diff --git a/asf/sam/include/samv71b/README b/asf/sam/include/samv71b/README
index 04aff32..3dd6bfa 100644
--- a/asf/sam/include/samv71b/README
+++ b/asf/sam/include/samv71b/README
@@ -39,5 +39,6 @@ License Link:
    https://www.apache.org/licenses/LICENSE-2.0
 
 Patch List:
+   * Fix SmcCs struct naming to match Zephyr driver.
    * Fix QDEC deprecated symbols.
    * Fix XDMAC_CHID register name.
diff --git a/asf/sam/include/samv71b/component/smc.h b/asf/sam/include/samv71b/component/smc.h
index 6e395f5..de0f584 100644
--- a/asf/sam/include/samv71b/component/smc.h
+++ b/asf/sam/include/samv71b/component/smc.h
@@ -372,12 +372,12 @@ typedef struct {
   __IO uint32_t SMC_PULSE;      /**< (SMC_CS_NUMBER Offset: 0x04) SMC Pulse Register */
   __IO uint32_t SMC_CYCLE;      /**< (SMC_CS_NUMBER Offset: 0x08) SMC Cycle Register */
   __IO uint32_t SMC_MODE;       /**< (SMC_CS_NUMBER Offset: 0x0C) SMC Mode Register */
-} SmcCsNumber;
+} SmcCs_number;
 
-#define SMCCSNUMBER_NUMBER 4
+#define SMCCS_NUMBER_NUMBER 4
 /** \brief SMC hardware registers */
 typedef struct {  
-       SmcCsNumber SmcCsNumber[SMCCSNUMBER_NUMBER]; /**< Offset: 0x00 SMC Setup Register */
+       SmcCs_number SMC_CS_NUMBER[SMCCS_NUMBER_NUMBER]; /**< Offset: 0x00 SMC Setup Register */
   __I  uint8_t                        Reserved1[64];
   __IO uint32_t SMC_OCMS;       /**< (SMC Offset: 0x80) SMC Off-Chip Memory Scrambling Register */
   __O  uint32_t SMC_KEY1;       /**< (SMC Offset: 0x84) SMC Off-Chip Memory Scrambling KEY1 Register */
@@ -394,11 +394,11 @@ typedef struct {
   __IO SMC_PULSE_Type                 SMC_PULSE;      /**< Offset: 0x04 (R/W  32) SMC Pulse Register */
   __IO SMC_CYCLE_Type                 SMC_CYCLE;      /**< Offset: 0x08 (R/W  32) SMC Cycle Register */
   __IO SMC_MODE_Type                  SMC_MODE;       /**< Offset: 0x0C (R/W  32) SMC Mode Register */
-} SmcCsNumber;
+} SmcCs_number;
 
 /** \brief SMC hardware registers */
 typedef struct {  
-       SmcCsNumber                    SmcCsNumber[4]; /**< Offset: 0x00 SMC Setup Register */
+       SmcCs_number                    SMC_CS_NUMBER[4]; /**< Offset: 0x00 SMC Setup Register */
   __I  uint8_t                        Reserved1[64];
   __IO SMC_OCMS_Type                  SMC_OCMS;       /**< Offset: 0x80 (R/W  32) SMC Off-Chip Memory Scrambling Register */
   __O  SMC_KEY1_Type                  SMC_KEY1;       /**< Offset: 0x84 ( /W  32) SMC Off-Chip Memory Scrambling KEY1 Register */