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-rw-r--r--drivers/firmware/smccc/smccc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/firmware/smccc/smccc.c b/drivers/firmware/smccc/smccc.c
index 00c88b809c0c..d52bfc5ed5e4 100644
--- a/drivers/firmware/smccc/smccc.c
+++ b/drivers/firmware/smccc/smccc.c
@@ -5,16 +5,22 @@
#define pr_fmt(fmt) "smccc: " fmt
+#include <linux/cache.h>
#include <linux/init.h>
#include <linux/arm-smccc.h>
+#include <asm/archrandom.h>
static u32 smccc_version = ARM_SMCCC_VERSION_1_0;
static enum arm_smccc_conduit smccc_conduit = SMCCC_CONDUIT_NONE;
+bool __ro_after_init smccc_trng_available = false;
+
void __init arm_smccc_version_init(u32 version, enum arm_smccc_conduit conduit)
{
smccc_version = version;
smccc_conduit = conduit;
+
+ smccc_trng_available = smccc_probe_trng();
}
enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void)