diff --git a/arch/arm/mach-stm32mp/include/mach/bsec.h b/arch/arm/mach-stm32mp/include/mach/bsec.h
index 559faaa..d3cb91b 100644
--- a/arch/arm/mach-stm32mp/include/mach/bsec.h
+++ b/arch/arm/mach-stm32mp/include/mach/bsec.h
@@ -17,7 +17,7 @@
 };
 
 /* Service for BSEC */
-enum bsec_field {
+enum bsec_op {
 	BSEC_SMC_READ_SHADOW	= 1,
 	BSEC_SMC_PROG_OTP	= 2,
 	BSEC_SMC_WRITE_SHADOW	= 3,
@@ -26,13 +26,13 @@
 	BSEC_SMC_WRITE_ALL	= 6,
 };
 
-static inline enum bsec_smc bsec_read_field(enum bsec_field field, unsigned *val)
+static inline enum bsec_smc bsec_read_field(unsigned field, unsigned *val)
 {
 	return stm32mp_smc(STM32_SMC_BSEC, BSEC_SMC_READ_SHADOW,
 			   field, 0, val);
 }
 
-static inline enum bsec_smc bsec_write_field(enum bsec_field field, unsigned val)
+static inline enum bsec_smc bsec_write_field(unsigned field, unsigned val)
 {
 	return stm32mp_smc(STM32_SMC_BSEC, BSEC_SMC_WRITE_SHADOW,
 			   field, val, NULL);
diff --git a/drivers/nvmem/bsec.c b/drivers/nvmem/bsec.c
index 209c50d..836e62e 100644
--- a/drivers/nvmem/bsec.c
+++ b/drivers/nvmem/bsec.c
@@ -33,7 +33,7 @@
 	int num_regs;
 };
 
-static int bsec_smc(struct bsec_priv *priv, u8 op, enum bsec_field field,
+static int bsec_smc(struct bsec_priv *priv, enum bsec_op op, u32 field,
 		    unsigned data2, unsigned *val)
 {
 	enum bsec_smc ret = stm32mp_smc(priv->svc_id, op, field / 4, data2, val);