diff --git a/drivers/counter/104-quad-8.c b/drivers/counter/104-quad-8.c
index 1cbd60aaed69..6e5286cd1d4e 100644
--- a/drivers/counter/104-quad-8.c
+++ b/drivers/counter/104-quad-8.c
@@ -113,7 +113,7 @@ static int quad8_signal_read(struct counter_device *counter,
 			     struct counter_signal *signal,
 			     enum counter_signal_level *level)
 {
-	const struct quad8 *const priv = counter->priv;
+	const struct quad8 *const priv = counter_priv(counter);
 	unsigned int state;
 
 	/* Only Index signal levels can be read */
@@ -131,7 +131,7 @@ static int quad8_signal_read(struct counter_device *counter,
 static int quad8_count_read(struct counter_device *counter,
 			    struct counter_count *count, u64 *val)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	const int base_offset = priv->base + 2 * count->id;
 	unsigned int flags;
 	unsigned int borrow;
@@ -163,7 +163,7 @@ static int quad8_count_read(struct counter_device *counter,
 static int quad8_count_write(struct counter_device *counter,
 			     struct counter_count *count, u64 val)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	const int base_offset = priv->base + 2 * count->id;
 	unsigned long irqflags;
 	int i;
@@ -213,7 +213,7 @@ static int quad8_function_read(struct counter_device *counter,
 			       struct counter_count *count,
 			       enum counter_function *function)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	const int id = count->id;
 	unsigned long irqflags;
 
@@ -243,7 +243,7 @@ static int quad8_function_write(struct counter_device *counter,
 				struct counter_count *count,
 				enum counter_function function)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	const int id = count->id;
 	unsigned int *const quadrature_mode = priv->quadrature_mode + id;
 	unsigned int *const scale = priv->quadrature_scale + id;
@@ -305,7 +305,7 @@ static int quad8_direction_read(struct counter_device *counter,
 				struct counter_count *count,
 				enum counter_count_direction *direction)
 {
-	const struct quad8 *const priv = counter->priv;
+	const struct quad8 *const priv = counter_priv(counter);
 	unsigned int ud_flag;
 	const unsigned int flag_addr = priv->base + 2 * count->id + 1;
 
@@ -335,7 +335,7 @@ static int quad8_action_read(struct counter_device *counter,
 			     struct counter_synapse *synapse,
 			     enum counter_synapse_action *action)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	int err;
 	enum counter_function function;
 	const size_t signal_a_id = count->synapses[0].signal->id;
@@ -399,7 +399,7 @@ enum {
 
 static int quad8_events_configure(struct counter_device *counter)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	unsigned long irq_enabled = 0;
 	unsigned long irqflags;
 	size_t channel;
@@ -442,7 +442,7 @@ static int quad8_events_configure(struct counter_device *counter)
 static int quad8_watch_validate(struct counter_device *counter,
 				const struct counter_watch *watch)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 
 	if (watch->channel > QUAD8_NUM_COUNTERS - 1)
 		return -EINVAL;
@@ -497,7 +497,7 @@ static int quad8_index_polarity_get(struct counter_device *counter,
 				    struct counter_signal *signal,
 				    u32 *index_polarity)
 {
-	const struct quad8 *const priv = counter->priv;
+	const struct quad8 *const priv = counter_priv(counter);
 	const size_t channel_id = signal->id - 16;
 
 	*index_polarity = priv->index_polarity[channel_id];
@@ -509,7 +509,7 @@ static int quad8_index_polarity_set(struct counter_device *counter,
 				    struct counter_signal *signal,
 				    u32 index_polarity)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	const size_t channel_id = signal->id - 16;
 	const int base_offset = priv->base + 2 * channel_id + 1;
 	unsigned long irqflags;
@@ -538,7 +538,7 @@ static int quad8_synchronous_mode_get(struct counter_device *counter,
 				      struct counter_signal *signal,
 				      u32 *synchronous_mode)
 {
-	const struct quad8 *const priv = counter->priv;
+	const struct quad8 *const priv = counter_priv(counter);
 	const size_t channel_id = signal->id - 16;
 
 	*synchronous_mode = priv->synchronous_mode[channel_id];
@@ -550,7 +550,7 @@ static int quad8_synchronous_mode_set(struct counter_device *counter,
 				      struct counter_signal *signal,
 				      u32 synchronous_mode)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	const size_t channel_id = signal->id - 16;
 	const int base_offset = priv->base + 2 * channel_id + 1;
 	unsigned long irqflags;
@@ -589,7 +589,7 @@ static int quad8_count_mode_read(struct counter_device *counter,
 				 struct counter_count *count,
 				 enum counter_count_mode *cnt_mode)
 {
-	const struct quad8 *const priv = counter->priv;
+	const struct quad8 *const priv = counter_priv(counter);
 
 	/* Map 104-QUAD-8 count mode to Generic Counter count mode */
 	switch (priv->count_mode[count->id]) {
@@ -614,7 +614,7 @@ static int quad8_count_mode_write(struct counter_device *counter,
 				  struct counter_count *count,
 				  enum counter_count_mode cnt_mode)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	unsigned int count_mode;
 	unsigned int mode_cfg;
 	const int base_offset = priv->base + 2 * count->id + 1;
@@ -661,7 +661,7 @@ static int quad8_count_mode_write(struct counter_device *counter,
 static int quad8_count_enable_read(struct counter_device *counter,
 				   struct counter_count *count, u8 *enable)
 {
-	const struct quad8 *const priv = counter->priv;
+	const struct quad8 *const priv = counter_priv(counter);
 
 	*enable = priv->ab_enable[count->id];
 
@@ -671,7 +671,7 @@ static int quad8_count_enable_read(struct counter_device *counter,
 static int quad8_count_enable_write(struct counter_device *counter,
 				    struct counter_count *count, u8 enable)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	const int base_offset = priv->base + 2 * count->id;
 	unsigned long irqflags;
 	unsigned int ior_cfg;
@@ -699,7 +699,7 @@ static const char *const quad8_noise_error_states[] = {
 static int quad8_error_noise_get(struct counter_device *counter,
 				 struct counter_count *count, u32 *noise_error)
 {
-	const struct quad8 *const priv = counter->priv;
+	const struct quad8 *const priv = counter_priv(counter);
 	const int base_offset = priv->base + 2 * count->id + 1;
 
 	*noise_error = !!(inb(base_offset) & QUAD8_FLAG_E);
@@ -710,7 +710,7 @@ static int quad8_error_noise_get(struct counter_device *counter,
 static int quad8_count_preset_read(struct counter_device *counter,
 				   struct counter_count *count, u64 *preset)
 {
-	const struct quad8 *const priv = counter->priv;
+	const struct quad8 *const priv = counter_priv(counter);
 
 	*preset = priv->preset[count->id];
 
@@ -736,7 +736,7 @@ static void quad8_preset_register_set(struct quad8 *const priv, const int id,
 static int quad8_count_preset_write(struct counter_device *counter,
 				    struct counter_count *count, u64 preset)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	unsigned long irqflags;
 
 	/* Only 24-bit values are supported */
@@ -755,7 +755,7 @@ static int quad8_count_preset_write(struct counter_device *counter,
 static int quad8_count_ceiling_read(struct counter_device *counter,
 				    struct counter_count *count, u64 *ceiling)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	unsigned long irqflags;
 
 	spin_lock_irqsave(&priv->lock, irqflags);
@@ -780,7 +780,7 @@ static int quad8_count_ceiling_read(struct counter_device *counter,
 static int quad8_count_ceiling_write(struct counter_device *counter,
 				     struct counter_count *count, u64 ceiling)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	unsigned long irqflags;
 
 	/* Only 24-bit values are supported */
@@ -807,7 +807,7 @@ static int quad8_count_preset_enable_read(struct counter_device *counter,
 					  struct counter_count *count,
 					  u8 *preset_enable)
 {
-	const struct quad8 *const priv = counter->priv;
+	const struct quad8 *const priv = counter_priv(counter);
 
 	*preset_enable = !priv->preset_enable[count->id];
 
@@ -818,7 +818,7 @@ static int quad8_count_preset_enable_write(struct counter_device *counter,
 					   struct counter_count *count,
 					   u8 preset_enable)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	const int base_offset = priv->base + 2 * count->id + 1;
 	unsigned long irqflags;
 	unsigned int ior_cfg;
@@ -845,7 +845,7 @@ static int quad8_signal_cable_fault_read(struct counter_device *counter,
 					 struct counter_signal *signal,
 					 u8 *cable_fault)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	const size_t channel_id = signal->id / 2;
 	unsigned long irqflags;
 	bool disabled;
@@ -875,7 +875,7 @@ static int quad8_signal_cable_fault_enable_read(struct counter_device *counter,
 						struct counter_signal *signal,
 						u8 *enable)
 {
-	const struct quad8 *const priv = counter->priv;
+	const struct quad8 *const priv = counter_priv(counter);
 	const size_t channel_id = signal->id / 2;
 
 	*enable = !!(priv->cable_fault_enable & BIT(channel_id));
@@ -887,7 +887,7 @@ static int quad8_signal_cable_fault_enable_write(struct counter_device *counter,
 						 struct counter_signal *signal,
 						 u8 enable)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	const size_t channel_id = signal->id / 2;
 	unsigned long irqflags;
 	unsigned int cable_fault_enable;
@@ -913,7 +913,7 @@ static int quad8_signal_fck_prescaler_read(struct counter_device *counter,
 					   struct counter_signal *signal,
 					   u8 *prescaler)
 {
-	const struct quad8 *const priv = counter->priv;
+	const struct quad8 *const priv = counter_priv(counter);
 
 	*prescaler = priv->fck_prescaler[signal->id / 2];
 
@@ -924,7 +924,7 @@ static int quad8_signal_fck_prescaler_write(struct counter_device *counter,
 					    struct counter_signal *signal,
 					    u8 prescaler)
 {
-	struct quad8 *const priv = counter->priv;
+	struct quad8 *const priv = counter_priv(counter);
 	const size_t channel_id = signal->id / 2;
 	const int base_offset = priv->base + 2 * channel_id;
 	unsigned long irqflags;
