From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Linux Kernel Development <linux-kernel@vger.kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>
Subject: [PATCH] M68k IRQ API updates [7/20]
Date: Mon, 12 May 2003 11:54:37 +0200 [thread overview]
Message-ID: <200305120954.h4C9sbxi000991@callisto.of.borg> (raw)
M68k Macintosh: Update to the new irq API (from Roman Zippel and me) [7/20]
--- linux-2.5.69/arch/m68k/mac/baboon.c Tue Mar 25 10:06:08 2003
+++ linux-m68k-2.5.69/arch/m68k/mac/baboon.c Tue May 6 13:50:49 2003
@@ -25,7 +25,7 @@
int baboon_present,baboon_active;
volatile struct baboon *baboon;
-void baboon_irq(int, void *, struct pt_regs *);
+irqreturn_t baboon_irq(int, void *, struct pt_regs *);
#if 0
extern int macide_ack_intr(struct ata_channel *);
@@ -64,7 +64,7 @@
* Baboon interrupt handler. This works a lot like a VIA.
*/
-void baboon_irq(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t baboon_irq(int irq, void *dev_id, struct pt_regs *regs)
{
int irq_bit,i;
unsigned char events;
@@ -75,7 +75,8 @@
(uint) baboon->mb_status, baboon_active);
#endif
- if (!(events = baboon->mb_ifr & 0x07)) return;
+ if (!(events = baboon->mb_ifr & 0x07))
+ return IRQ_NONE;
for (i = 0, irq_bit = 1 ; i < 3 ; i++, irq_bit <<= 1) {
if (events & irq_bit/* & baboon_active*/) {
@@ -90,6 +91,7 @@
/* for now we need to smash all interrupts */
baboon->mb_ifr &= ~events;
#endif
+ return IRQ_HANDLED;
}
void baboon_irq_enable(int irq) {
--- linux-2.5.69/arch/m68k/mac/config.c Thu Jan 2 12:53:57 2003
+++ linux-m68k-2.5.69/arch/m68k/mac/config.c Tue May 6 13:50:49 2003
@@ -72,7 +72,7 @@
extern void iop_preinit(void);
extern void iop_init(void);
extern void via_init(void);
-extern void via_init_clock(void (*func)(int, void *, struct pt_regs *));
+extern void via_init_clock(irqreturn_t (*func)(int, void *, struct pt_regs *));
extern void via_flush_cache(void);
extern void oss_init(void);
extern void psc_init(void);
@@ -94,7 +94,7 @@
mac_reset();
}
-static void mac_sched_init(void (*vector)(int, void *, struct pt_regs *))
+static void mac_sched_init(irqreturn_t (*vector)(int, void *, struct pt_regs *))
{
via_init_clock(vector);
}
@@ -106,9 +106,9 @@
}
#endif
-extern void mac_default_handler(int, void *, struct pt_regs *);
+extern irqreturn_t mac_default_handler(int, void *, struct pt_regs *);
-void (*mac_handlers[8])(int, void *, struct pt_regs *)=
+irqreturn_t (*mac_handlers[8])(int, void *, struct pt_regs *)=
{
mac_default_handler,
mac_default_handler,
--- linux-2.5.69/arch/m68k/mac/iop.c Tue Mar 25 10:06:08 2003
+++ linux-m68k-2.5.69/arch/m68k/mac/iop.c Tue May 6 13:50:49 2003
@@ -153,7 +153,7 @@
static struct iop_msg *iop_send_queue[NUM_IOPS][NUM_IOP_CHAN];
static struct listener iop_listeners[NUM_IOPS][NUM_IOP_CHAN];
-void iop_ism_irq(int, void *, struct pt_regs *);
+irqreturn_t iop_ism_irq(int, void *, struct pt_regs *);
extern void oss_irq_enable(int);
@@ -585,7 +585,7 @@
* Handle an ISM IOP interrupt
*/
-void iop_ism_irq(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t iop_ism_irq(int irq, void *dev_id, struct pt_regs *regs)
{
uint iop_num = (uint) dev_id;
volatile struct mac_iop *iop = iop_base[iop_num];
@@ -636,7 +636,7 @@
printk("\n");
#endif
}
-
+ return IRQ_HANDLED;
}
#ifdef CONFIG_PROC_FS
--- linux-2.5.69/arch/m68k/mac/macints.c Tue Mar 25 10:06:08 2003
+++ linux-m68k-2.5.69/arch/m68k/mac/macints.c Tue May 6 13:50:49 2003
@@ -217,10 +217,9 @@
* console_loglevel determines NMI handler function
*/
-extern void mac_bang(int, void *, struct pt_regs *);
-
-void mac_nmi_handler(int, void *, struct pt_regs *);
-void mac_debug_handler(int, void *, struct pt_regs *);
+extern irqreturn_t mac_bang(int, void *, struct pt_regs *);
+irqreturn_t mac_nmi_handler(int, void *, struct pt_regs *);
+irqreturn_t mac_debug_handler(int, void *, struct pt_regs *);
/* #define DEBUG_MACINTS */
@@ -499,7 +498,7 @@
*/
int mac_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)
{
irq_node_t *node;
@@ -647,18 +646,19 @@
static int num_debug[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
-void mac_debug_handler(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t mac_debug_handler(int irq, void *dev_id, struct pt_regs *regs)
{
if (num_debug[irq] < 10) {
printk("DEBUG: Unexpected IRQ %d\n", irq);
num_debug[irq]++;
}
+ return IRQ_HANDLED;
}
static int in_nmi = 0;
static volatile int nmi_hold = 0;
-void mac_nmi_handler(int irq, void *dev_id, struct pt_regs *fp)
+irqreturn_t mac_nmi_handler(int irq, void *dev_id, struct pt_regs *fp)
{
int i;
/*
@@ -703,6 +703,7 @@
#endif
}
in_nmi--;
+ return IRQ_HANDLED;
}
/*
--- linux-2.5.69/arch/m68k/mac/oss.c Mon Feb 19 10:36:43 2001
+++ linux-m68k-2.5.69/arch/m68k/mac/oss.c Tue May 6 13:50:50 2003
@@ -30,11 +30,11 @@
int oss_present;
volatile struct mac_oss *oss;
-void oss_irq(int, void *, struct pt_regs *);
-void oss_nubus_irq(int, void *, struct pt_regs *);
+irqreturn_t oss_irq(int, void *, struct pt_regs *);
+irqreturn_t oss_nubus_irq(int, void *, struct pt_regs *);
-extern void via1_irq(int, void *, struct pt_regs *);
-extern void mac_scc_dispatch(int, void *, struct pt_regs *);
+extern irqreturn_t via1_irq(int, void *, struct pt_regs *);
+extern irqreturn_t mac_scc_dispatch(int, void *, struct pt_regs *);
/*
* Initialize the OSS
@@ -92,12 +92,13 @@
* and SCSI; everything else is routed to its own autovector IRQ.
*/
-void oss_irq(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t oss_irq(int irq, void *dev_id, struct pt_regs *regs)
{
int events;
events = oss->irq_pending & (OSS_IP_SOUND|OSS_IP_SCSI);
- if (!events) return;
+ if (!events)
+ return IRQ_NONE;
#ifdef DEBUG_IRQS
if ((console_loglevel == 10) && !(events & OSS_IP_SCSI)) {
@@ -118,6 +119,7 @@
} else {
/* FIXME: error check here? */
}
+ return IRQ_HANDLED;
}
/*
@@ -126,12 +128,13 @@
* Unlike the VIA/RBV this is on its own autovector interrupt level.
*/
-void oss_nubus_irq(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t oss_nubus_irq(int irq, void *dev_id, struct pt_regs *regs)
{
int events, irq_bit, i;
events = oss->irq_pending & OSS_IP_NUBUS;
- if (!events) return;
+ if (!events)
+ return IRQ_NONE;
#ifdef DEBUG_NUBUS_INT
if (console_loglevel > 7) {
@@ -148,6 +151,7 @@
oss->irq_level[i] = OSS_IRQLEV_NUBUS;
}
}
+ return IRQ_HANDLED;
}
/*
--- linux-2.5.69/arch/m68k/mac/psc.c Wed Jun 6 13:54:18 2001
+++ linux-m68k-2.5.69/arch/m68k/mac/psc.c Tue May 6 13:50:50 2003
@@ -30,7 +30,7 @@
int psc_present;
volatile __u8 *psc;
-void psc_irq(int, void *, struct pt_regs *);
+irqreturn_t psc_irq(int, void *, struct pt_regs *);
/*
* Debugging dump, used in various places to see what's going on.
@@ -131,7 +131,7 @@
* PSC interrupt handler. It's a lot like the VIA interrupt handler.
*/
-void psc_irq(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t psc_irq(int irq, void *dev_id, struct pt_regs *regs)
{
int pIFR = pIFRbase + ((int) dev_id);
int pIER = pIERbase + ((int) dev_id);
@@ -147,7 +147,8 @@
#endif
events = psc_read_byte(pIFR) & psc_read_byte(pIER) & 0xF;
- if (!events) return;
+ if (!events)
+ return IRQ_NONE;
for (i = 0, irq_bit = 1 ; i < 4 ; i++, irq_bit <<= 1) {
if (events & irq_bit) {
@@ -157,6 +158,7 @@
psc_write_byte(pIER, irq_bit | 0x80);
}
}
+ return IRQ_HANDLED;
}
void psc_irq_enable(int irq) {
--- linux-2.5.69/arch/m68k/mac/via.c Mon Feb 10 21:58:38 2003
+++ linux-m68k-2.5.69/arch/m68k/mac/via.c Tue May 6 13:50:50 2003
@@ -65,15 +65,15 @@
static int nubus_active = 0;
void via_debug_dump(void);
-void via1_irq(int, void *, struct pt_regs *);
-void via2_irq(int, void *, struct pt_regs *);
-void via_nubus_irq(int, void *, struct pt_regs *);
+irqreturn_t via1_irq(int, void *, struct pt_regs *);
+irqreturn_t via2_irq(int, void *, struct pt_regs *);
+irqreturn_t via_nubus_irq(int, void *, struct pt_regs *);
void via_irq_enable(int irq);
void via_irq_disable(int irq);
void via_irq_clear(int irq);
-extern void mac_bang(int, void *, struct pt_regs *);
-extern void mac_scc_dispatch(int, void *, struct pt_regs *);
+extern irqreturn_t mac_bang(int, void *, struct pt_regs *);
+extern irqreturn_t mac_scc_dispatch(int, void *, struct pt_regs *);
extern int oss_present;
/*
@@ -243,7 +243,7 @@
* Start the 100 Hz clock
*/
-void __init via_init_clock(void (*func)(int, void *, struct pt_regs *))
+void __init via_init_clock(irqreturn_t (*func)(int, void *, struct pt_regs *))
{
via1[vACR] |= 0x40;
via1[vT1LL] = MAC_CLOCK_LOW;
@@ -423,13 +423,14 @@
* the machspec interrupt number after clearing the interrupt.
*/
-void via1_irq(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t via1_irq(int irq, void *dev_id, struct pt_regs *regs)
{
int irq_bit, i;
unsigned char events, mask;
mask = via1[vIER] & 0x7F;
- if (!(events = via1[vIFR] & mask)) return;
+ if (!(events = via1[vIFR] & mask))
+ return IRQ_NONE;
for (i = 0, irq_bit = 1 ; i < 7 ; i++, irq_bit <<= 1)
if (events & irq_bit) {
@@ -453,15 +454,17 @@
via_irq_enable(IRQ_MAC_NUBUS);
}
#endif
+ return IRQ_HANDLED;
}
-void via2_irq(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t via2_irq(int irq, void *dev_id, struct pt_regs *regs)
{
int irq_bit, i;
unsigned char events, mask;
mask = via2[gIER] & 0x7F;
- if (!(events = via2[gIFR] & mask)) return;
+ if (!(events = via2[gIFR] & mask))
+ return IRQ_NONE;
for (i = 0, irq_bit = 1 ; i < 7 ; i++, irq_bit <<= 1)
if (events & irq_bit) {
@@ -470,6 +473,7 @@
via2[gIFR] = irq_bit | rbv_clear;
via2[gIER] = irq_bit | 0x80;
}
+ return IRQ_HANDLED;
}
/*
@@ -477,12 +481,13 @@
* VIA2 dispatcher as a fast interrupt handler.
*/
-void via_nubus_irq(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t via_nubus_irq(int irq, void *dev_id, struct pt_regs *regs)
{
int irq_bit, i;
unsigned char events;
- if (!(events = ~via2[gBufA] & nubus_active)) return;
+ if (!(events = ~via2[gBufA] & nubus_active))
+ return IRQ_NONE;
for (i = 0, irq_bit = 1 ; i < 7 ; i++, irq_bit <<= 1) {
if (events & irq_bit) {
@@ -491,6 +496,7 @@
via_irq_enable(NUBUS_SOURCE_BASE + i);
}
}
+ return IRQ_HANDLED;
}
void via_irq_enable(int irq) {
--- linux-2.5.69/include/asm-m68k/macintosh.h Thu Jan 2 12:55:07 2003
+++ linux-m68k-2.5.69/include/asm-m68k/macintosh.h Tue May 6 13:50:50 2003
@@ -2,6 +2,7 @@
#define __ASM_MACINTOSH_H
#include <linux/seq_file.h>
+#include <linux/interrupt.h>
/*
* Apple Macintoshisms
@@ -10,7 +11,7 @@
extern void mac_reset(void);
extern void mac_poweroff(void);
extern void mac_init_IRQ(void);
-extern int mac_request_irq (unsigned int, void (*)(int, void *,
+extern int mac_request_irq (unsigned int, irqreturn_t (*)(int, void *,
struct pt_regs *),
unsigned long, const char *, void *);
extern void mac_free_irq(unsigned int, void *);
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
reply other threads:[~2003-05-12 9:46 UTC|newest]
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