * for more details. - * - */ - -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -static irqreturn_t bvme6000_defhand (int irq, void *dev_id, struct pt_regs *fp); - -/* - * This should ideally be 4 elements only, for speed. - */ - -static struct { - irqreturn_t (*handler)(int, void *, struct pt_regs *); - unsigned long flags; - void *dev_id; - const char *devname; - unsigned count; -} irq_tab[256]; - -/* - * void bvme6000_init_IRQ (void) - * - * Parameters: None - * - * Returns: Nothing - * - * This function is called during kernel startup to initialize - * the bvme6000 IRQ handling routines. - */ - -void bvme6000_init_IRQ (void) -{ - int i; - - for (i = 0; i < 256; i++) { - irq_tab[i].handler = bvme6000_defhand; - irq_tab[i].flags = IRQ_FLG_STD; - irq_tab[i].dev_id = NULL; - irq_tab[i].devname = NULL; - irq_tab[i].count = 0; - } -} - -int bvme6000_request_irq(unsigned int irq, - irqreturn_t (*handler)(int, void *, struct pt_regs *), - unsigned long flags, const char *devname, void *dev_id) -{ - if (irq > 255) { - printk("%s: Incorrect IRQ %d from %s\n", __FUNCTION__, irq, devname); - return -ENXIO; - } -#if 0 - /* Nothing special about auto-vectored devices for the BVME6000, - * but treat it specially to avoid changes elsewhere. - */ - - if (irq >= VEC_INT1 && irq <= VEC_INT7) - return cpu_request_irq(irq - VEC_SPUR, handler, flags, - devname, dev_id); -#endif - if (!(irq_tab[irq].flags & IRQ_FLG_STD)) { - if (irq_tab[irq].flags & IRQ_FLG_LOCK) { - printk("%s: IRQ %d from %s is not replaceable\n", - __FUNCTION__, irq, irq_tab[irq].devname); - return -EBUSY; - } - if (flags & IRQ_FLG_REPLACE) { - printk("%s: %s can't replace IRQ %d from %s\n", - __FUNCTION__, devname, irq, irq_tab[irq].devname); - return -EBUSY; - } - } - irq_tab[irq].handler = handler; - irq_tab[irq].flags = flags; - irq_tab[irq].dev_id = dev_id; - irq_tab[irq].devname = devname; - return 0; -} - -void bvme6000_free_irq(unsigned int irq, void *dev_id) -{ - if (irq > 255) { - printk("%s: Incorrect IRQ %d\n", __FUNCTION__, irq); - return; - } -#if 0 - if (irq >= VEC_INT1 && irq <= VEC_INT7) { - cpu_free_irq(irq - VEC_SPUR, dev_id); - return; - } -#endif - if (irq_tab[irq].dev_id != dev_id) - printk("%s: Removing probably wrong IRQ %d from %s\n", - __FUNCTION__, irq, irq_tab[irq].devname); - - irq_tab[irq].handler = bvme6000_defhand; - irq_tab[irq].flags = IRQ_FLG_STD; - irq_tab[irq].dev_id = NULL; - irq_tab[irq].devname = NULL; -} - -irqreturn_t bvme6000_process_int (unsigned long vec, struct pt_regs *fp) -{ - if (vec > 255) { - printk ("bvme6000_process_int: Illegal vector %ld", vec); - return IRQ_NONE; - } else { - irq_tab[vec].count++; - irq_tab[vec].handler(vec, irq_tab[vec].dev_id, fp); - return IRQ_HANDLED; - } -} - -int show_bvme6000_interrupts(struct seq_file *p, void *v) -{ - int i; - - for (i = 0; i < 256; i++) { - if (irq_tab[i].count) - seq_printf(p, "Vec 0x%02x: %8d %s\n", - i, irq_tab[i].count, - irq_tab[i].devname ? irq_tab[i].devname : "free"); - } - return 0; -} - - -static irqreturn_t bvme6000_defhand (int irq, void *dev_id, struct pt_regs *fp) -{ - printk ("Unknown interrupt 0x%02x\n", irq); - return IRQ_NONE; -} - -void bvme6000_enable_irq (unsigned int irq) -{ -} - - -void bvme6000_disable_irq (unsigned int irq) -{ -} - diff --git a/arch/m68k/bvme6000/config.c b/arch/m68k/bvme6000/config.c index c90cb5fcc8e..d1e916ae55a 100644 --- a/arch/m68k/bvme6000/config.c +++ b/arch/m68k/bvme6000/config.c @@ -36,15 +36,8 @@ #include #include -extern irqreturn_t bvme6000_process_int (int level, struct pt_regs *regs); -extern void bvme6000_init_IRQ (void); -extern void bvme6000_free_irq (unsigned int, void *); -extern int show_bvme6000_interrupts(struct seq_file *, void *); -extern void bvme6000_enable_irq (unsigned int); -extern void bvme6000_disable_irq (unsigned int); static void bvme6000_get_model(char *model); static int bvme6000_get_hardware_list(char *buffer); -extern int bvme6000_request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *), unsigned long flags, const char *devname, void *dev_id); extern void bvme6000_sched_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); extern unsigned long bvme6000_gettimeoffset (void); extern int bvme6000_hwclk (int, struct rtc_time *); @@ -100,6 +93,14 @@ static int bvme6000_get_hardware_list(char *buffer) return 0; } +/* + * This function is called during kernel startup to initialize + * the bvme6000 IRQ handling routines. + */ +static void bvme6000_init_IRQ(void) +{ + m68k_setup_user_interrupt(VEC_USER, 192, NULL); +} void __init config_bvme6000(void) { @@ -127,12 +128,6 @@ void __init config_bvme6000(void) mach_hwclk = bvme6000_hwclk; mach_set_clock_mmss = bvme6000_set_clock_mmss; mach_reset = bvme6000_reset; - mach_free_irq = bvme6000_free_irq; - mach_process_int = bvme6000_process_int; - mach_get_irq_list = show_bvme6000_interrupts; - mach_request_irq = bvme6000_request_irq; - enable_irq = bvme6000_enable_irq; - disable_irq = bvme6000_disable_irq; mach_get_model = bvme6000_get_model; mach_get_hardware_list = bvme6000_get_hardware_list; -- cgit v1.2.3-18-g5258