Merge branch 'acpica'

* acpica:
  ACPICA: Mark acpi_ut_create_internal_object_dbg() memory allocations as non-leaks
  ACPICA: Update version to 20180508
  ACPICA: acpidump/acpixtract: Support for tables larger than 1MB
  ACPICA: Update version to 20180427
  ACPICA: Debugger: Removed direct support for EC address space in "Test Objects"
  ACPICA: Debugger: Add Package support for "test objects" command
  ACPICA: Improve error messages for the namespace root node
  ACPICA: Fix potential infinite loop in acpi_rs_dump_byte_list
  ACPICA: vsnprintf: this statement may fall through
  ACPICA: Tables: Fix spelling mistake in comment
  ACPICA: iASL: Enhance the -tc option (create AML hex file in C)
  ACPICA: Convert acpi_gbl_hardware lock back to an acpi_raw_spinlock
  ACPICA: provide abstraction for raw_spinlock_t

6 files changed, 66 insertions, 3 deletions

diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h
index 7b289dd00a30..6f69a4f638f8 100644
--- a/include/acpi/acnames.h
+++ b/include/acpi/acnames.h
@@ -49,11 +49,14 @@
 /* Definitions of the predefined namespace names  */
 
 #define ACPI_UNKNOWN_NAME       (u32) 0x3F3F3F3F	/* Unknown name is "????" */
-#define ACPI_ROOT_NAME          (u32) 0x5F5F5F5C	/* Root name is    "\___" */
-
 #define ACPI_PREFIX_MIXED       (u32) 0x69706341	/* "Acpi" */
 #define ACPI_PREFIX_LOWER       (u32) 0x69706361	/* "acpi" */
 
+/* Root name stuff */
+
+#define ACPI_ROOT_NAME          (u32) 0x5F5F5F5C	/* Root name is    "\___" */
+#define ACPI_ROOT_PATHNAME      "\\___"
+#define ACPI_NAMESPACE_ROOT     "Namespace Root"
 #define ACPI_NS_ROOT_PATH       "\\"
 
 #endif				/* __ACNAMES_H__  */
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index 540d35f06ad6..eb1f21af7556 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -98,6 +98,27 @@ void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);
 #endif
 
 /*
+ * RAW spinlock primitives. If the OS does not provide them, fallback to
+ * spinlock primitives
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_raw_lock
+# define acpi_os_create_raw_lock(out_handle)	acpi_os_create_lock(out_handle)
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_raw_lock
+# define acpi_os_delete_raw_lock(handle)	acpi_os_delete_lock(handle)
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_raw_lock
+# define acpi_os_acquire_raw_lock(handle)	acpi_os_acquire_lock(handle)
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_raw_lock
+# define acpi_os_release_raw_lock(handle, flags)	\
+	acpi_os_release_lock(handle, flags)
+#endif
+
+/*
  * Semaphore primitives
  */
 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_semaphore
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index da0215ea9f44..e8c9199bf98f 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -12,7 +12,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20180313
+#define ACPI_CA_VERSION                 0x20180508
 
 #include <acpi/acconfig.h>
 #include <acpi/actypes.h>
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 1c530f95dc34..2b1bafa197c0 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -245,6 +245,10 @@ typedef u64 acpi_physical_address;
 #define acpi_spinlock                   void *
 #endif
 
+#ifndef acpi_raw_spinlock
+#define acpi_raw_spinlock		acpi_spinlock
+#endif
+
 #ifndef acpi_semaphore
 #define acpi_semaphore                  void *
 #endif
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index a0b232703302..7451b3bca83a 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -102,6 +102,7 @@
 
 #define acpi_cache_t                        struct kmem_cache
 #define acpi_spinlock                       spinlock_t *
+#define acpi_raw_spinlock                   raw_spinlock_t *
 #define acpi_cpu_flags                      unsigned long
 
 /* Use native linux version of acpi_os_allocate_zeroed */
@@ -119,6 +120,10 @@
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
+#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_raw_lock
+#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_raw_lock
+#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_raw_lock
+#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_raw_lock
 
 /*
  * OSL interfaces used by debugger/disassembler
diff --git a/include/acpi/platform/aclinuxex.h b/include/acpi/platform/aclinuxex.h
index 7e81475fe034..d754a1b12721 100644
--- a/include/acpi/platform/aclinuxex.h
+++ b/include/acpi/platform/aclinuxex.h
@@ -90,6 +90,36 @@ static inline acpi_thread_id acpi_os_get_thread_id(void)
 		lock ? AE_OK : AE_NO_MEMORY; \
 	})
 
+
+#define acpi_os_create_raw_lock(__handle) \
+	({ \
+		raw_spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \
+		if (lock) { \
+			*(__handle) = lock; \
+			raw_spin_lock_init(*(__handle)); \
+		} \
+		lock ? AE_OK : AE_NO_MEMORY; \
+	})
+
+static inline acpi_cpu_flags acpi_os_acquire_raw_lock(acpi_raw_spinlock lockp)
+{
+	acpi_cpu_flags flags;
+
+	raw_spin_lock_irqsave(lockp, flags);
+	return flags;
+}
+
+static inline void acpi_os_release_raw_lock(acpi_raw_spinlock lockp,
+					    acpi_cpu_flags flags)
+{
+	raw_spin_unlock_irqrestore(lockp, flags);
+}
+
+static inline void acpi_os_delete_raw_lock(acpi_raw_spinlock handle)
+{
+	ACPI_FREE(handle);
+}
+
 static inline u8 acpi_os_readable(void *pointer, acpi_size length)
 {
 	return TRUE;