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

Geert Uytterhoeven (geert@linux-m68k.org)
Mon, 12 May 2003 11:54:38 +0200


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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/