diff options
| author | Sudeep Holla <sudeep.holla@arm.com> | 2020-05-18 12:12:18 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-05-20 21:10:37 +0300 |
| commit | 0441bfe7f00acaae7c4937ba0ca48ee1de9b709f (patch) | |
| tree | 21e7ca40f7cb4c186725e0e1b9603f50a6a60c03 /include/linux/arm-smccc.h | |
| parent | 15c704ab6244ac95be54b2c05411b70501d50e8f (diff) | |
| download | linux-0441bfe7f00acaae7c4937ba0ca48ee1de9b709f.tar.xz | |
firmware: smccc: Add the definition for SMCCCv1.2 version/error codes
Add the definition for SMCCC v1.2 version and new error code added.
While at it, also add a note that ARM DEN 0070A is deprecated and is
now merged into the main SMCCC specification(ARM DEN 0028C).
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Etienne Carriere <etienne.carriere@st.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Etienne Carriere <etienne.carriere@st.com>
Link: https://lore.kernel.org/r/20200518091222.27467-4-sudeep.holla@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'include/linux/arm-smccc.h')
| -rw-r--r-- | include/linux/arm-smccc.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h index 31b15db9685d..c3784ba8e2a4 100644 --- a/include/linux/arm-smccc.h +++ b/include/linux/arm-smccc.h @@ -12,7 +12,7 @@ * specified in * https://developer.arm.com/docs/den0028/latest * - * This code is up-to-date with version DEN 0028 B + * This code is up-to-date with version DEN 0028 C */ #define ARM_SMCCC_STD_CALL _AC(0,U) @@ -58,6 +58,7 @@ #define ARM_SMCCC_VERSION_1_0 0x10000 #define ARM_SMCCC_VERSION_1_1 0x10001 +#define ARM_SMCCC_VERSION_1_2 0x10002 #define ARM_SMCCC_VERSION_FUNC_ID \ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ @@ -316,10 +317,14 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1, */ #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__) -/* Return codes defined in ARM DEN 0070A */ +/* + * Return codes defined in ARM DEN 0070A + * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028 C + */ #define SMCCC_RET_SUCCESS 0 #define SMCCC_RET_NOT_SUPPORTED -1 #define SMCCC_RET_NOT_REQUIRED -2 +#define SMCCC_RET_INVALID_PARAMETER -3 /* * Like arm_smccc_1_1* but always returns SMCCC_RET_NOT_SUPPORTED. |