[PATCH] M68k IRQ API updates [9/20]

From: Geert Uytterhoeven (geert@linux-m68k.org)
Date: Mon May 12 2003 - 04:54:38 EST

M68k MVME16x: Update to the new irq API (from Roman Zippel and me) [9/20]

--- linux-2.5.69/arch/m68k/mvme16x/16xints.c Sun Dec 9 15:15:24 2001
+++ linux-m68k-2.5.69/arch/m68k/mvme16x/16xints.c Fri May 9 10:21:30 2003
@@ -20,14 +20,14 @@
 #include <asm/ptrace.h>
 #include <asm/irq.h>
 
-static void mvme16x_defhand (int irq, void *dev_id, struct pt_regs *fp);
+static irqreturn_t mvme16x_defhand (int irq, void *dev_id, struct pt_regs *fp);
 
 /*
  * This should ideally be 4 elements only, for speed.
  */
 
 static struct {
- void (*handler)(int, void *, struct pt_regs *);
+ irqreturn_t (*handler)(int, void *, struct pt_regs *);
         unsigned long flags;
         void *dev_id;
         const char *devname;
@@ -60,7 +60,7 @@
 }
 
 int mvme16x_request_irq(unsigned int irq,
- void (*handler)(int, void *, struct pt_regs *),
+ irqreturn_t (*handler)(int, void *, struct pt_regs *),
                 unsigned long flags, const char *devname, void *dev_id)
 {
         if (irq < 64 || irq > 255) {
@@ -104,14 +104,15 @@
         irq_tab[irq-64].devname = NULL;
 }
 
-void mvme16x_process_int (unsigned long vec, struct pt_regs *fp)
+irqreturn_t mvme16x_process_int (unsigned long vec, struct pt_regs *fp)
 {
- if (vec < 64 || vec > 255)
+ if (vec < 64 || vec > 255) {
                 printk ("mvme16x_process_int: Illegal vector %ld", vec);
- else
- {
+ return IRQ_NONE;
+ } else {
                 irq_tab[vec-64].count++;
                 irq_tab[vec-64].handler(vec, irq_tab[vec-64].dev_id, fp);
+ return IRQ_HANDLED;
         }
 }
 
@@ -129,9 +130,10 @@
 }
 
 
-static void mvme16x_defhand (int irq, void *dev_id, struct pt_regs *fp)
+static irqreturn_t mvme16x_defhand (int irq, void *dev_id, struct pt_regs *fp)
 {
         printk ("Unknown interrupt 0x%02x\n", irq);
+ return IRQ_NONE;
 }
 
 
--- linux-2.5.69/arch/m68k/mvme16x/config.c Thu Jan 2 12:53:57 2003
+++ linux-m68k-2.5.69/arch/m68k/mvme16x/config.c Fri May 9 10:21:30 2003
@@ -40,7 +40,7 @@
 
 static MK48T08ptr_t volatile rtc = (MK48T08ptr_t)MVME_RTC_BASE;
 
-extern void mvme16x_process_int (int level, struct pt_regs *regs);
+extern irqreturn_t mvme16x_process_int (int level, struct pt_regs *regs);
 extern void mvme16x_init_IRQ (void);
 extern void mvme16x_free_irq (unsigned int, void *);
 extern int show_mvme16x_interrupts (struct seq_file *, void *);
@@ -48,8 +48,8 @@
 extern void mvme16x_disable_irq (unsigned int);
 static void mvme16x_get_model(char *model);
 static int mvme16x_get_hardware_list(char *buffer);
-extern int mvme16x_request_irq(unsigned int irq, void (*handler)(int, void *, struct pt_regs *), unsigned long flags, const char *devname, void *dev_id);
-extern void mvme16x_sched_init(void (*handler)(int, void *, struct pt_regs *));
+extern int mvme16x_request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *), unsigned long flags, const char *devname, void *dev_id);
+extern void mvme16x_sched_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
 extern unsigned long mvme16x_gettimeoffset (void);
 extern int mvme16x_hwclk (int, struct rtc_time *);
 extern int mvme16x_set_clock_mmss (unsigned long);
@@ -61,7 +61,7 @@
 /* Save tick handler routine pointer, will point to do_timer() in
  * kernel/sched.c, called via mvme16x_process_int() */
 
-static void (*tick_handler)(int, void *, struct pt_regs *);
+static irqreturn_t (*tick_handler)(int, void *, struct pt_regs *);
 
 
 unsigned short mvme16x_config;
@@ -193,7 +193,7 @@
     }
 }
 
-static void mvme16x_abort_int (int irq, void *dev_id, struct pt_regs *fp)
+static irqreturn_t mvme16x_abort_int (int irq, void *dev_id, struct pt_regs *fp)
 {
         p_bdid p = &mvme_bdid;
         unsigned long *new = (unsigned long *)vectors;
@@ -218,15 +218,16 @@
                 *(new+0x5e) = *(old+0x5e); /* ABORT switch */
         else
                 *(new+0x6e) = *(old+0x6e); /* ABORT switch */
+ return IRQ_HANDLED;
 }
 
-static void mvme16x_timer_int (int irq, void *dev_id, struct pt_regs *fp)
+static irqreturn_t mvme16x_timer_int (int irq, void *dev_id, struct pt_regs *fp)
 {
     *(volatile unsigned char *)0xfff4201b |= 8;
- tick_handler(irq, dev_id, fp);
+ return tick_handler(irq, dev_id, fp);
 }
 
-void mvme16x_sched_init (void (*timer_routine)(int, void *, struct pt_regs *))
+void mvme16x_sched_init (irqreturn_t (*timer_routine)(int, void *, struct pt_regs *))
 {
     p_bdid p = &mvme_bdid;
     int irq;

Gr{oetje,eeting}s,

                                                Geert 

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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