On Wed, May 06, 2020 at 05:44:07PM +0100, Sudeep Holla wrote: > 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). > > Reviewed-by: Steven Price <[email protected]> > Signed-off-by: Sudeep Holla <[email protected]>
Hmm... the SMCCC v1.2 doc still seems to be EAC rather than a final release. I don't expect that this would change, but I am a little hesitant to add other stuff based on an unfinalized spec. Do we know when the final release will be? Thanks, Mark. > --- > include/linux/arm-smccc.h | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h > index 6c1d1eda3be4..9d9a2e42e919 100644 > --- a/include/linux/arm-smccc.h > +++ b/include/linux/arm-smccc.h > @@ -56,6 +56,7 @@ > > #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, \ > @@ -314,10 +315,14 @@ 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 0028C > + */ > #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. > -- > 2.17.1 >
