6 files changed, 48 insertions, 11 deletions

diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index b492857fe721..9e6c23c360b2 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -63,7 +63,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20060623
+#define ACPI_CA_VERSION                 0x20060707
 
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,
diff --git a/include/acpi/acinterp.h b/include/acpi/acinterp.h
index 216339a8f1f6..91586d0d5bb5 100644
--- a/include/acpi/acinterp.h
+++ b/include/acpi/acinterp.h
@@ -53,10 +53,14 @@
 #define ACPI_EXD_TABLE_SIZE(name)   (sizeof(name) / sizeof (struct acpi_exdump_info))
 
 /*
- * If possible, pack the following structure to byte alignment, since we
- * don't care about performance for debug output
+ * If possible, pack the following structures to byte alignment, since we
+ * don't care about performance for debug output. Two cases where we cannot
+ * pack the structures:
+ *
+ * 1) Hardware does not support misaligned memory transfers
+ * 2) Compiler does not support pointers within packed structures
  */
-#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
+#if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
 #pragma pack(1)
 #endif
 
diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index 56b802486161..a4d0e73d5aca 100644
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -127,7 +127,7 @@ typedef u8 acpi_owner_id;
 
 /* This Thread ID means that the mutex is not in use (unlocked) */
 
-#define ACPI_MUTEX_NOT_ACQUIRED         (u32) -1
+#define ACPI_MUTEX_NOT_ACQUIRED         (acpi_thread_id) 0
 
 /* Table for the global mutexes */
 
@@ -204,7 +204,7 @@ struct acpi_namespace_node {
 /* Namespace Node flags */
 
 #define ANOBJ_END_OF_PEER_LIST          0x01    /* End-of-list, Peer field points to parent */
-#define ANOBJ_DATA_WIDTH_32             0x02    /* Parent table uses 32-bit math */
+#define ANOBJ_RESERVED                  0x02    /* Available for future use */
 #define ANOBJ_METHOD_ARG                0x04    /* Node is a method argument */
 #define ANOBJ_METHOD_LOCAL              0x08    /* Node is a method local */
 #define ANOBJ_SUBTREE_HAS_INI           0x10    /* Used to optimize device initialization */
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index f1ac6109556e..192fa095a515 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -724,9 +724,15 @@
 
 /* Memory allocation */
 
+#ifndef ACPI_ALLOCATE
 #define ACPI_ALLOCATE(a)            acpi_ut_allocate((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
+#endif
+#ifndef ACPI_ALLOCATE_ZEROED
 #define ACPI_ALLOCATE_ZEROED(a)     acpi_ut_allocate_zeroed((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
-#define ACPI_FREE(a)                kfree(a)
+#endif
+#ifndef ACPI_FREE
+#define ACPI_FREE(a)                acpio_os_free(a)
+#endif
 #define ACPI_MEM_TRACKING(a)
 
 #else
diff --git a/include/acpi/acresrc.h b/include/acpi/acresrc.h
index ad11fc13fbef..80a3b33571b4 100644
--- a/include/acpi/acresrc.h
+++ b/include/acpi/acresrc.h
@@ -50,9 +50,13 @@
 
 /*
  * If possible, pack the following structures to byte alignment, since we
- * don't care about performance for debug output
+ * don't care about performance for debug output. Two cases where we cannot
+ * pack the structures:
+ *
+ * 1) Hardware does not support misaligned memory transfers
+ * 2) Compiler does not support pointers within packed structures
  */
-#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
+#if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
 #pragma pack(1)
 #endif
 
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 3f853cabbd41..47faf27913a5 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -59,6 +59,7 @@
 #include <asm/acpi.h>
 #include <linux/slab.h>
 #include <linux/spinlock_types.h>
+#include <asm/current.h>
 
 /* Host-dependent types and defines */
 
@@ -100,8 +101,30 @@
 
 #define acpi_cpu_flags unsigned long
 
-#define acpi_thread_id u32
+#define acpi_thread_id struct task_struct *
 
-static inline acpi_thread_id acpi_os_get_thread_id(void) { return 0; }
+static inline acpi_thread_id acpi_os_get_thread_id(void) { return current; }
+
+/*
+ * The irqs_disabled() check is for resume from RAM.
+ * Interrupts are off during resume, just like they are for boot.
+ * However, boot has  (system_state != SYSTEM_RUNNING)
+ * to quiet __might_sleep() in kmalloc() and resume does not.
+ */
+#include <acpi/actypes.h>
+static inline void *acpi_os_allocate(acpi_size size) {
+        return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
+}
+static inline void *acpi_os_allocate_zeroed(acpi_size size) {
+        return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
+}
+
+static inline void *acpi_os_acquire_object(acpi_cache_t * cache) {
+        return kmem_cache_zalloc(cache, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
+}
+
+#define ACPI_ALLOCATE(a)        acpi_os_allocate(a)
+#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a)
+#define ACPI_FREE(a)            kfree(a)
 
 #endif                          /* __ACLINUX_H__ */