diff --git a/drivers/include/acpi/platform/acenv.h b/drivers/include/acpi/platform/acenv.h
index 056f245ad0..952ddbc836 100644
--- a/drivers/include/acpi/platform/acenv.h
+++ b/drivers/include/acpi/platform/acenv.h
@@ -246,7 +246,7 @@
 
 /* Type of mutex supported by host. Default is binary semaphores. */
 #ifndef ACPI_MUTEX_TYPE
-#define ACPI_MUTEX_TYPE             ACPI_BINARY_SEMAPHORE
+#define ACPI_MUTEX_TYPE             ACPI_OSL_MUTEX
 #endif
 
 /* Global Lock acquire/release */
diff --git a/drivers/include/acpi/platform/aclinux.h b/drivers/include/acpi/platform/aclinux.h
index 323e5daece..cefff89cc6 100644
--- a/drivers/include/acpi/platform/aclinux.h
+++ b/drivers/include/acpi/platform/aclinux.h
@@ -125,7 +125,7 @@
 #define ACPI_EXPORT_SYMBOL(symbol)  EXPORT_SYMBOL(symbol);
 #define strtoul                     simple_strtoul
 
-#define acpi_cache_t                        struct kmem_cache
+//#define acpi_cache_t                        struct kmem_cache
 #define acpi_spinlock                       spinlock_t *
 #define acpi_cpu_flags                      unsigned long
 
diff --git a/drivers/include/acpi/platform/aclinuxex.h b/drivers/include/acpi/platform/aclinuxex.h
index 509e7ca020..95fc6f2926 100644
--- a/drivers/include/acpi/platform/aclinuxex.h
+++ b/drivers/include/acpi/platform/aclinuxex.h
@@ -96,9 +96,13 @@ static inline void acpi_os_free(void *memory)
 	kfree(memory);
 }
 
+void *acpi_os_acquire_object(acpi_cache_t * cache);
+
+u32  __attribute__ ((dllimport))  GetPid(void)__asm__("GetPid");
+
 static inline acpi_thread_id acpi_os_get_thread_id(void)
 {
-    return (acpi_thread_id) (unsigned long)-1;
+    return (acpi_thread_id) (unsigned long)GetPid();
 }
 
 /*