Merge branch 'next' into for-linus

Prepare first round of input updates for 3.17.

4 files changed, 255 insertions, 140 deletions

diff --git a/include/acpi/platform/acenvex.h b/include/acpi/platform/acenvex.h
new file mode 100644
index 000000000000..2b612384c994
--- /dev/null
+++ b/include/acpi/platform/acenvex.h
@@ -0,0 +1,63 @@
+/******************************************************************************
+ *
+ * Name: acenvex.h - Extra host and compiler configuration
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACENVEX_H__
+#define __ACENVEX_H__
+
+/*! [Begin] no source code translation */
+
+/******************************************************************************
+ *
+ * Extra host configuration files. All ACPICA headers are included before
+ * including these files.
+ *
+ *****************************************************************************/
+
+#if defined(_LINUX) || defined(__linux__)
+#include <acpi/platform/aclinuxex.h>
+
+#endif
+
+/*! [End] no source code translation !*/
+
+#endif                          /* __ACENVEX_H__ */
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index a476b9118b49..384875da3713 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -64,4 +64,15 @@
  */
 #define ACPI_UNUSED_VAR __attribute__ ((unused))
 
+/*
+ * Some versions of gcc implement strchr() with a buggy macro. So,
+ * undef it here. Prevents error messages of this form (usually from the
+ * file getopt.c):
+ *
+ * error: logical '&&' with non-zero constant will always evaluate as true
+ */
+#ifdef strchr
+#undef strchr
+#endif
+
 #endif                          /* __ACGCC_H__ */
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 93c55ed7c53d..cd1f052d55bb 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -48,7 +48,6 @@
 
 #define ACPI_USE_SYSTEM_CLIBRARY
 #define ACPI_USE_DO_WHILE_0
-#define ACPI_MUTEX_TYPE             ACPI_BINARY_SEMAPHORE
 
 #ifdef __KERNEL__
 
@@ -71,169 +70,65 @@
 #ifdef EXPORT_ACPI_INTERFACES
 #include <linux/export.h>
 #endif
-#include <asm/acpi.h>
+#include <asm/acenv.h>
 
-/* Host-dependent types and defines for in-kernel ACPICA */
+#ifndef CONFIG_ACPI
 
-#define ACPI_MACHINE_WIDTH          BITS_PER_LONG
-#define ACPI_EXPORT_SYMBOL(symbol)  EXPORT_SYMBOL(symbol);
-#define strtoul                     simple_strtoul
+/* External globals for __KERNEL__, stubs is needed */
 
-#define acpi_cache_t                        struct kmem_cache
-#define acpi_spinlock                       spinlock_t *
-#define acpi_cpu_flags                      unsigned long
+#define ACPI_GLOBAL(t,a)
+#define ACPI_INIT_GLOBAL(t,a,b)
 
-#else                           /* !__KERNEL__ */
+/* Generating stubs for configurable ACPICA macros */
 
-#include <stdarg.h>
-#include <string.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <unistd.h>
+#define ACPI_NO_MEM_ALLOCATIONS
 
-/* Disable kernel specific declarators */
+/* Generating stubs for configurable ACPICA functions */
 
-#ifndef __init
-#define __init
-#endif
-
-#ifndef __iomem
-#define __iomem
-#endif
+#define ACPI_NO_ERROR_MESSAGES
+#undef ACPI_DEBUG_OUTPUT
 
-/* Host-dependent types and defines for user-space ACPICA */
-
-#define ACPI_FLUSH_CPU_CACHE()
-#define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
+/* External interface for __KERNEL__, stub is needed */
 
-#if defined(__ia64__) || defined(__x86_64__) || defined(__aarch64__)
-#define ACPI_MACHINE_WIDTH          64
-#define COMPILER_DEPENDENT_INT64    long
-#define COMPILER_DEPENDENT_UINT64   unsigned long
-#else
-#define ACPI_MACHINE_WIDTH          32
-#define COMPILER_DEPENDENT_INT64    long long
-#define COMPILER_DEPENDENT_UINT64   unsigned long long
-#define ACPI_USE_NATIVE_DIVIDE
-#endif
+#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
+        static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
+#define ACPI_EXTERNAL_RETURN_OK(prototype) \
+        static ACPI_INLINE prototype {return(AE_OK);}
+#define ACPI_EXTERNAL_RETURN_VOID(prototype) \
+        static ACPI_INLINE prototype {return;}
+#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
+        static ACPI_INLINE prototype {return(0);}
+#define ACPI_EXTERNAL_RETURN_PTR(prototype) \
+        static ACPI_INLINE prototype {return(NULL);}
 
-#ifndef __cdecl
-#define __cdecl
-#endif
+#endif                          /* CONFIG_ACPI */
 
-#endif                          /* __KERNEL__ */
+/* Host-dependent types and defines for in-kernel ACPICA */
 
-/* Linux uses GCC */
+#define ACPI_MACHINE_WIDTH          BITS_PER_LONG
+#define ACPI_EXPORT_SYMBOL(symbol)  EXPORT_SYMBOL(symbol);
+#define strtoul                     simple_strtoul
 
-#include <acpi/platform/acgcc.h>
+#define acpi_cache_t                        struct kmem_cache
+#define acpi_spinlock                       spinlock_t *
+#define acpi_cpu_flags                      unsigned long
 
-#ifdef __KERNEL__
+/* Use native linux version of acpi_os_allocate_zeroed */
 
-/*
- * FIXME: Inclusion of actypes.h
- * Linux kernel need this before defining inline OSL interfaces as
- * actypes.h need to be included to find ACPICA type definitions.
- * Since from ACPICA's perspective, the actypes.h should be included after
- * acenv.h (aclinux.h), this leads to a inclusion mis-ordering issue.
- */
-#include <acpi/actypes.h>
+#define USE_NATIVE_ALLOCATE_ZEROED
 
 /*
  * Overrides for in-kernel ACPICA
  */
-acpi_status __init acpi_os_initialize(void);
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
-
-acpi_status acpi_os_terminate(void);
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
-
-/*
- * Memory allocation/deallocation
- */
-
-/*
- * 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.
- */
-static inline void *acpi_os_allocate(acpi_size size)
-{
-        return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
-}
-
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
-
-/* Use native linux version of acpi_os_allocate_zeroed */
-
-static inline void *acpi_os_allocate_zeroed(acpi_size size)
-{
-        return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
-}
-
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
-#define USE_NATIVE_ALLOCATE_ZEROED
-
-static inline void acpi_os_free(void *memory)
-{
-        kfree(memory);
-}
-
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
-
-static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
-{
-        return kmem_cache_zalloc(cache,
-                                 irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
-}
-
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
-
-static inline acpi_thread_id acpi_os_get_thread_id(void)
-{
-        return (acpi_thread_id) (unsigned long)current;
-}
-
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
-
-#ifndef CONFIG_PREEMPT
-
-/*
- * Used within ACPICA to show where it is safe to preempt execution
- * when CONFIG_PREEMPT=n
- */
-#define ACPI_PREEMPTION_POINT() \
-        do { \
-                if (!irqs_disabled()) \
-                        cond_resched(); \
-        } while (0)
-
-#endif
-
-/*
- * When lockdep is enabled, the spin_lock_init() macro stringifies it's
- * argument and uses that as a name for the lock in debugging.
- * By executing spin_lock_init() in a macro the key changes from "lock" for
- * all locks to the name of the argument of acpi_os_create_lock(), which
- * prevents lockdep from reporting false positives for ACPICA locks.
- */
-#define acpi_os_create_lock(__handle) \
-        ({ \
-                spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \
-                if (lock) { \
-                        *(__handle) = lock; \
-                        spin_lock_init(*(__handle)); \
-                } \
-                lock ? AE_OK : AE_NO_MEMORY; \
-        })
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
 
-void __iomem *acpi_os_map_memory(acpi_physical_address where, acpi_size length);
-#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory
-
-void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
-#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory
-
 /*
  * OSL interfaces used by debugger/disassembler
  */
@@ -252,11 +147,45 @@ void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
 
-/*
- * OSL interfaces added by Linux
- */
-void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);
+#else                           /* !__KERNEL__ */
+
+#include <stdarg.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <unistd.h>
+
+/* Define/disable kernel-specific declarators */
+
+#ifndef __init
+#define __init
+#endif
+
+/* Host-dependent types and defines for user-space ACPICA */
+
+#define ACPI_FLUSH_CPU_CACHE()
+#define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
+
+#if defined(__ia64__)    || defined(__x86_64__) ||\
+        defined(__aarch64__) || defined(__PPC64__)
+#define ACPI_MACHINE_WIDTH          64
+#define COMPILER_DEPENDENT_INT64    long
+#define COMPILER_DEPENDENT_UINT64   unsigned long
+#else
+#define ACPI_MACHINE_WIDTH          32
+#define COMPILER_DEPENDENT_INT64    long long
+#define COMPILER_DEPENDENT_UINT64   unsigned long long
+#define ACPI_USE_NATIVE_DIVIDE
+#endif
+
+#ifndef __cdecl
+#define __cdecl
+#endif
 
 #endif                          /* __KERNEL__ */
 
+/* Linux uses GCC */
+
+#include <acpi/platform/acgcc.h>
+
 #endif                          /* __ACLINUX_H__ */
diff --git a/include/acpi/platform/aclinuxex.h b/include/acpi/platform/aclinuxex.h
new file mode 100644
index 000000000000..191e741cfa0e
--- /dev/null
+++ b/include/acpi/platform/aclinuxex.h
@@ -0,0 +1,112 @@
+/******************************************************************************
+ *
+ * Name: aclinuxex.h - Extra OS specific defines, etc. for Linux
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACLINUXEX_H__
+#define __ACLINUXEX_H__
+
+#ifdef __KERNEL__
+
+/*
+ * Overrides for in-kernel ACPICA
+ */
+acpi_status __init acpi_os_initialize(void);
+
+acpi_status acpi_os_terminate(void);
+
+/*
+ * 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.
+ */
+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_free(void *memory)
+{
+        kfree(memory);
+}
+
+static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
+{
+        return kmem_cache_zalloc(cache,
+                                 irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
+}
+
+static inline acpi_thread_id acpi_os_get_thread_id(void)
+{
+        return (acpi_thread_id) (unsigned long)current;
+}
+
+/*
+ * When lockdep is enabled, the spin_lock_init() macro stringifies it's
+ * argument and uses that as a name for the lock in debugging.
+ * By executing spin_lock_init() in a macro the key changes from "lock" for
+ * all locks to the name of the argument of acpi_os_create_lock(), which
+ * prevents lockdep from reporting false positives for ACPICA locks.
+ */
+#define acpi_os_create_lock(__handle) \
+        ({ \
+                spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \
+                if (lock) { \
+                        *(__handle) = lock; \
+                        spin_lock_init(*(__handle)); \
+                } \
+                lock ? AE_OK : AE_NO_MEMORY; \
+        })
+
+/*
+ * OSL interfaces added by Linux
+ */
+void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);
+
+#endif                          /* __KERNEL__ */
+
+#endif                          /* __ACLINUXEX_H__ */