[PATCH] powerpc: Add/remove/update properties in firmware device tree

[powerpc.git] / arch / powerpc / kernel / irq.c

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 4b79406..5651032 100644 (file)
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -31,7 +31,6 @@
  * to reduce code space and undefined function references.
  */
 
-#include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/threads.h>
 #include <linux/kernel_stat.h>
@@ -44,18 +43,12 @@
 #include <linux/config.h>
 #include <linux/init.h>
 #include <linux/slab.h>
-#include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/irq.h>
-#include <linux/proc_fs.h>
-#include <linux/random.h>
 #include <linux/seq_file.h>
 #include <linux/cpumask.h>
 #include <linux/profile.h>
 #include <linux/bitops.h>
-#ifdef CONFIG_PPC64
-#include <linux/kallsyms.h>
-#endif
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -66,17 +59,17 @@
 #include <asm/prom.h>
 #include <asm/ptrace.h>
 #include <asm/machdep.h>
-#ifdef CONFIG_PPC64
-#include <asm/iseries/it_lp_queue.h>
+#ifdef CONFIG_PPC_ISERIES
 #include <asm/paca.h>
 #endif
 
-static int ppc_spurious_interrupts;
-
-#if defined(CONFIG_PPC_ISERIES) && defined(CONFIG_SMP)
-extern void iSeries_smp_message_recv(struct pt_regs *);
+int __irq_offset_value;
+#ifdef CONFIG_PPC32
+EXPORT_SYMBOL(__irq_offset_value);
 #endif
 
+static int ppc_spurious_interrupts;
+
 #ifdef CONFIG_PPC32
 #define NR_MASK_WORDS  ((NR_IRQS + 31) / 32)
 
@@ -98,7 +91,6 @@ extern atomic_t ipi_sent;
 EXPORT_SYMBOL(irq_desc);
 
 int distribute_irqs = 1;
-int __irq_offset_value;
 u64 ppc64_interrupt_controller;
 #endif /* CONFIG_PPC64 */
 
@@ -191,49 +183,6 @@ void fixup_irqs(cpumask_t map)
 }
 #endif
 
-#ifdef CONFIG_PPC_ISERIES
-void do_IRQ(struct pt_regs *regs)
-{
-       struct paca_struct *lpaca;
-
-       irq_enter();
-
-#ifdef CONFIG_DEBUG_STACKOVERFLOW
-       /* Debugging check for stack overflow: is there less than 2KB free? */
-       {
-               long sp;
-
-               sp = __get_SP() & (THREAD_SIZE-1);
-
-               if (unlikely(sp < (sizeof(struct thread_info) + 2048))) {
-                       printk("do_IRQ: stack overflow: %ld\n",
-                               sp - sizeof(struct thread_info));
-                       dump_stack();
-               }
-       }
-#endif
-
-       lpaca = get_paca();
-#ifdef CONFIG_SMP
-       if (lpaca->lppaca.int_dword.fields.ipi_cnt) {
-               lpaca->lppaca.int_dword.fields.ipi_cnt = 0;
-               iSeries_smp_message_recv(regs);
-       }
-#endif /* CONFIG_SMP */
-       if (hvlpevent_is_pending())
-               process_hvlpevents(regs);
-
-       irq_exit();
-
-       if (lpaca->lppaca.int_dword.fields.decr_int) {
-               lpaca->lppaca.int_dword.fields.decr_int = 0;
-               /* Signal a fake decrementer interrupt */
-               timer_interrupt(regs);
-       }
-}
-
-#else  /* CONFIG_PPC_ISERIES */
-
 void do_IRQ(struct pt_regs *regs)
 {
        int irq;
@@ -282,16 +231,24 @@ void do_IRQ(struct pt_regs *regs)
                } else
 #endif
                        __do_IRQ(irq, regs);
-       } else
-#ifdef CONFIG_PPC32
-               if (irq != -2)
-#endif
-                       /* That's not SMP safe ... but who cares ? */
-                       ppc_spurious_interrupts++;
+       } else if (irq != -2)
+               /* That's not SMP safe ... but who cares ? */
+               ppc_spurious_interrupts++;
+
         irq_exit();
-}
 
-#endif /* CONFIG_PPC_ISERIES */
+#ifdef CONFIG_PPC_ISERIES
+       {
+               struct paca_struct *lpaca = get_paca();
+
+               if (lpaca->lppaca.int_dword.fields.decr_int) {
+                       lpaca->lppaca.int_dword.fields.decr_int = 0;
+                       /* Signal a fake decrementer interrupt */
+                       timer_interrupt(regs);
+               }
+       }
+#endif
+}
 
 void __init init_IRQ(void)
 {
@@ -311,7 +268,6 @@ void __init init_IRQ(void)
 }
 
 #ifdef CONFIG_PPC64
-#ifndef CONFIG_PPC_ISERIES
 /*
  * Virtual IRQ mapping code, used on systems with XICS interrupt controllers.
  */
@@ -420,8 +376,6 @@ unsigned int real_irq_to_virt_slowpath(unsigned int real_irq)
 
 }
 
-#endif /* CONFIG_PPC_ISERIES */
-
 #ifdef CONFIG_IRQSTACKS
 struct thread_info *softirq_ctx[NR_CPUS];
 struct thread_info *hardirq_ctx[NR_CPUS];