On 30/04/2020 12:48, 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).

Signed-off-by: Sudeep Holla <[email protected]>

Reviewed-by: Steven Price <[email protected]>

---
  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.


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