1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2020 Arm Limited 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #define pr_fmt(fmt) "smccc: " fmt 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <linux/init.h> 9*4882a593Smuzhiyun #include <linux/arm-smccc.h> 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun static u32 smccc_version = ARM_SMCCC_VERSION_1_0; 12*4882a593Smuzhiyun static enum arm_smccc_conduit smccc_conduit = SMCCC_CONDUIT_NONE; 13*4882a593Smuzhiyun arm_smccc_version_init(u32 version,enum arm_smccc_conduit conduit)14*4882a593Smuzhiyunvoid __init arm_smccc_version_init(u32 version, enum arm_smccc_conduit conduit) 15*4882a593Smuzhiyun { 16*4882a593Smuzhiyun smccc_version = version; 17*4882a593Smuzhiyun smccc_conduit = conduit; 18*4882a593Smuzhiyun } 19*4882a593Smuzhiyun arm_smccc_1_1_get_conduit(void)20*4882a593Smuzhiyunenum arm_smccc_conduit arm_smccc_1_1_get_conduit(void) 21*4882a593Smuzhiyun { 22*4882a593Smuzhiyun if (smccc_version < ARM_SMCCC_VERSION_1_1) 23*4882a593Smuzhiyun return SMCCC_CONDUIT_NONE; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun return smccc_conduit; 26*4882a593Smuzhiyun } 27*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(arm_smccc_1_1_get_conduit); 28*4882a593Smuzhiyun arm_smccc_get_version(void)29*4882a593Smuzhiyunu32 arm_smccc_get_version(void) 30*4882a593Smuzhiyun { 31*4882a593Smuzhiyun return smccc_version; 32*4882a593Smuzhiyun } 33*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(arm_smccc_get_version); 34