diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 743d53415572..67b59699357d 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -474,10 +474,10 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
 	__RISCV_ISA_EXT_DATA(zacas, RISCV_ISA_EXT_ZACAS),
 	__RISCV_ISA_EXT_DATA(zalrsc, RISCV_ISA_EXT_ZALRSC),
 	__RISCV_ISA_EXT_DATA(zawrs, RISCV_ISA_EXT_ZAWRS),
-	__RISCV_ISA_EXT_DATA(zfa, RISCV_ISA_EXT_ZFA),
+	__RISCV_ISA_EXT_DATA_VALIDATE(zfa, RISCV_ISA_EXT_ZFA, riscv_ext_f_depends),
 	__RISCV_ISA_EXT_DATA_VALIDATE(zfbfmin, RISCV_ISA_EXT_ZFBFMIN, riscv_ext_f_depends),
-	__RISCV_ISA_EXT_DATA(zfh, RISCV_ISA_EXT_ZFH),
-	__RISCV_ISA_EXT_DATA(zfhmin, RISCV_ISA_EXT_ZFHMIN),
+	__RISCV_ISA_EXT_DATA_VALIDATE(zfh, RISCV_ISA_EXT_ZFH, riscv_ext_f_depends),
+	__RISCV_ISA_EXT_DATA_VALIDATE(zfhmin, RISCV_ISA_EXT_ZFHMIN, riscv_ext_f_depends),
 	__RISCV_ISA_EXT_DATA(zca, RISCV_ISA_EXT_ZCA),
 	__RISCV_ISA_EXT_DATA_VALIDATE(zcb, RISCV_ISA_EXT_ZCB, riscv_ext_zca_depends),
 	__RISCV_ISA_EXT_DATA_VALIDATE(zcd, RISCV_ISA_EXT_ZCD, riscv_ext_zcd_validate),
diff --git a/arch/riscv/kernel/sys_hwprobe.c b/arch/riscv/kernel/sys_hwprobe.c
index 0b170e18a2be..3e9259790816 100644
--- a/arch/riscv/kernel/sys_hwprobe.c
+++ b/arch/riscv/kernel/sys_hwprobe.c
@@ -153,14 +153,12 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair,
 			EXT_KEY(ZVKT);
 		}
 
-		if (has_fpu()) {
-			EXT_KEY(ZCD);
-			EXT_KEY(ZCF);
-			EXT_KEY(ZFA);
-			EXT_KEY(ZFBFMIN);
-			EXT_KEY(ZFH);
-			EXT_KEY(ZFHMIN);
-		}
+		EXT_KEY(ZCD);
+		EXT_KEY(ZCF);
+		EXT_KEY(ZFA);
+		EXT_KEY(ZFBFMIN);
+		EXT_KEY(ZFH);
+		EXT_KEY(ZFHMIN);
 
 		if (IS_ENABLED(CONFIG_RISCV_ISA_SUPM))
 			EXT_KEY(SUPM);