3 files changed, 60 insertions, 51 deletions

diff --git a/arch/ia64/include/asm/acenv.h b/arch/ia64/include/asm/acenv.h
new file mode 100644
index 000000000000..3f9eaeec9873
--- /dev/null
+++ b/arch/ia64/include/asm/acenv.h
@@ -0,0 +1,56 @@
+/*
+ * IA64 specific ACPICA environments and implementation
+ *
+ * Copyright (C) 2014, Intel Corporation
+ *   Author: Lv Zheng <lv.zheng@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _ASM_IA64_ACENV_H
+#define _ASM_IA64_ACENV_H
+
+#include <asm/intrinsics.h>
+
+#define COMPILER_DEPENDENT_INT64        long
+#define COMPILER_DEPENDENT_UINT64       unsigned long
+
+/* Asm macros */
+
+#ifdef CONFIG_ACPI
+
+static inline int
+ia64_acpi_acquire_global_lock(unsigned int *lock)
+{
+        unsigned int old, new, val;
+        do {
+                old = *lock;
+                new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1));
+                val = ia64_cmpxchg4_acq(lock, new, old);
+        } while (unlikely (val != old));
+        return (new < 3) ? -1 : 0;
+}
+
+static inline int
+ia64_acpi_release_global_lock(unsigned int *lock)
+{
+        unsigned int old, new, val;
+        do {
+                old = *lock;
+                new = old & ~0x3;
+                val = ia64_cmpxchg4_acq(lock, new, old);
+        } while (unlikely (val != old));
+        return old & 0x1;
+}
+
+#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq)                             \
+        ((Acq) = ia64_acpi_acquire_global_lock(&facs->global_lock))
+
+#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq)                             \
+        ((Acq) = ia64_acpi_release_global_lock(&facs->global_lock))
+
+#endif
+
+#endif /* _ASM_IA64_ACENV_H */
diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
index d651102a4d45..75dc59a793d6 100644
--- a/arch/ia64/include/asm/acpi.h
+++ b/arch/ia64/include/asm/acpi.h
@@ -34,57 +34,8 @@
 #include <linux/numa.h>
 #include <asm/numa.h>
 
-#define COMPILER_DEPENDENT_INT64        long
-#define COMPILER_DEPENDENT_UINT64       unsigned long
-
-/*
- * Calling conventions:
- *
- * ACPI_SYSTEM_XFACE        - Interfaces to host OS (handlers, threads)
- * ACPI_EXTERNAL_XFACE      - External ACPI interfaces
- * ACPI_INTERNAL_XFACE      - Internal ACPI interfaces
- * ACPI_INTERNAL_VAR_XFACE  - Internal variable-parameter list interfaces
- */
-#define ACPI_SYSTEM_XFACE
-#define ACPI_EXTERNAL_XFACE
-#define ACPI_INTERNAL_XFACE
-#define ACPI_INTERNAL_VAR_XFACE
-
-/* Asm macros */
-
-#define ACPI_FLUSH_CPU_CACHE()
-
-static inline int
-ia64_acpi_acquire_global_lock (unsigned int *lock)
-{
-        unsigned int old, new, val;
-        do {
-                old = *lock;
-                new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1));
-                val = ia64_cmpxchg4_acq(lock, new, old);
-        } while (unlikely (val != old));
-        return (new < 3) ? -1 : 0;
-}
-
-static inline int
-ia64_acpi_release_global_lock (unsigned int *lock)
-{
-        unsigned int old, new, val;
-        do {
-                old = *lock;
-                new = old & ~0x3;
-                val = ia64_cmpxchg4_acq(lock, new, old);
-        } while (unlikely (val != old));
-        return old & 0x1;
-}
-
-#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq)                             \
-        ((Acq) = ia64_acpi_acquire_global_lock(&facs->global_lock))
-
-#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq)                             \
-        ((Acq) = ia64_acpi_release_global_lock(&facs->global_lock))
-
 #ifdef  CONFIG_ACPI
+extern int acpi_lapic;
 #define acpi_disabled 0 /* ACPI always enabled on IA64 */
 #define acpi_noirq 0    /* ACPI always enabled on IA64 */
 #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */
@@ -92,7 +43,6 @@ ia64_acpi_release_global_lock (unsigned int *lock)
 #endif
 #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
 static inline void disable_acpi(void) { }
-static inline void pci_acpi_crs_quirks(void) { }
 
 #ifdef CONFIG_IA64_GENERIC
 const char *acpi_get_sysname (void);
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 0d407b300762..615ef81def49 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -56,6 +56,7 @@
 
 #define PREFIX                  "ACPI: "
 
+int acpi_lapic;
 unsigned int acpi_cpei_override;
 unsigned int acpi_cpei_phys_cpuid;
 
@@ -676,6 +677,8 @@ int __init early_acpi_boot_init(void)
         if (ret < 1)
                 printk(KERN_ERR PREFIX
                        "Error parsing MADT - no LAPIC entries\n");
+        else
+                acpi_lapic = 1;
 
 #ifdef CONFIG_SMP
         if (available_cpus == 0) {