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Diffstat (limited to 'arch/ppc/platforms/pmac_pic.c')
-rw-r--r--arch/ppc/platforms/pmac_pic.c693
1 files changed, 0 insertions, 693 deletions
diff --git a/arch/ppc/platforms/pmac_pic.c b/arch/ppc/platforms/pmac_pic.c
deleted file mode 100644
index 4742bf609357..000000000000
--- a/arch/ppc/platforms/pmac_pic.c
+++ /dev/null
@@ -1,693 +0,0 @@
-/*
- * Support for the interrupt controllers found on Power Macintosh,
- * currently Apple's "Grand Central" interrupt controller in all
- * it's incarnations. OpenPIC support used on newer machines is
- * in a separate file
- *
- * Copyright (C) 1997 Paul Mackerras (paulus@cs.anu.edu.au)
- *
- * Maintained by Benjamin Herrenschmidt (benh@kernel.crashing.org)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- */
-
-#include <linux/config.h>
-#include <linux/stddef.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/signal.h>
-#include <linux/pci.h>
-#include <linux/interrupt.h>
-#include <linux/sysdev.h>
-#include <linux/adb.h>
-#include <linux/pmu.h>
-
-#include <asm/sections.h>
-#include <asm/io.h>
-#include <asm/smp.h>
-#include <asm/prom.h>
-#include <asm/pci-bridge.h>
-#include <asm/time.h>
-#include <asm/open_pic.h>
-#include <asm/xmon.h>
-#include <asm/pmac_feature.h>
-#include <asm/machdep.h>
-
-#include "pmac_pic.h"
-
-/*
- * XXX this should be in xmon.h, but putting it there means xmon.h
- * has to include <linux/interrupt.h> (to get irqreturn_t), which
- * causes all sorts of problems. -- paulus
- */
-extern irqreturn_t xmon_irq(int, void *, struct pt_regs *);
-
-struct pmac_irq_hw {
- unsigned int event;
- unsigned int enable;
- unsigned int ack;
- unsigned int level;
-};
-
-/* Default addresses */
-static volatile struct pmac_irq_hw *pmac_irq_hw[4] = {
- (struct pmac_irq_hw *) 0xf3000020,
- (struct pmac_irq_hw *) 0xf3000010,
- (struct pmac_irq_hw *) 0xf4000020,
- (struct pmac_irq_hw *) 0xf4000010,
-};
-
-#define GC_LEVEL_MASK 0x3ff00000
-#define OHARE_LEVEL_MASK 0x1ff00000
-#define HEATHROW_LEVEL_MASK 0x1ff00000
-
-static int max_irqs;
-static int max_real_irqs;
-static u32 level_mask[4];
-
-static DEFINE_SPINLOCK(pmac_pic_lock);
-
-
-#define GATWICK_IRQ_POOL_SIZE 10
-static struct interrupt_info gatwick_int_pool[GATWICK_IRQ_POOL_SIZE];
-
-#define NR_MASK_WORDS ((NR_IRQS + 31) / 32)
-static unsigned long ppc_lost_interrupts[NR_MASK_WORDS];
-
-/*
- * Mark an irq as "lost". This is only used on the pmac
- * since it can lose interrupts (see pmac_set_irq_mask).
- * -- Cort
- */
-void
-__set_lost(unsigned long irq_nr, int nokick)
-{
- if (!test_and_set_bit(irq_nr, ppc_lost_interrupts)) {
- atomic_inc(&ppc_n_lost_interrupts);
- if (!nokick)
- set_dec(1);
- }
-}
-
-static void
-pmac_mask_and_ack_irq(unsigned int irq_nr)
-{
- unsigned long bit = 1UL << (irq_nr & 0x1f);
- int i = irq_nr >> 5;
- unsigned long flags;
-
- if ((unsigned)irq_nr >= max_irqs)
- return;
-
- clear_bit(irq_nr, ppc_cached_irq_mask);
- if (test_and_clear_bit(irq_nr, ppc_lost_interrupts))
- atomic_dec(&ppc_n_lost_interrupts);
- spin_lock_irqsave(&pmac_pic_lock, flags);
- out_le32(&pmac_irq_hw[i]->enable, ppc_cached_irq_mask[i]);
- out_le32(&pmac_irq_hw[i]->ack, bit);
- do {
- /* make sure ack gets to controller before we enable
- interrupts */
- mb();
- } while((in_le32(&pmac_irq_hw[i]->enable) & bit)
- != (ppc_cached_irq_mask[i] & bit));
- spin_unlock_irqrestore(&pmac_pic_lock, flags);
-}
-
-static void pmac_set_irq_mask(unsigned int irq_nr, int nokicklost)
-{
- unsigned long bit = 1UL << (irq_nr & 0x1f);
- int i = irq_nr >> 5;
- unsigned long flags;
-
- if ((unsigned)irq_nr >= max_irqs)
- return;
-
- spin_lock_irqsave(&pmac_pic_lock, flags);
- /* enable unmasked interrupts */
- out_le32(&pmac_irq_hw[i]->enable, ppc_cached_irq_mask[i]);
-
- do {
- /* make sure mask gets to controller before we
- return to user */
- mb();
- } while((in_le32(&pmac_irq_hw[i]->enable) & bit)
- != (ppc_cached_irq_mask[i] & bit));
-
- /*
- * Unfortunately, setting the bit in the enable register
- * when the device interrupt is already on *doesn't* set
- * the bit in the flag register or request another interrupt.
- */
- if (bit & ppc_cached_irq_mask[i] & in_le32(&pmac_irq_hw[i]->level))
- __set_lost((ulong)irq_nr, nokicklost);
- spin_unlock_irqrestore(&pmac_pic_lock, flags);
-}
-
-/* When an irq gets requested for the first client, if it's an
- * edge interrupt, we clear any previous one on the controller
- */
-static unsigned int pmac_startup_irq(unsigned int irq_nr)
-{
- unsigned long bit = 1UL << (irq_nr & 0x1f);
- int i = irq_nr >> 5;
-
- if ((irq_desc[irq_nr].status & IRQ_LEVEL) == 0)
- out_le32(&pmac_irq_hw[i]->ack, bit);
- set_bit(irq_nr, ppc_cached_irq_mask);
- pmac_set_irq_mask(irq_nr, 0);
-
- return 0;
-}
-
-static void pmac_mask_irq(unsigned int irq_nr)
-{
- clear_bit(irq_nr, ppc_cached_irq_mask);
- pmac_set_irq_mask(irq_nr, 0);
- mb();
-}
-
-static void pmac_unmask_irq(unsigned int irq_nr)
-{
- set_bit(irq_nr, ppc_cached_irq_mask);
- pmac_set_irq_mask(irq_nr, 0);
-}
-
-static void pmac_end_irq(unsigned int irq_nr)
-{
- if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS))
- && irq_desc[irq_nr].action) {
- set_bit(irq_nr, ppc_cached_irq_mask);
- pmac_set_irq_mask(irq_nr, 1);
- }
-}
-
-
-struct hw_interrupt_type pmac_pic = {
- .typename = " PMAC-PIC ",
- .startup = pmac_startup_irq,
- .enable = pmac_unmask_irq,
- .disable = pmac_mask_irq,
- .ack = pmac_mask_and_ack_irq,
- .end = pmac_end_irq,
-};
-
-struct hw_interrupt_type gatwick_pic = {
- .typename = " GATWICK ",
- .startup = pmac_startup_irq,
- .enable = pmac_unmask_irq,
- .disable = pmac_mask_irq,
- .ack = pmac_mask_and_ack_irq,
- .end = pmac_end_irq,
-};
-
-static irqreturn_t gatwick_action(int cpl, void *dev_id, struct pt_regs *regs)
-{
- int irq, bits;
-
- for (irq = max_irqs; (irq -= 32) >= max_real_irqs; ) {
- int i = irq >> 5;
- bits = in_le32(&pmac_irq_hw[i]->event) | ppc_lost_interrupts[i];
- /* We must read level interrupts from the level register */
- bits |= (in_le32(&pmac_irq_hw[i]->level) & level_mask[i]);
- bits &= ppc_cached_irq_mask[i];
- if (bits == 0)
- continue;
- irq += __ilog2(bits);
- __do_IRQ(irq, regs);
- return IRQ_HANDLED;
- }
- printk("gatwick irq not from gatwick pic\n");
- return IRQ_NONE;
-}
-
-int
-pmac_get_irq(struct pt_regs *regs)
-{
- int irq;
- unsigned long bits = 0;
-
-#ifdef CONFIG_SMP
- void psurge_smp_message_recv(struct pt_regs *);
-
- /* IPI's are a hack on the powersurge -- Cort */
- if ( smp_processor_id() != 0 ) {
- psurge_smp_message_recv(regs);
- return -2; /* ignore, already handled */
- }
-#endif /* CONFIG_SMP */
- for (irq = max_real_irqs; (irq -= 32) >= 0; ) {
- int i = irq >> 5;
- bits = in_le32(&pmac_irq_hw[i]->event) | ppc_lost_interrupts[i];
- /* We must read level interrupts from the level register */
- bits |= (in_le32(&pmac_irq_hw[i]->level) & level_mask[i]);
- bits &= ppc_cached_irq_mask[i];
- if (bits == 0)
- continue;
- irq += __ilog2(bits);
- break;
- }
-
- return irq;
-}
-
-/* This routine will fix some missing interrupt values in the device tree
- * on the gatwick mac-io controller used by some PowerBooks
- */
-static void __init
-pmac_fix_gatwick_interrupts(struct device_node *gw, int irq_base)
-{
- struct device_node *node;
- int count;
-
- memset(gatwick_int_pool, 0, sizeof(gatwick_int_pool));
- node = gw->child;
- count = 0;
- while(node)
- {
- /* Fix SCC */
- if (strcasecmp(node->name, "escc") == 0)
- if (node->child) {
- if (node->child->n_intrs < 3) {
- node->child->intrs = &gatwick_int_pool[count];
- count += 3;
- }
- node->child->n_intrs = 3;
- node->child->intrs[0].line = 15+irq_base;
- node->child->intrs[1].line = 4+irq_base;
- node->child->intrs[2].line = 5+irq_base;
- printk(KERN_INFO "irq: fixed SCC on second controller (%d,%d,%d)\n",
- node->child->intrs[0].line,
- node->child->intrs[1].line,
- node->child->intrs[2].line);
- }
- /* Fix media-bay & left SWIM */
- if (strcasecmp(node->name, "media-bay") == 0) {
- struct device_node* ya_node;
-
- if (node->n_intrs == 0)
- node->intrs = &gatwick_int_pool[count++];
- node->n_intrs = 1;
- node->intrs[0].line = 29+irq_base;
- printk(KERN_INFO "irq: fixed media-bay on second controller (%d)\n",
- node->intrs[0].line);
-
- ya_node = node->child;
- while(ya_node)
- {
- if (strcasecmp(ya_node->name, "floppy") == 0) {
- if (ya_node->n_intrs < 2) {
- ya_node->intrs = &gatwick_int_pool[count];
- count += 2;
- }
- ya_node->n_intrs = 2;
- ya_node->intrs[0].line = 19+irq_base;
- ya_node->intrs[1].line = 1+irq_base;
- printk(KERN_INFO "irq: fixed floppy on second controller (%d,%d)\n",
- ya_node->intrs[0].line, ya_node->intrs[1].line);
- }
- if (strcasecmp(ya_node->name, "ata4") == 0) {
- if (ya_node->n_intrs < 2) {
- ya_node->intrs = &gatwick_int_pool[count];
- count += 2;
- }
- ya_node->n_intrs = 2;
- ya_node->intrs[0].line = 14+irq_base;
- ya_node->intrs[1].line = 3+irq_base;
- printk(KERN_INFO "irq: fixed ide on second controller (%d,%d)\n",
- ya_node->intrs[0].line, ya_node->intrs[1].line);
- }
- ya_node = ya_node->sibling;
- }
- }
- node = node->sibling;
- }
- if (count > 10) {
- printk("WARNING !! Gatwick interrupt pool overflow\n");
- printk(" GATWICK_IRQ_POOL_SIZE = %d\n", GATWICK_IRQ_POOL_SIZE);
- printk(" requested = %d\n", count);
- }
-}
-
-/*
- * The PowerBook 3400/2400/3500 can have a combo ethernet/modem
- * card which includes an ohare chip that acts as a second interrupt
- * controller. If we find this second ohare, set it up and fix the
- * interrupt value in the device tree for the ethernet chip.
- */
-static int __init enable_second_ohare(void)
-{
- unsigned char bus, devfn;
- unsigned short cmd;
- unsigned long addr;
- struct device_node *irqctrler = find_devices("pci106b,7");
- struct device_node *ether;
-
- if (irqctrler == NULL || irqctrler->n_addrs <= 0)
- return -1;
- addr = (unsigned long) ioremap(irqctrler->addrs[0].address, 0x40);
- pmac_irq_hw[1] = (volatile struct pmac_irq_hw *)(addr + 0x20);
- max_irqs = 64;
- if (pci_device_from_OF_node(irqctrler, &bus, &devfn) == 0) {
- struct pci_controller* hose = pci_find_hose_for_OF_device(irqctrler);
- if (!hose)
- printk(KERN_ERR "Can't find PCI hose for OHare2 !\n");
- else {
- early_read_config_word(hose, bus, devfn, PCI_COMMAND, &cmd);
- cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
- cmd &= ~PCI_COMMAND_IO;
- early_write_config_word(hose, bus, devfn, PCI_COMMAND, cmd);
- }
- }
-
- /* Fix interrupt for the modem/ethernet combo controller. The number
- in the device tree (27) is bogus (correct for the ethernet-only
- board but not the combo ethernet/modem board).
- The real interrupt is 28 on the second controller -> 28+32 = 60.
- */
- ether = find_devices("pci1011,14");
- if (ether && ether->n_intrs > 0) {
- ether->intrs[0].line = 60;
- printk(KERN_INFO "irq: Fixed ethernet IRQ to %d\n",
- ether->intrs[0].line);
- }
-
- /* Return the interrupt number of the cascade */
- return irqctrler->intrs[0].line;
-}
-
-#ifdef CONFIG_POWER4
-static irqreturn_t k2u3_action(int cpl, void *dev_id, struct pt_regs *regs)
-{
- int irq;
-
- irq = openpic2_get_irq(regs);
- if (irq != -1)
- __do_IRQ(irq, regs);
- return IRQ_HANDLED;
-}
-
-static struct irqaction k2u3_cascade_action = {
- .handler = k2u3_action,
- .flags = 0,
- .mask = CPU_MASK_NONE,
- .name = "U3->K2 Cascade",
-};
-#endif /* CONFIG_POWER4 */
-
-#ifdef CONFIG_XMON
-static struct irqaction xmon_action = {
- .handler = xmon_irq,
- .flags = 0,
- .mask = CPU_MASK_NONE,
- .name = "NMI - XMON"
-};
-#endif
-
-static struct irqaction gatwick_cascade_action = {
- .handler = gatwick_action,
- .flags = SA_INTERRUPT,
- .mask = CPU_MASK_NONE,
- .name = "cascade",
-};
-
-void __init pmac_pic_init(void)
-{
- int i;
- struct device_node *irqctrler = NULL;
- struct device_node *irqctrler2 = NULL;
- struct device_node *np;
- unsigned long addr;
- int irq_cascade = -1;
-
- /* We first try to detect Apple's new Core99 chipset, since mac-io
- * is quite different on those machines and contains an IBM MPIC2.
- */
- np = find_type_devices("open-pic");
- while(np) {
- if (np->parent && !strcmp(np->parent->name, "u3"))
- irqctrler2 = np;
- else
- irqctrler = np;
- np = np->next;
- }
- if (irqctrler != NULL)
- {
- if (irqctrler->n_addrs > 0)
- {
- unsigned char senses[128];
-
- printk(KERN_INFO "PowerMac using OpenPIC irq controller at 0x%08x\n",
- irqctrler->addrs[0].address);
-
- prom_get_irq_senses(senses, 0, 128);
- OpenPIC_InitSenses = senses;
- OpenPIC_NumInitSenses = 128;
- ppc_md.get_irq = openpic_get_irq;
- pmac_call_feature(PMAC_FTR_ENABLE_MPIC, irqctrler, 0, 0);
- OpenPIC_Addr = ioremap(irqctrler->addrs[0].address,
- irqctrler->addrs[0].size);
- openpic_init(0);
-
-#ifdef CONFIG_POWER4
- if (irqctrler2 != NULL && irqctrler2->n_intrs > 0 &&
- irqctrler2->n_addrs > 0) {
- printk(KERN_INFO "Slave OpenPIC at 0x%08x hooked on IRQ %d\n",
- irqctrler2->addrs[0].address,
- irqctrler2->intrs[0].line);
- pmac_call_feature(PMAC_FTR_ENABLE_MPIC, irqctrler2, 0, 0);
- OpenPIC2_Addr = ioremap(irqctrler2->addrs[0].address,
- irqctrler2->addrs[0].size);
- prom_get_irq_senses(senses, PMAC_OPENPIC2_OFFSET,
- PMAC_OPENPIC2_OFFSET+128);
- OpenPIC_InitSenses = senses;
- OpenPIC_NumInitSenses = 128;
- openpic2_init(PMAC_OPENPIC2_OFFSET);
-
- if (setup_irq(irqctrler2->intrs[0].line,
- &k2u3_cascade_action))
- printk("Unable to get OpenPIC IRQ for cascade\n");
- }
-#endif /* CONFIG_POWER4 */
-
-#ifdef CONFIG_XMON
- {
- struct device_node* pswitch;
- int nmi_irq;
-
- pswitch = find_devices("programmer-switch");
- if (pswitch && pswitch->n_intrs) {
- nmi_irq = pswitch->intrs[0].line;
- openpic_init_nmi_irq(nmi_irq);
- setup_irq(nmi_irq, &xmon_action);
- }
- }
-#endif /* CONFIG_XMON */
- return;
- }
- irqctrler = NULL;
- }
-
- /* Get the level/edge settings, assume if it's not
- * a Grand Central nor an OHare, then it's an Heathrow
- * (or Paddington).
- */
- if (find_devices("gc"))
- level_mask[0] = GC_LEVEL_MASK;
- else if (find_devices("ohare")) {
- level_mask[0] = OHARE_LEVEL_MASK;
- /* We might have a second cascaded ohare */
- level_mask[1] = OHARE_LEVEL_MASK;
- } else {
- level_mask[0] = HEATHROW_LEVEL_MASK;
- level_mask[1] = 0;
- /* We might have a second cascaded heathrow */
- level_mask[2] = HEATHROW_LEVEL_MASK;
- level_mask[3] = 0;
- }
-
- /*
- * G3 powermacs and 1999 G3 PowerBooks have 64 interrupts,
- * 1998 G3 Series PowerBooks have 128,
- * other powermacs have 32.
- * The combo ethernet/modem card for the Powerstar powerbooks
- * (2400/3400/3500, ohare based) has a second ohare chip
- * effectively making a total of 64.
- */
- max_irqs = max_real_irqs = 32;
- irqctrler = find_devices("mac-io");
- if (irqctrler)
- {
- max_real_irqs = 64;
- if (irqctrler->next)
- max_irqs = 128;
- else
- max_irqs = 64;
- }
- for ( i = 0; i < max_real_irqs ; i++ )
- irq_desc[i].handler = &pmac_pic;
-
- /* get addresses of first controller */
- if (irqctrler) {
- if (irqctrler->n_addrs > 0) {
- addr = (unsigned long)
- ioremap(irqctrler->addrs[0].address, 0x40);
- for (i = 0; i < 2; ++i)
- pmac_irq_hw[i] = (volatile struct pmac_irq_hw*)
- (addr + (2 - i) * 0x10);
- }
-
- /* get addresses of second controller */
- irqctrler = irqctrler->next;
- if (irqctrler && irqctrler->n_addrs > 0) {
- addr = (unsigned long)
- ioremap(irqctrler->addrs[0].address, 0x40);
- for (i = 2; i < 4; ++i)
- pmac_irq_hw[i] = (volatile struct pmac_irq_hw*)
- (addr + (4 - i) * 0x10);
- irq_cascade = irqctrler->intrs[0].line;
- if (device_is_compatible(irqctrler, "gatwick"))
- pmac_fix_gatwick_interrupts(irqctrler, max_real_irqs);
- }
- } else {
- /* older powermacs have a GC (grand central) or ohare at
- f3000000, with interrupt control registers at f3000020. */
- addr = (unsigned long) ioremap(0xf3000000, 0x40);
- pmac_irq_hw[0] = (volatile struct pmac_irq_hw *) (addr + 0x20);
- }
-
- /* PowerBooks 3400 and 3500 can have a second controller in a second
- ohare chip, on the combo ethernet/modem card */
- if (machine_is_compatible("AAPL,3400/2400")
- || machine_is_compatible("AAPL,3500"))
- irq_cascade = enable_second_ohare();
-
- /* disable all interrupts in all controllers */
- for (i = 0; i * 32 < max_irqs; ++i)
- out_le32(&pmac_irq_hw[i]->enable, 0);
- /* mark level interrupts */
- for (i = 0; i < max_irqs; i++)
- if (level_mask[i >> 5] & (1UL << (i & 0x1f)))
- irq_desc[i].status = IRQ_LEVEL;
-
- /* get interrupt line of secondary interrupt controller */
- if (irq_cascade >= 0) {
- printk(KERN_INFO "irq: secondary controller on irq %d\n",
- (int)irq_cascade);
- for ( i = max_real_irqs ; i < max_irqs ; i++ )
- irq_desc[i].handler = &gatwick_pic;
- setup_irq(irq_cascade, &gatwick_cascade_action);
- }
- printk("System has %d possible interrupts\n", max_irqs);
- if (max_irqs != max_real_irqs)
- printk(KERN_DEBUG "%d interrupts on main controller\n",
- max_real_irqs);
-
-#ifdef CONFIG_XMON
- setup_irq(20, &xmon_action);
-#endif /* CONFIG_XMON */
-}
-
-#ifdef CONFIG_PM
-/*
- * These procedures are used in implementing sleep on the powerbooks.
- * sleep_save_intrs() saves the states of all interrupt enables
- * and disables all interrupts except for the nominated one.
- * sleep_restore_intrs() restores the states of all interrupt enables.
- */
-unsigned long sleep_save_mask[2];
-
-/* This used to be passed by the PMU driver but that link got
- * broken with the new driver model. We use this tweak for now...
- */
-static int pmacpic_find_viaint(void)
-{
- int viaint = -1;
-
-#ifdef CONFIG_ADB_PMU
- struct device_node *np;
-
- if (pmu_get_model() != PMU_OHARE_BASED)
- goto not_found;
- np = of_find_node_by_name(NULL, "via-pmu");
- if (np == NULL)
- goto not_found;
- viaint = np->intrs[0].line;
-#endif /* CONFIG_ADB_PMU */
-
-not_found:
- return viaint;
-}
-
-static int pmacpic_suspend(struct sys_device *sysdev, pm_message_t state)
-{
- int viaint = pmacpic_find_viaint();
-
- sleep_save_mask[0] = ppc_cached_irq_mask[0];
- sleep_save_mask[1] = ppc_cached_irq_mask[1];
- ppc_cached_irq_mask[0] = 0;
- ppc_cached_irq_mask[1] = 0;
- if (viaint > 0)
- set_bit(viaint, ppc_cached_irq_mask);
- out_le32(&pmac_irq_hw[0]->enable, ppc_cached_irq_mask[0]);
- if (max_real_irqs > 32)
- out_le32(&pmac_irq_hw[1]->enable, ppc_cached_irq_mask[1]);
- (void)in_le32(&pmac_irq_hw[0]->event);
- /* make sure mask gets to controller before we return to caller */
- mb();
- (void)in_le32(&pmac_irq_hw[0]->enable);
-
- return 0;
-}
-
-static int pmacpic_resume(struct sys_device *sysdev)
-{
- int i;
-
- out_le32(&pmac_irq_hw[0]->enable, 0);
- if (max_real_irqs > 32)
- out_le32(&pmac_irq_hw[1]->enable, 0);
- mb();
- for (i = 0; i < max_real_irqs; ++i)
- if (test_bit(i, sleep_save_mask))
- pmac_unmask_irq(i);
-
- return 0;
-}
-
-#endif /* CONFIG_PM */
-
-static struct sysdev_class pmacpic_sysclass = {
- set_kset_name("pmac_pic"),
-};
-
-static struct sys_device device_pmacpic = {
- .id = 0,
- .cls = &pmacpic_sysclass,
-};
-
-static struct sysdev_driver driver_pmacpic = {
-#ifdef CONFIG_PM
- .suspend = &pmacpic_suspend,
- .resume = &pmacpic_resume,
-#endif /* CONFIG_PM */
-};
-
-static int __init init_pmacpic_sysfs(void)
-{
- if (max_irqs == 0)
- return -ENODEV;
-
- printk(KERN_DEBUG "Registering pmac pic with sysfs...\n");
- sysdev_class_register(&pmacpic_sysclass);
- sysdev_register(&device_pmacpic);
- sysdev_driver_register(&pmacpic_sysclass, &driver_pmacpic);
- return 0;
-}
-
-subsys_initcall(init_pmacpic_sysfs);
-