7 files changed, 37 insertions, 20 deletions
diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
index 8f6b2654c0b3..03eb3d977075 100644
--- a/include/acpi/platform/acenv.h
+++ b/include/acpi/platform/acenv.h
@@ -3,7 +3,7 @@
  *
  * Name: acenv.h - Host and compiler configuration
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/include/acpi/platform/acenvex.h b/include/acpi/platform/acenvex.h
index c3facf5f8495..3a6b1db9a984 100644
--- a/include/acpi/platform/acenvex.h
+++ b/include/acpi/platform/acenvex.h
@@ -3,7 +3,7 @@
  *
  * Name: acenvex.h - Extra host and compiler configuration
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index 7d63d03cf507..ac80111f503c 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -3,28 +3,20 @@
  *
  * Name: acgcc.h - GCC specific defines, etc.
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
 #ifndef __ACGCC_H__
 #define __ACGCC_H__
 
-/*
- * Use compiler specific <stdarg.h> is a good practice for even when
- * -nostdinc is specified (i.e., ACPI_USE_STANDARD_HEADERS undefined.
- */
 #ifndef va_arg
-#ifdef ACPI_USE_BUILTIN_STDARG
-typedef __builtin_va_list va_list;
-#define va_start(v, l)          __builtin_va_start(v, l)
-#define va_end(v)               __builtin_va_end(v)
-#define va_arg(v, l)            __builtin_va_arg(v, l)
-#define va_copy(d, s)           __builtin_va_copy(d, s)
+#ifdef __KERNEL__
+#include <linux/stdarg.h>
 #else
 #include <stdarg.h>
-#endif
-#endif
+#endif /* __KERNEL__ */
+#endif /* ! va_arg */
 
 #define ACPI_INLINE             __inline__
 
@@ -54,4 +46,19 @@ typedef __builtin_va_list va_list;
 
 #define ACPI_USE_NATIVE_MATH64
 
+/* GCC did not support __has_attribute until 5.1. */
+
+#ifndef __has_attribute
+#define __has_attribute(x) 0
+#endif
+
+/*
+ * Explicitly mark intentional explicit fallthrough to silence
+ * -Wimplicit-fallthrough in GCC 7.1+.
+ */
+
+#if __has_attribute(__fallthrough__)
+#define ACPI_FALLTHROUGH __attribute__((__fallthrough__))
+#endif
+
 #endif				/* __ACGCC_H__ */
diff --git a/include/acpi/platform/acgccex.h b/include/acpi/platform/acgccex.h
index 7c88fd1de955..302ea1b724b9 100644
--- a/include/acpi/platform/acgccex.h
+++ b/include/acpi/platform/acgccex.h
@@ -3,7 +3,7 @@
  *
  * Name: acgccex.h - Extra GCC specific defines, etc.
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/include/acpi/platform/acintel.h b/include/acpi/platform/acintel.h
index e7fd5e71be62..85b1ae86ee63 100644
--- a/include/acpi/platform/acintel.h
+++ b/include/acpi/platform/acintel.h
@@ -3,7 +3,7 @@
  *
  * Name: acintel.h - VC specific defines, etc.
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 987e2af7c335..a5550dd4d507 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -3,7 +3,7 @@
  *
  * Name: aclinux.h - OS specific defines, etc. for Linux
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
@@ -114,10 +114,19 @@
 #define acpi_raw_spinlock                   raw_spinlock_t *
 #define acpi_cpu_flags                      unsigned long
 
+#define acpi_uintptr_t                      uintptr_t
+
+#define ACPI_TO_INTEGER(p)                  ((uintptr_t)(p))
+#define ACPI_OFFSET(d, f)                   offsetof(d, f)
+
 /* Use native linux version of acpi_os_allocate_zeroed */
 
 #define USE_NATIVE_ALLOCATE_ZEROED
 
+/* Use logical addresses for accessing GPE registers in system memory */
+
+#define ACPI_GPE_USE_LOGICAL_ADDRESSES
+
 /*
  * Overrides for in-kernel ACPICA
  */
@@ -190,7 +199,8 @@
 
 #if defined(__ia64__)    || (defined(__x86_64__) && !defined(__ILP32__)) ||\
 	defined(__aarch64__) || defined(__PPC64__) ||\
-	defined(__s390x__)
+	defined(__s390x__) ||\
+	(defined(__riscv) && (defined(__LP64__) || defined(_LP64)))
 #define ACPI_MACHINE_WIDTH          64
 #define COMPILER_DEPENDENT_INT64    long
 #define COMPILER_DEPENDENT_UINT64   unsigned long
diff --git a/include/acpi/platform/aclinuxex.h b/include/acpi/platform/aclinuxex.h
index 04f88f2de781..28c72744decf 100644
--- a/include/acpi/platform/aclinuxex.h
+++ b/include/acpi/platform/aclinuxex.h
@@ -3,7 +3,7 @@
  *
  * Name: aclinuxex.h - Extra OS specific defines, etc. for Linux
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/