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Diffstat (limited to 'include/acpi/actypes.h')
-rw-r--r--include/acpi/actypes.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 31f1be74dd16..310b542abe23 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2017, Intel Corp.
+ * Copyright (C) 2000 - 2018, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -485,7 +485,7 @@ typedef u8 acpi_owner_id;
/*
* Constants with special meanings
*/
-#define ACPI_ROOT_OBJECT ACPI_ADD_PTR (acpi_handle, NULL, ACPI_MAX_PTR)
+#define ACPI_ROOT_OBJECT ((acpi_handle) ACPI_TO_POINTER (ACPI_MAX_PTR))
#define ACPI_WAIT_FOREVER 0xFFFF /* u16, as per ACPI spec */
#define ACPI_DO_NOT_WAIT 0
@@ -532,13 +532,13 @@ typedef u64 acpi_integer;
#define ACPI_CAST_INDIRECT_PTR(t, p) ((t **) (acpi_uintptr_t) (p))
#define ACPI_ADD_PTR(t, a, b) ACPI_CAST_PTR (t, (ACPI_CAST_PTR (u8, (a)) + (acpi_size)(b)))
#define ACPI_SUB_PTR(t, a, b) ACPI_CAST_PTR (t, (ACPI_CAST_PTR (u8, (a)) - (acpi_size)(b)))
-#define ACPI_PTR_DIFF(a, b) (acpi_size) (ACPI_CAST_PTR (u8, (a)) - ACPI_CAST_PTR (u8, (b)))
+#define ACPI_PTR_DIFF(a, b) ((acpi_size) (ACPI_CAST_PTR (u8, (a)) - ACPI_CAST_PTR (u8, (b))))
/* Pointer/Integer type conversions */
-#define ACPI_TO_POINTER(i) ACPI_ADD_PTR (void, (void *) NULL,(acpi_size) i)
-#define ACPI_TO_INTEGER(p) ACPI_PTR_DIFF (p, (void *) NULL)
-#define ACPI_OFFSET(d, f) ACPI_PTR_DIFF (&(((d *) 0)->f), (void *) NULL)
+#define ACPI_TO_POINTER(i) ACPI_ADD_PTR (void, (void *) 0, (acpi_size) (i))
+#define ACPI_TO_INTEGER(p) ACPI_PTR_DIFF (p, (void *) 0)
+#define ACPI_OFFSET(d, f) ACPI_PTR_DIFF (&(((d *) 0)->f), (void *) 0)
#define ACPI_PHYSADDR_TO_PTR(i) ACPI_TO_POINTER(i)
#define ACPI_PTR_TO_PHYSADDR(i) ACPI_TO_INTEGER(i)