diff options
| author | Bob Moore <robert.moore@intel.com> | 2018-10-03 11:45:34 -0700 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-10-04 09:06:27 +0200 |
| commit | f99b89eefeb635a675b2883fcd2148b7cfc77319 (patch) | |
| tree | 8ca3940f4656cd78433052f399002ace3c45d8b8 /include/acpi | |
| parent | 17b57b1883c1285f3d0dc2266e8f79286a7bef38 (diff) | |
| download | linux-f99b89eefeb635a675b2883fcd2148b7cfc77319.tar.bz2 | |
ACPICA: Update for generic_serial_bus and attrib_raw_process_bytes protocol
Cleanup for this write-then-read protocol. The ACPI specification
is rather unclear for the entire generic_serial_bus, but this
change works correctly on the Surface 3.
Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/acconfig.h | 3 | ||||
| -rw-r--r-- | include/acpi/acexcep.h | 9 |
2 files changed, 9 insertions, 3 deletions
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h index e6964e97acdd..0f875ae68c68 100644 --- a/include/acpi/acconfig.h +++ b/include/acpi/acconfig.h @@ -176,8 +176,9 @@ /* SMBus, GSBus and IPMI bidirectional buffer size */ #define ACPI_SMBUS_BUFFER_SIZE 34 -#define ACPI_GSBUS_BUFFER_SIZE 34 #define ACPI_IPMI_BUFFER_SIZE 66 +#define ACPI_GSBUS_BUFFER_SIZE 34 /* Not clear if this is needed */ +#define ACPI_MAX_GSBUS_BUFFER_SIZE 255 /* Worst-case bidirectional buffer */ /* _sx_d and _sx_w control methods */ diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h index 856c56ef0143..09f46050961f 100644 --- a/include/acpi/acexcep.h +++ b/include/acpi/acexcep.h @@ -171,8 +171,10 @@ struct acpi_exception_info { #define AE_AML_LOOP_TIMEOUT EXCEP_AML (0x0021) #define AE_AML_UNINITIALIZED_NODE EXCEP_AML (0x0022) #define AE_AML_TARGET_TYPE EXCEP_AML (0x0023) +#define AE_AML_PROTOCOL EXCEP_AML (0x0024) +#define AE_AML_BUFFER_LENGTH EXCEP_AML (0x0025) -#define AE_CODE_AML_MAX 0x0023 +#define AE_CODE_AML_MAX 0x0025 /* * Internal exceptions used for control @@ -347,7 +349,10 @@ static const struct acpi_exception_info acpi_gbl_exception_names_aml[] = { EXCEP_TXT("AE_AML_UNINITIALIZED_NODE", "A namespace node is uninitialized or unresolved"), EXCEP_TXT("AE_AML_TARGET_TYPE", - "A target operand of an incorrect type was encountered") + "A target operand of an incorrect type was encountered"), + EXCEP_TXT("AE_AML_PROTOCOL", "Violation of a fixed ACPI protocol"), + EXCEP_TXT("AE_AML_BUFFER_LENGTH", + "The length of the buffer is invalid/incorrect") }; static const struct acpi_exception_info acpi_gbl_exception_names_ctrl[] = { |