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authorWeizhao Ouyang2024-03-04 14:42:40 +0000
committerTom Rini2024-03-13 12:40:43 -0400
commit12ccdcd79bddace90dfb6080084b0e36a6d44b37 (patch)
treee202611b4cc9a821213bd969c61c1db5bd49ac7d /include/linux
parent0cff87c90c676d0e5c5b59553a2a982782f024bb (diff)
firmware: psci: Fix bind_smccc_features psci check
According to PSCI specification DEN0022F, PSCI_FEATURES is used to check whether the SMCCC is implemented by discovering SMCCC_VERSION. Signed-off-by: Weizhao Ouyang <o451686892@gmail.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/arm-smccc.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index f44e9e8f930..da3d29aabee 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -55,8 +55,14 @@
#define ARM_SMCCC_QUIRK_NONE 0
#define ARM_SMCCC_QUIRK_QCOM_A6 1 /* Save/restore register a6 */
+#define ARM_SMCCC_VERSION 0x80000000
#define ARM_SMCCC_ARCH_FEATURES 0x80000001
+#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_1_3 0x10003
+
#define ARM_SMCCC_RET_NOT_SUPPORTED ((unsigned long)-1)
#ifndef __ASSEMBLY__