m68k/irq: Remove obsolete m68k irq framework

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

4 files changed, 0 insertions, 267 deletions

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) {