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-rw-r--r--include/acpi/acpi_bus.h8
-rw-r--r--include/acpi/acpixf.h2
-rw-r--r--include/acpi/actbl.h4
-rw-r--r--include/acpi/actypes.h12
4 files changed, 15 insertions, 11 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 0300374101cd..2a462cf4eaa9 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -91,8 +91,8 @@ acpi_evaluate_dsm_typed(acpi_handle handle, const guid_t *guid, u64 rev,
bool acpi_dev_found(const char *hid);
bool acpi_dev_present(const char *hid, const char *uid, s64 hrv);
-const char *
-acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv);
+struct acpi_device *
+acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv);
#ifdef CONFIG_ACPI
@@ -687,6 +687,10 @@ static inline bool acpi_device_can_poweroff(struct acpi_device *adev)
adev->power.states[ACPI_STATE_D3_HOT].flags.explicit_set);
}
+static inline void acpi_dev_put(struct acpi_device *adev)
+{
+ put_device(&adev->dev);
+}
#else /* CONFIG_ACPI */
static inline int register_acpi_bus_type(void *bus) { return 0; }
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 24dbb4e742a6..3b1b1d0e4c33 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 0x20190215
+#define ACPI_CA_VERSION 0x20190405
#include <acpi/acconfig.h>
#include <acpi/actypes.h>
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index 65cc9cbf1141..d568128025df 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -66,14 +66,14 @@
******************************************************************************/
struct acpi_table_header {
- char signature[ACPI_NAME_SIZE]; /* ASCII table signature */
+ char signature[ACPI_NAMESEG_SIZE]; /* ASCII table signature */
u32 length; /* Length of table in bytes, including this header */
u8 revision; /* ACPI Specification minor version number */
u8 checksum; /* To make sum of entire table == 0 */
char oem_id[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */
char oem_table_id[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */
u32 oem_revision; /* OEM revision number */
- char asl_compiler_id[ACPI_NAME_SIZE]; /* ASCII ASL compiler vendor ID */
+ char asl_compiler_id[ACPI_NAMESEG_SIZE]; /* ASCII ASL compiler vendor ID */
u32 asl_compiler_revision; /* ASL compiler version */
};
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index f73382e82c26..ad6892a24015 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -375,7 +375,7 @@ typedef u64 acpi_physical_address;
/* Names within the namespace are 4 bytes long */
-#define ACPI_NAME_SIZE 4
+#define ACPI_NAMESEG_SIZE 4 /* Fixed by ACPI spec */
#define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */
#define ACPI_PATH_SEPARATOR '.'
@@ -515,11 +515,11 @@ typedef u64 acpi_integer;
/* Optimizations for 4-character (32-bit) acpi_name manipulation */
#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
-#define ACPI_COMPARE_NAME(a,b) (*ACPI_CAST_PTR (u32, (a)) == *ACPI_CAST_PTR (u32, (b)))
-#define ACPI_MOVE_NAME(dest,src) (*ACPI_CAST_PTR (u32, (dest)) = *ACPI_CAST_PTR (u32, (src)))
+#define ACPI_COMPARE_NAMESEG(a,b) (*ACPI_CAST_PTR (u32, (a)) == *ACPI_CAST_PTR (u32, (b)))
+#define ACPI_COPY_NAMESEG(dest,src) (*ACPI_CAST_PTR (u32, (dest)) = *ACPI_CAST_PTR (u32, (src)))
#else
-#define ACPI_COMPARE_NAME(a,b) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_CAST_PTR (char, (b)), ACPI_NAME_SIZE))
-#define ACPI_MOVE_NAME(dest,src) (strncpy (ACPI_CAST_PTR (char, (dest)), ACPI_CAST_PTR (char, (src)), ACPI_NAME_SIZE))
+#define ACPI_COMPARE_NAMESEG(a,b) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_CAST_PTR (char, (b)), ACPI_NAMESEG_SIZE))
+#define ACPI_COPY_NAMESEG(dest,src) (strncpy (ACPI_CAST_PTR (char, (dest)), ACPI_CAST_PTR (char, (src)), ACPI_NAMESEG_SIZE))
#endif
/* Support for the special RSDP signature (8 characters) */
@@ -529,7 +529,7 @@ typedef u64 acpi_integer;
/* Support for OEMx signature (x can be any character) */
#define ACPI_IS_OEM_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_OEM_NAME, 3) &&\
- strnlen (a, ACPI_NAME_SIZE) == ACPI_NAME_SIZE)
+ strnlen (a, ACPI_NAMESEG_SIZE) == ACPI_NAMESEG_SIZE)
/*
* Algorithm to obtain access bit width.