diff --git a/arch/arm/src/imxrt/imxrt_enc.c b/arch/arm/src/imxrt/imxrt_enc.c
index 85168444c90..f5b0a21a021 100644
--- a/arch/arm/src/imxrt/imxrt_enc.c
+++ b/arch/arm/src/imxrt/imxrt_enc.c
@@ -336,11 +336,12 @@ static int imxrt_ioctl(FAR struct qe_lowerhalf_s *lower, int cmd,
 
 static const struct qe_ops_s g_qecallbacks =
 {
-  .setup    = imxrt_setup,
-  .shutdown = imxrt_shutdown,
-  .position = imxrt_position,
-  .reset    = imxrt_reset,
-  .ioctl    = imxrt_ioctl,
+  .setup     = imxrt_setup,
+  .shutdown  = imxrt_shutdown,
+  .position  = imxrt_position,
+  .setposmax = NULL,            /* not supported yet */
+  .reset     = imxrt_reset,
+  .ioctl     = imxrt_ioctl,
 };
 
 /* Per-timer state structures */
diff --git a/arch/arm/src/stm32f7/stm32_qencoder.c b/arch/arm/src/stm32f7/stm32_qencoder.c
index b8238da6bb2..cd9aedd3fab 100644
--- a/arch/arm/src/stm32f7/stm32_qencoder.c
+++ b/arch/arm/src/stm32f7/stm32_qencoder.c
@@ -263,11 +263,12 @@ static int stm32_ioctl(FAR struct qe_lowerhalf_s *lower, int cmd,
 
 static const struct qe_ops_s g_qecallbacks =
 {
-  .setup    = stm32_setup,
-  .shutdown = stm32_shutdown,
-  .position = stm32_position,
-  .reset    = stm32_reset,
-  .ioctl    = stm32_ioctl,
+  .setup     = stm32_setup,
+  .shutdown  = stm32_shutdown,
+  .position  = stm32_position,
+  .setposmax = NULL,            /* not supported yet */
+  .reset     = stm32_reset,
+  .ioctl     = stm32_ioctl,
 };
 
 /* Per-timer state structures */
diff --git a/arch/arm/src/stm32h7/stm32_qencoder.c b/arch/arm/src/stm32h7/stm32_qencoder.c
index b0259d2309c..c55216a6295 100644
--- a/arch/arm/src/stm32h7/stm32_qencoder.c
+++ b/arch/arm/src/stm32h7/stm32_qencoder.c
@@ -263,11 +263,12 @@ static int stm32_ioctl(FAR struct qe_lowerhalf_s *lower, int cmd,
 
 static const struct qe_ops_s g_qecallbacks =
 {
-  .setup    = stm32_setup,
-  .shutdown = stm32_shutdown,
-  .position = stm32_position,
-  .reset    = stm32_reset,
-  .ioctl    = stm32_ioctl,
+  .setup     = stm32_setup,
+  .shutdown  = stm32_shutdown,
+  .position  = stm32_position,
+  .setposmax = NULL,            /* not supported yet */
+  .reset     = stm32_reset,
+  .ioctl     = stm32_ioctl,
 };
 
 /* Per-timer state structures */
diff --git a/arch/arm/src/stm32l4/stm32l4_qencoder.c b/arch/arm/src/stm32l4/stm32l4_qencoder.c
index 20620dea11b..24d5495c900 100644
--- a/arch/arm/src/stm32l4/stm32l4_qencoder.c
+++ b/arch/arm/src/stm32l4/stm32l4_qencoder.c
@@ -258,11 +258,12 @@ static int stm32l4_ioctl(FAR struct qe_lowerhalf_s *lower,
 
 static const struct qe_ops_s g_qecallbacks =
 {
-  .setup    = stm32l4_setup,
-  .shutdown = stm32l4_shutdown,
-  .position = stm32l4_position,
-  .reset    = stm32l4_reset,
-  .ioctl    = stm32l4_ioctl,
+  .setup     = stm32l4_setup,
+  .shutdown  = stm32l4_shutdown,
+  .position  = stm32l4_position,
+  .setposmax = NULL,            /* not supported yet */
+  .reset     = stm32l4_reset,
+  .ioctl     = stm32l4_ioctl,
 };
 
 /* Per-timer state structures */
diff --git a/arch/arm/src/tiva/common/tiva_qencoder.c b/arch/arm/src/tiva/common/tiva_qencoder.c
index d4d11630019..529c4deae4d 100644
--- a/arch/arm/src/tiva/common/tiva_qencoder.c
+++ b/arch/arm/src/tiva/common/tiva_qencoder.c
@@ -107,11 +107,12 @@ static int tiva_qe_resetatindex(FAR struct tiva_qe_s *qe);
 
 static const struct qe_ops_s g_qe_ops =
 {
-  .setup    = tiva_qe_setup,
-  .shutdown = tiva_qe_shutdown,
-  .position = tiva_qe_position,
-  .reset    = tiva_qe_reset,
-  .ioctl    = tiva_qe_ioctl,
+  .setup     = tiva_qe_setup,
+  .shutdown  = tiva_qe_shutdown,
+  .position  = tiva_qe_position,
+  .setposmax = NULL,            /* not supported yet */
+  .reset     = tiva_qe_reset,
+  .ioctl     = tiva_qe_ioctl,
 };
 
 #ifdef CONFIG_TIVA_QEI0