Re: [PATCH v8 12/22] counter: Rename counter_count_function to counter_function

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On Fri, 12 Feb 2021 21:13:36 +0900
William Breathitt Gray <vilhelm.gray@xxxxxxxxx> wrote:

> The phrase "Counter Count function" is verbose and unintentionally
> implies that function is a Count extension. This patch adjusts the
> Counter subsystem code to use the more direct "Counter function" phrase
> to make the intent of this code clearer. The phrase "Count action" is
> adjusted herein as well for the same reason.
> 
> Cc: Syed Nayyar Waris <syednwaris@xxxxxxxxx>
> Cc: Patrick Havelange <patrick.havelange@xxxxxxxxxxxxx>
> Cc: Kamel Bouhara <kamel.bouhara@xxxxxxxxxxx>
> Cc: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
> Cc: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
> Cc: Alexandre Torgue <alexandre.torgue@xxxxxx>
> Cc: David Lechner <david@xxxxxxxxxxxxxx>
> Signed-off-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>

I agree this makes sense in the counter core code, but in the drivers
it may not be quite so obvious we are talking about a counter function
given some of the bits of hardware do a number of other things.

I guess up to the various driver maintainers on whether they
think the new meaning is clear enough!

Jonathan

> ---
>  drivers/counter/104-quad-8.c            | 62 +++++++++++-----------
>  drivers/counter/counter.c               | 38 +++++++-------
>  drivers/counter/ftm-quaddec.c           | 23 ++++-----
>  drivers/counter/microchip-tcb-capture.c | 44 ++++++++--------
>  drivers/counter/stm32-lptimer-cnt.c     | 56 ++++++++++----------
>  drivers/counter/stm32-timer-cnt.c       | 68 ++++++++++++-------------
>  drivers/counter/ti-eqep.c               | 28 +++++-----
>  include/linux/counter.h                 | 20 ++++----
>  8 files changed, 166 insertions(+), 173 deletions(-)
> 
> diff --git a/drivers/counter/104-quad-8.c b/drivers/counter/104-quad-8.c
> index ead0eeb6c846..eca3f6482719 100644
> --- a/drivers/counter/104-quad-8.c
> +++ b/drivers/counter/104-quad-8.c
> @@ -187,18 +187,18 @@ static int quad8_count_write(struct counter_device *counter,
>  	return 0;
>  }
>  
> -enum quad8_count_function {
> -	QUAD8_COUNT_FUNCTION_PULSE_DIRECTION = 0,
> -	QUAD8_COUNT_FUNCTION_QUADRATURE_X1,
> -	QUAD8_COUNT_FUNCTION_QUADRATURE_X2,
> -	QUAD8_COUNT_FUNCTION_QUADRATURE_X4
> +enum quad8_function {
> +	QUAD8_FUNCTION_PULSE_DIRECTION = 0,
> +	QUAD8_FUNCTION_QUADRATURE_X1,
> +	QUAD8_FUNCTION_QUADRATURE_X2,
> +	QUAD8_FUNCTION_QUADRATURE_X4
>  };
>  
> -static const enum counter_count_function quad8_functions_list[] = {
> -	[QUAD8_COUNT_FUNCTION_PULSE_DIRECTION] = COUNTER_COUNT_FUNCTION_PULSE_DIRECTION,
> -	[QUAD8_COUNT_FUNCTION_QUADRATURE_X1] = COUNTER_COUNT_FUNCTION_QUADRATURE_X1_A,
> -	[QUAD8_COUNT_FUNCTION_QUADRATURE_X2] = COUNTER_COUNT_FUNCTION_QUADRATURE_X2_A,
> -	[QUAD8_COUNT_FUNCTION_QUADRATURE_X4] = COUNTER_COUNT_FUNCTION_QUADRATURE_X4
> +static const enum counter_function quad8_functions_list[] = {
> +	[QUAD8_FUNCTION_PULSE_DIRECTION] = COUNTER_FUNCTION_PULSE_DIRECTION,
> +	[QUAD8_FUNCTION_QUADRATURE_X1] = COUNTER_FUNCTION_QUADRATURE_X1_A,
> +	[QUAD8_FUNCTION_QUADRATURE_X2] = COUNTER_FUNCTION_QUADRATURE_X2_A,
> +	[QUAD8_FUNCTION_QUADRATURE_X4] = COUNTER_FUNCTION_QUADRATURE_X4
>  };
>  
>  static int quad8_function_get(struct counter_device *counter,
> @@ -212,17 +212,17 @@ static int quad8_function_get(struct counter_device *counter,
>  	if (priv->quadrature_mode[id])
>  		switch (priv->quadrature_scale[id]) {
>  		case 0:
> -			*function = QUAD8_COUNT_FUNCTION_QUADRATURE_X1;
> +			*function = QUAD8_FUNCTION_QUADRATURE_X1;
>  			break;
>  		case 1:
> -			*function = QUAD8_COUNT_FUNCTION_QUADRATURE_X2;
> +			*function = QUAD8_FUNCTION_QUADRATURE_X2;
>  			break;
>  		case 2:
> -			*function = QUAD8_COUNT_FUNCTION_QUADRATURE_X4;
> +			*function = QUAD8_FUNCTION_QUADRATURE_X4;
>  			break;
>  		}
>  	else
> -		*function = QUAD8_COUNT_FUNCTION_PULSE_DIRECTION;
> +		*function = QUAD8_FUNCTION_PULSE_DIRECTION;
>  
>  	mutex_unlock(&priv->lock);
>  
> @@ -246,7 +246,7 @@ static int quad8_function_set(struct counter_device *counter,
>  	mode_cfg = priv->count_mode[id] << 1;
>  	idr_cfg = priv->index_polarity[id] << 1;
>  
> -	if (function == QUAD8_COUNT_FUNCTION_PULSE_DIRECTION) {
> +	if (function == QUAD8_FUNCTION_PULSE_DIRECTION) {
>  		*quadrature_mode = 0;
>  
>  		/* Quadrature scaling only available in quadrature mode */
> @@ -262,15 +262,15 @@ static int quad8_function_set(struct counter_device *counter,
>  		*quadrature_mode = 1;
>  
>  		switch (function) {
> -		case QUAD8_COUNT_FUNCTION_QUADRATURE_X1:
> +		case QUAD8_FUNCTION_QUADRATURE_X1:
>  			*scale = 0;
>  			mode_cfg |= QUAD8_CMR_QUADRATURE_X1;
>  			break;
> -		case QUAD8_COUNT_FUNCTION_QUADRATURE_X2:
> +		case QUAD8_FUNCTION_QUADRATURE_X2:
>  			*scale = 1;
>  			mode_cfg |= QUAD8_CMR_QUADRATURE_X2;
>  			break;
> -		case QUAD8_COUNT_FUNCTION_QUADRATURE_X4:
> +		case QUAD8_FUNCTION_QUADRATURE_X4:
>  			*scale = 2;
>  			mode_cfg |= QUAD8_CMR_QUADRATURE_X4;
>  			break;
> @@ -351,11 +351,11 @@ static int quad8_action_get(struct counter_device *counter,
>  
>  	/* Determine action mode based on current count function mode */
>  	switch (function) {
> -	case QUAD8_COUNT_FUNCTION_PULSE_DIRECTION:
> +	case QUAD8_FUNCTION_PULSE_DIRECTION:
>  		if (synapse->signal->id == signal_a_id)
>  			*action = QUAD8_SYNAPSE_ACTION_RISING_EDGE;
>  		break;
> -	case QUAD8_COUNT_FUNCTION_QUADRATURE_X1:
> +	case QUAD8_FUNCTION_QUADRATURE_X1:
>  		if (synapse->signal->id == signal_a_id) {
>  			quad8_direction_get(counter, count, &direction);
>  
> @@ -365,11 +365,11 @@ static int quad8_action_get(struct counter_device *counter,
>  				*action = QUAD8_SYNAPSE_ACTION_FALLING_EDGE;
>  		}
>  		break;
> -	case QUAD8_COUNT_FUNCTION_QUADRATURE_X2:
> +	case QUAD8_FUNCTION_QUADRATURE_X2:
>  		if (synapse->signal->id == signal_a_id)
>  			*action = QUAD8_SYNAPSE_ACTION_BOTH_EDGES;
>  		break;
> -	case QUAD8_COUNT_FUNCTION_QUADRATURE_X4:
> +	case QUAD8_FUNCTION_QUADRATURE_X4:
>  		*action = QUAD8_SYNAPSE_ACTION_BOTH_EDGES;
>  		break;
>  	default:
> @@ -1010,15 +1010,15 @@ static const struct counter_count_ext quad8_count_ext[] = {
>  	}
>  };
>  
> -#define QUAD8_COUNT(_id, _cntname) {					\
> -	.id = (_id),							\
> -	.name = (_cntname),						\
> -	.functions_list = quad8_count_functions_list,			\
> -	.num_functions = ARRAY_SIZE(quad8_count_functions_list),	\
> -	.synapses = quad8_count_synapses[(_id)],			\
> -	.num_synapses =	2,						\
> -	.ext = quad8_count_ext,						\
> -	.num_ext = ARRAY_SIZE(quad8_count_ext)				\
> +#define QUAD8_COUNT(_id, _cntname) {				\
> +	.id = (_id),						\
> +	.name = (_cntname),					\
> +	.functions_list = quad8_functions_list,			\
> +	.num_functions = ARRAY_SIZE(quad8_functions_list),	\
> +	.synapses = quad8_count_synapses[(_id)],		\
> +	.num_synapses =	2,					\
> +	.ext = quad8_count_ext,					\
> +	.num_ext = ARRAY_SIZE(quad8_count_ext)			\
>  }
>  
>  static struct counter_count quad8_counts[] = {
> diff --git a/drivers/counter/counter.c b/drivers/counter/counter.c
> index cb92673552b5..de921e8a3f72 100644
> --- a/drivers/counter/counter.c
> +++ b/drivers/counter/counter.c
> @@ -744,15 +744,15 @@ static ssize_t counter_count_store(struct device *dev,
>  	return len;
>  }
>  
> -static const char *const counter_count_function_str[] = {
> -	[COUNTER_COUNT_FUNCTION_INCREASE] = "increase",
> -	[COUNTER_COUNT_FUNCTION_DECREASE] = "decrease",
> -	[COUNTER_COUNT_FUNCTION_PULSE_DIRECTION] = "pulse-direction",
> -	[COUNTER_COUNT_FUNCTION_QUADRATURE_X1_A] = "quadrature x1 a",
> -	[COUNTER_COUNT_FUNCTION_QUADRATURE_X1_B] = "quadrature x1 b",
> -	[COUNTER_COUNT_FUNCTION_QUADRATURE_X2_A] = "quadrature x2 a",
> -	[COUNTER_COUNT_FUNCTION_QUADRATURE_X2_B] = "quadrature x2 b",
> -	[COUNTER_COUNT_FUNCTION_QUADRATURE_X4] = "quadrature x4"
> +static const char *const counter_function_str[] = {
> +	[COUNTER_FUNCTION_INCREASE] = "increase",
> +	[COUNTER_FUNCTION_DECREASE] = "decrease",
> +	[COUNTER_FUNCTION_PULSE_DIRECTION] = "pulse-direction",
> +	[COUNTER_FUNCTION_QUADRATURE_X1_A] = "quadrature x1 a",
> +	[COUNTER_FUNCTION_QUADRATURE_X1_B] = "quadrature x1 b",
> +	[COUNTER_FUNCTION_QUADRATURE_X2_A] = "quadrature x2 a",
> +	[COUNTER_FUNCTION_QUADRATURE_X2_B] = "quadrature x2 b",
> +	[COUNTER_FUNCTION_QUADRATURE_X4] = "quadrature x4"
>  };
>  
>  static ssize_t counter_function_show(struct device *dev,
> @@ -764,7 +764,7 @@ static ssize_t counter_function_show(struct device *dev,
>  	const struct counter_count_unit *const component = devattr->component;
>  	struct counter_count *const count = component->count;
>  	size_t func_index;
> -	enum counter_count_function function;
> +	enum counter_function function;
>  
>  	err = counter->ops->function_get(counter, count, &func_index);
>  	if (err)
> @@ -773,7 +773,7 @@ static ssize_t counter_function_show(struct device *dev,
>  	count->function = func_index;
>  
>  	function = count->functions_list[func_index];
> -	return sprintf(buf, "%s\n", counter_count_function_str[function]);
> +	return sprintf(buf, "%s\n", counter_function_str[function]);
>  }
>  
>  static ssize_t counter_function_store(struct device *dev,
> @@ -785,14 +785,14 @@ static ssize_t counter_function_store(struct device *dev,
>  	struct counter_count *const count = component->count;
>  	const size_t num_functions = count->num_functions;
>  	size_t func_index;
> -	enum counter_count_function function;
> +	enum counter_function function;
>  	int err;
>  	struct counter_device *const counter = dev_get_drvdata(dev);
>  
>  	/* Find requested Count function mode */
>  	for (func_index = 0; func_index < num_functions; func_index++) {
>  		function = count->functions_list[func_index];
> -		if (sysfs_streq(buf, counter_count_function_str[function]))
> +		if (sysfs_streq(buf, counter_function_str[function]))
>  			break;
>  	}
>  	/* Return error if requested Count function mode not found */
> @@ -880,25 +880,25 @@ static int counter_count_ext_register(
>  }
>  
>  struct counter_func_avail_unit {
> -	const enum counter_count_function *functions_list;
> +	const enum counter_function *functions_list;
>  	size_t num_functions;
>  };
>  
> -static ssize_t counter_count_function_available_show(struct device *dev,
> +static ssize_t counter_function_available_show(struct device *dev,
>  	struct device_attribute *attr, char *buf)
>  {
>  	const struct counter_device_attr *const devattr = to_counter_attr(attr);
>  	const struct counter_func_avail_unit *const component = devattr->component;
> -	const enum counter_count_function *const func_list = component->functions_list;
> +	const enum counter_function *const func_list = component->functions_list;
>  	const size_t num_functions = component->num_functions;
>  	size_t i;
> -	enum counter_count_function function;
> +	enum counter_function function;
>  	ssize_t len = 0;
>  
>  	for (i = 0; i < num_functions; i++) {
>  		function = func_list[i];
>  		len += sprintf(buf + len, "%s\n",
> -			       counter_count_function_str[function]);
> +			       counter_function_str[function]);
>  	}
>  
>  	return len;
> @@ -968,7 +968,7 @@ static int counter_count_attributes_create(
>  	parm.group = group;
>  	parm.prefix = "";
>  	parm.name = "function_available";
> -	parm.show = counter_count_function_available_show;
> +	parm.show = counter_function_available_show;
>  	parm.store = NULL;
>  	parm.component = avail_comp;
>  	err = counter_attribute_create(&parm);
> diff --git a/drivers/counter/ftm-quaddec.c b/drivers/counter/ftm-quaddec.c
> index 9371532406ca..97599061ca31 100644
> --- a/drivers/counter/ftm-quaddec.c
> +++ b/drivers/counter/ftm-quaddec.c
> @@ -167,13 +167,12 @@ static const enum counter_synapse_action ftm_quaddec_synapse_actions[] = {
>  	COUNTER_SYNAPSE_ACTION_BOTH_EDGES
>  };
>  
> -enum ftm_quaddec_count_function {
> -	FTM_QUADDEC_COUNT_ENCODER_MODE_1,
> +enum ftm_quaddec_function {
> +	FTM_QUADDEC_ENCODER_MODE_1,
>  };
>  
> -static const enum counter_count_function ftm_quaddec_count_functions[] = {
> -	[FTM_QUADDEC_COUNT_ENCODER_MODE_1] =
> -	COUNTER_COUNT_FUNCTION_QUADRATURE_X4
> +static const enum counter_function ftm_quaddec_functions[] = {
> +	[FTM_QUADDEC_ENCODER_MODE_1] = COUNTER_FUNCTION_QUADRATURE_X4
>  };
>  
>  static int ftm_quaddec_count_read(struct counter_device *counter,
> @@ -206,11 +205,11 @@ static int ftm_quaddec_count_write(struct counter_device *counter,
>  	return 0;
>  }
>  
> -static int ftm_quaddec_count_function_get(struct counter_device *counter,
> -					  struct counter_count *count,
> -					  size_t *function)
> +static int ftm_quaddec_function_get(struct counter_device *counter,
> +				    struct counter_count *count,
> +				    size_t *function)
>  {
> -	*function = FTM_QUADDEC_COUNT_ENCODER_MODE_1;
> +	*function = FTM_QUADDEC_ENCODER_MODE_1;
>  
>  	return 0;
>  }
> @@ -228,7 +227,7 @@ static int ftm_quaddec_action_get(struct counter_device *counter,
>  static const struct counter_ops ftm_quaddec_cnt_ops = {
>  	.count_read = ftm_quaddec_count_read,
>  	.count_write = ftm_quaddec_count_write,
> -	.function_get = ftm_quaddec_count_function_get,
> +	.function_get = ftm_quaddec_function_get,
>  	.action_get = ftm_quaddec_action_get,
>  };
>  
> @@ -264,8 +263,8 @@ static const struct counter_count_ext ftm_quaddec_count_ext[] = {
>  static struct counter_count ftm_quaddec_counts = {
>  	.id = 0,
>  	.name = "Channel 1 Count",
> -	.functions_list = ftm_quaddec_count_functions,
> -	.num_functions = ARRAY_SIZE(ftm_quaddec_count_functions),
> +	.functions_list = ftm_quaddec_functions,
> +	.num_functions = ARRAY_SIZE(ftm_quaddec_functions),
>  	.synapses = ftm_quaddec_count_synapses,
>  	.num_synapses = ARRAY_SIZE(ftm_quaddec_count_synapses),
>  	.ext = ftm_quaddec_count_ext,
> diff --git a/drivers/counter/microchip-tcb-capture.c b/drivers/counter/microchip-tcb-capture.c
> index f56c4e328018..d4cfaffe9499 100644
> --- a/drivers/counter/microchip-tcb-capture.c
> +++ b/drivers/counter/microchip-tcb-capture.c
> @@ -32,14 +32,14 @@ struct mchp_tc_data {
>  	bool trig_inverted;
>  };
>  
> -enum mchp_tc_count_function {
> +enum mchp_tc_function {
>  	MCHP_TC_FUNCTION_INCREASE,
>  	MCHP_TC_FUNCTION_QUADRATURE,
>  };
>  
> -static enum counter_count_function mchp_tc_count_functions[] = {
> -	[MCHP_TC_FUNCTION_INCREASE] = COUNTER_COUNT_FUNCTION_INCREASE,
> -	[MCHP_TC_FUNCTION_QUADRATURE] = COUNTER_COUNT_FUNCTION_QUADRATURE_X4,
> +static enum counter_function mchp_tc_functions[] = {
> +	[MCHP_TC_FUNCTION_INCREASE] = COUNTER_FUNCTION_INCREASE,
> +	[MCHP_TC_FUNCTION_QUADRATURE] = COUNTER_FUNCTION_QUADRATURE_X4,
>  };
>  
>  enum mchp_tc_synapse_action {
> @@ -80,9 +80,8 @@ static struct counter_synapse mchp_tc_count_synapses[] = {
>  	}
>  };
>  
> -static int mchp_tc_count_function_get(struct counter_device *counter,
> -				      struct counter_count *count,
> -				      size_t *function)
> +static int mchp_tc_function_get(struct counter_device *counter,
> +				struct counter_count *count, size_t *function)
>  {
>  	struct mchp_tc_data *const priv = counter->priv;
>  
> @@ -94,9 +93,8 @@ static int mchp_tc_count_function_get(struct counter_device *counter,
>  	return 0;
>  }
>  
> -static int mchp_tc_count_function_set(struct counter_device *counter,
> -				      struct counter_count *count,
> -				      size_t function)
> +static int mchp_tc_function_set(struct counter_device *counter,
> +				struct counter_count *count, size_t function)
>  {
>  	struct mchp_tc_data *const priv = counter->priv;
>  	u32 bmr, cmr;
> @@ -176,10 +174,9 @@ static int mchp_tc_count_signal_read(struct counter_device *counter,
>  	return 0;
>  }
>  
> -static int mchp_tc_count_action_get(struct counter_device *counter,
> -				    struct counter_count *count,
> -				    struct counter_synapse *synapse,
> -				    size_t *action)
> +static int mchp_tc_action_get(struct counter_device *counter,
> +			      struct counter_count *count,
> +			      struct counter_synapse *synapse, size_t *action)
>  {
>  	struct mchp_tc_data *const priv = counter->priv;
>  	u32 cmr;
> @@ -204,10 +201,9 @@ static int mchp_tc_count_action_get(struct counter_device *counter,
>  	return 0;
>  }
>  
> -static int mchp_tc_count_action_set(struct counter_device *counter,
> -				    struct counter_count *count,
> -				    struct counter_synapse *synapse,
> -				    size_t action)
> +static int mchp_tc_action_set(struct counter_device *counter,
> +			      struct counter_count *count,
> +			      struct counter_synapse *synapse, size_t action)
>  {
>  	struct mchp_tc_data *const priv = counter->priv;
>  	u32 edge = ATMEL_TC_ETRGEDG_NONE;
> @@ -256,8 +252,8 @@ static struct counter_count mchp_tc_counts[] = {
>  	{
>  		.id = 0,
>  		.name = "Timer Counter",
> -		.functions_list = mchp_tc_count_functions,
> -		.num_functions = ARRAY_SIZE(mchp_tc_count_functions),
> +		.functions_list = mchp_tc_functions,
> +		.num_functions = ARRAY_SIZE(mchp_tc_functions),
>  		.synapses = mchp_tc_count_synapses,
>  		.num_synapses = ARRAY_SIZE(mchp_tc_count_synapses),
>  	},
> @@ -266,10 +262,10 @@ static struct counter_count mchp_tc_counts[] = {
>  static const struct counter_ops mchp_tc_ops = {
>  	.signal_read  = mchp_tc_count_signal_read,
>  	.count_read   = mchp_tc_count_read,
> -	.function_get = mchp_tc_count_function_get,
> -	.function_set = mchp_tc_count_function_set,
> -	.action_get   = mchp_tc_count_action_get,
> -	.action_set   = mchp_tc_count_action_set
> +	.function_get = mchp_tc_function_get,
> +	.function_set = mchp_tc_function_set,
> +	.action_get   = mchp_tc_action_get,
> +	.action_set   = mchp_tc_action_set
>  };
>  
>  static const struct atmel_tcb_config tcb_rm9200_config = {
> diff --git a/drivers/counter/stm32-lptimer-cnt.c b/drivers/counter/stm32-lptimer-cnt.c
> index d5f9d580d06d..31477c6a0611 100644
> --- a/drivers/counter/stm32-lptimer-cnt.c
> +++ b/drivers/counter/stm32-lptimer-cnt.c
> @@ -108,7 +108,7 @@ static int stm32_lptim_setup(struct stm32_lptim_cnt *priv, int enable)
>  }
>  
>  /**
> - * enum stm32_lptim_cnt_function - enumerates LPTimer counter & encoder modes
> + * enum stm32_lptim_function - enumerates LPTimer counter & encoder modes
>   * @STM32_LPTIM_COUNTER_INCREASE: up count on IN1 rising, falling or both edges
>   * @STM32_LPTIM_ENCODER_BOTH_EDGE: count on both edges (IN1 & IN2 quadrature)
>   *
> @@ -129,14 +129,14 @@ static int stm32_lptim_setup(struct stm32_lptim_cnt *priv, int enable)
>   * | edges   | Low  ->  |   Up     |   Down  |   Down   |   Up    |
>   * +---------+----------+----------+---------+----------+---------+
>   */
> -enum stm32_lptim_cnt_function {
> +enum stm32_lptim_function {
>  	STM32_LPTIM_COUNTER_INCREASE,
>  	STM32_LPTIM_ENCODER_BOTH_EDGE,
>  };
>  
> -static enum counter_count_function stm32_lptim_cnt_functions[] = {
> -	[STM32_LPTIM_COUNTER_INCREASE] = COUNTER_COUNT_FUNCTION_INCREASE,
> -	[STM32_LPTIM_ENCODER_BOTH_EDGE] = COUNTER_COUNT_FUNCTION_QUADRATURE_X4,
> +static enum counter_function stm32_lptim_functions[] = {
> +	[STM32_LPTIM_COUNTER_INCREASE] = COUNTER_FUNCTION_INCREASE,
> +	[STM32_LPTIM_ENCODER_BOTH_EDGE] = COUNTER_FUNCTION_QUADRATURE_X4,
>  };
>  
>  enum stm32_lptim_synapse_action {
> @@ -170,9 +170,9 @@ static int stm32_lptim_cnt_read(struct counter_device *counter,
>  	return 0;
>  }
>  
> -static int stm32_lptim_cnt_function_get(struct counter_device *counter,
> -					struct counter_count *count,
> -					size_t *function)
> +static int stm32_lptim_function_get(struct counter_device *counter,
> +				    struct counter_count *count,
> +				    size_t *function)
>  {
>  	struct stm32_lptim_cnt *const priv = counter->priv;
>  
> @@ -189,9 +189,9 @@ static int stm32_lptim_cnt_function_get(struct counter_device *counter,
>  	return -EINVAL;
>  }
>  
> -static int stm32_lptim_cnt_function_set(struct counter_device *counter,
> -					struct counter_count *count,
> -					size_t function)
> +static int stm32_lptim_function_set(struct counter_device *counter,
> +				    struct counter_count *count,
> +				    size_t function)
>  {
>  	struct stm32_lptim_cnt *const priv = counter->priv;
>  
> @@ -303,16 +303,16 @@ static const struct counter_count_ext stm32_lptim_cnt_ext[] = {
>  	},
>  };
>  
> -static int stm32_lptim_cnt_action_get(struct counter_device *counter,
> -				      struct counter_count *count,
> -				      struct counter_synapse *synapse,
> -				      size_t *action)
> +static int stm32_lptim_action_get(struct counter_device *counter,
> +				  struct counter_count *count,
> +				  struct counter_synapse *synapse,
> +				  size_t *action)
>  {
>  	struct stm32_lptim_cnt *const priv = counter->priv;
>  	size_t function;
>  	int err;
>  
> -	err = stm32_lptim_cnt_function_get(counter, count, &function);
> +	err = stm32_lptim_function_get(counter, count, &function);
>  	if (err)
>  		return err;
>  
> @@ -333,10 +333,10 @@ static int stm32_lptim_cnt_action_get(struct counter_device *counter,
>  	}
>  }
>  
> -static int stm32_lptim_cnt_action_set(struct counter_device *counter,
> -				      struct counter_count *count,
> -				      struct counter_synapse *synapse,
> -				      size_t action)
> +static int stm32_lptim_action_set(struct counter_device *counter,
> +				  struct counter_count *count,
> +				  struct counter_synapse *synapse,
> +				  size_t action)
>  {
>  	struct stm32_lptim_cnt *const priv = counter->priv;
>  	size_t function;
> @@ -345,7 +345,7 @@ static int stm32_lptim_cnt_action_set(struct counter_device *counter,
>  	if (stm32_lptim_is_enabled(priv))
>  		return -EBUSY;
>  
> -	err = stm32_lptim_cnt_function_get(counter, count, &function);
> +	err = stm32_lptim_function_get(counter, count, &function);
>  	if (err)
>  		return err;
>  
> @@ -366,10 +366,10 @@ static int stm32_lptim_cnt_action_set(struct counter_device *counter,
>  
>  static const struct counter_ops stm32_lptim_cnt_ops = {
>  	.count_read = stm32_lptim_cnt_read,
> -	.function_get = stm32_lptim_cnt_function_get,
> -	.function_set = stm32_lptim_cnt_function_set,
> -	.action_get = stm32_lptim_cnt_action_get,
> -	.action_set = stm32_lptim_cnt_action_set,
> +	.function_get = stm32_lptim_function_get,
> +	.function_set = stm32_lptim_function_set,
> +	.action_get = stm32_lptim_action_get,
> +	.action_set = stm32_lptim_action_set,
>  };
>  
>  static struct counter_signal stm32_lptim_cnt_signals[] = {
> @@ -400,8 +400,8 @@ static struct counter_synapse stm32_lptim_cnt_synapses[] = {
>  static struct counter_count stm32_lptim_enc_counts = {
>  	.id = 0,
>  	.name = "LPTimer Count",
> -	.functions_list = stm32_lptim_cnt_functions,
> -	.num_functions = ARRAY_SIZE(stm32_lptim_cnt_functions),
> +	.functions_list = stm32_lptim_functions,
> +	.num_functions = ARRAY_SIZE(stm32_lptim_functions),
>  	.synapses = stm32_lptim_cnt_synapses,
>  	.num_synapses = ARRAY_SIZE(stm32_lptim_cnt_synapses),
>  	.ext = stm32_lptim_cnt_ext,
> @@ -412,7 +412,7 @@ static struct counter_count stm32_lptim_enc_counts = {
>  static struct counter_count stm32_lptim_in1_counts = {
>  	.id = 0,
>  	.name = "LPTimer Count",
> -	.functions_list = stm32_lptim_cnt_functions,
> +	.functions_list = stm32_lptim_functions,
>  	.num_functions = 1,
>  	.synapses = stm32_lptim_cnt_synapses,
>  	.num_synapses = 1,
> diff --git a/drivers/counter/stm32-timer-cnt.c b/drivers/counter/stm32-timer-cnt.c
> index 431a3d08ed6c..02a7c8bd77df 100644
> --- a/drivers/counter/stm32-timer-cnt.c
> +++ b/drivers/counter/stm32-timer-cnt.c
> @@ -37,23 +37,23 @@ struct stm32_timer_cnt {
>  };
>  
>  /**
> - * enum stm32_count_function - enumerates stm32 timer counter encoder modes
> - * @STM32_COUNT_SLAVE_MODE_DISABLED: counts on internal clock when CEN=1
> - * @STM32_COUNT_ENCODER_MODE_1: counts TI1FP1 edges, depending on TI2FP2 level
> - * @STM32_COUNT_ENCODER_MODE_2: counts TI2FP2 edges, depending on TI1FP1 level
> - * @STM32_COUNT_ENCODER_MODE_3: counts on both TI1FP1 and TI2FP2 edges
> + * enum stm32_function - enumerates stm32 timer counter encoder modes
> + * @STM32_SLAVE_MODE_DISABLED: counts on internal clock when CEN=1
> + * @STM32_ENCODER_MODE_1: counts TI1FP1 edges, depending on TI2FP2 level
> + * @STM32_ENCODER_MODE_2: counts TI2FP2 edges, depending on TI1FP1 level
> + * @STM32_ENCODER_MODE_3: counts on both TI1FP1 and TI2FP2 edges
>   */
> -enum stm32_count_function {
> -	STM32_COUNT_SLAVE_MODE_DISABLED = -1,
> -	STM32_COUNT_ENCODER_MODE_1,
> -	STM32_COUNT_ENCODER_MODE_2,
> -	STM32_COUNT_ENCODER_MODE_3,
> +enum stm32_function {
> +	STM32_SLAVE_MODE_DISABLED = -1,
> +	STM32_ENCODER_MODE_1,
> +	STM32_ENCODER_MODE_2,
> +	STM32_ENCODER_MODE_3,
>  };
>  
> -static enum counter_count_function stm32_count_functions[] = {
> -	[STM32_COUNT_ENCODER_MODE_1] = COUNTER_COUNT_FUNCTION_QUADRATURE_X2_A,
> -	[STM32_COUNT_ENCODER_MODE_2] = COUNTER_COUNT_FUNCTION_QUADRATURE_X2_B,
> -	[STM32_COUNT_ENCODER_MODE_3] = COUNTER_COUNT_FUNCTION_QUADRATURE_X4,
> +static enum counter_function stm32_functions[] = {
> +	[STM32_ENCODER_MODE_1] = COUNTER_FUNCTION_QUADRATURE_X2_A,
> +	[STM32_ENCODER_MODE_2] = COUNTER_FUNCTION_QUADRATURE_X2_B,
> +	[STM32_ENCODER_MODE_3] = COUNTER_FUNCTION_QUADRATURE_X4,
>  };
>  
>  static int stm32_count_read(struct counter_device *counter,
> @@ -80,9 +80,8 @@ static int stm32_count_write(struct counter_device *counter,
>  	return regmap_write(priv->regmap, TIM_CNT, val);
>  }
>  
> -static int stm32_count_function_get(struct counter_device *counter,
> -				    struct counter_count *count,
> -				    size_t *function)
> +static int stm32_function_get(struct counter_device *counter,
> +			      struct counter_count *count, size_t *function)
>  {
>  	struct stm32_timer_cnt *const priv = counter->priv;
>  	u32 smcr;
> @@ -91,34 +90,33 @@ static int stm32_count_function_get(struct counter_device *counter,
>  
>  	switch (smcr & TIM_SMCR_SMS) {
>  	case 1:
> -		*function = STM32_COUNT_ENCODER_MODE_1;
> +		*function = STM32_ENCODER_MODE_1;
>  		return 0;
>  	case 2:
> -		*function = STM32_COUNT_ENCODER_MODE_2;
> +		*function = STM32_ENCODER_MODE_2;
>  		return 0;
>  	case 3:
> -		*function = STM32_COUNT_ENCODER_MODE_3;
> +		*function = STM32_ENCODER_MODE_3;
>  		return 0;
>  	}
>  
>  	return -EINVAL;
>  }
>  
> -static int stm32_count_function_set(struct counter_device *counter,
> -				    struct counter_count *count,
> -				    size_t function)
> +static int stm32_function_set(struct counter_device *counter,
> +			      struct counter_count *count, size_t function)
>  {
>  	struct stm32_timer_cnt *const priv = counter->priv;
>  	u32 cr1, sms;
>  
>  	switch (function) {
> -	case STM32_COUNT_ENCODER_MODE_1:
> +	case STM32_ENCODER_MODE_1:
>  		sms = 1;
>  		break;
> -	case STM32_COUNT_ENCODER_MODE_2:
> +	case STM32_ENCODER_MODE_2:
>  		sms = 2;
>  		break;
> -	case STM32_COUNT_ENCODER_MODE_3:
> +	case STM32_ENCODER_MODE_3:
>  		sms = 3;
>  		break;
>  	default:
> @@ -274,25 +272,25 @@ static int stm32_action_get(struct counter_device *counter,
>  	size_t function;
>  	int err;
>  
> -	/* Default action mode (e.g. STM32_COUNT_SLAVE_MODE_DISABLED) */
> +	/* Default action mode (e.g. STM32_SLAVE_MODE_DISABLED) */
>  	*action = STM32_SYNAPSE_ACTION_NONE;
>  
> -	err = stm32_count_function_get(counter, count, &function);
> +	err = stm32_function_get(counter, count, &function);
>  	if (err)
>  		return 0;
>  
>  	switch (function) {
> -	case STM32_COUNT_ENCODER_MODE_1:
> +	case STM32_ENCODER_MODE_1:
>  		/* counts up/down on TI1FP1 edge depending on TI2FP2 level */
>  		if (synapse->signal->id == count->synapses[0].signal->id)
>  			*action = STM32_SYNAPSE_ACTION_BOTH_EDGES;
>  		break;
> -	case STM32_COUNT_ENCODER_MODE_2:
> +	case STM32_ENCODER_MODE_2:
>  		/* counts up/down on TI2FP2 edge depending on TI1FP1 level */
>  		if (synapse->signal->id == count->synapses[1].signal->id)
>  			*action = STM32_SYNAPSE_ACTION_BOTH_EDGES;
>  		break;
> -	case STM32_COUNT_ENCODER_MODE_3:
> +	case STM32_ENCODER_MODE_3:
>  		/* counts up/down on both TI1FP1 and TI2FP2 edges */
>  		*action = STM32_SYNAPSE_ACTION_BOTH_EDGES;
>  		break;
> @@ -307,8 +305,8 @@ static int stm32_action_get(struct counter_device *counter,
>  static const struct counter_ops stm32_timer_cnt_ops = {
>  	.count_read = stm32_count_read,
>  	.count_write = stm32_count_write,
> -	.function_get = stm32_count_function_get,
> -	.function_set = stm32_count_function_set,
> +	.function_get = stm32_function_get,
> +	.function_set = stm32_function_set,
>  	.action_get = stm32_action_get,
>  };
>  
> @@ -339,8 +337,8 @@ static struct counter_synapse stm32_count_synapses[] = {
>  static struct counter_count stm32_counts = {
>  	.id = 0,
>  	.name = "Channel 1 Count",
> -	.functions_list = stm32_count_functions,
> -	.num_functions = ARRAY_SIZE(stm32_count_functions),
> +	.functions_list = stm32_functions,
> +	.num_functions = ARRAY_SIZE(stm32_functions),
>  	.synapses = stm32_count_synapses,
>  	.num_synapses = ARRAY_SIZE(stm32_count_synapses),
>  	.ext = stm32_count_ext,
> diff --git a/drivers/counter/ti-eqep.c b/drivers/counter/ti-eqep.c
> index 7844fdf78a97..8d45b0443610 100644
> --- a/drivers/counter/ti-eqep.c
> +++ b/drivers/counter/ti-eqep.c
> @@ -73,11 +73,11 @@ enum {
>  };
>  
>  /* Position Counter Input Modes */
> -enum {
> -	TI_EQEP_COUNT_FUNC_QUAD_COUNT,
> -	TI_EQEP_COUNT_FUNC_DIR_COUNT,
> -	TI_EQEP_COUNT_FUNC_UP_COUNT,
> -	TI_EQEP_COUNT_FUNC_DOWN_COUNT,
> +enum ti_eqep_function {
> +	TI_EQEP_FUNCTION_QUAD_COUNT,
> +	TI_EQEP_FUNCTION_DIR_COUNT,
> +	TI_EQEP_FUNCTION_UP_COUNT,
> +	TI_EQEP_FUNCTION_DOWN_COUNT,
>  };
>  
>  enum {
> @@ -152,13 +152,13 @@ static int ti_eqep_action_get(struct counter_device *counter,
>  		return err;
>  
>  	switch (function) {
> -	case TI_EQEP_COUNT_FUNC_QUAD_COUNT:
> +	case TI_EQEP_FUNCTION_QUAD_COUNT:
>  		/* In quadrature mode, the rising and falling edge of both
>  		 * QEPA and QEPB trigger QCLK.
>  		 */
>  		*action = TI_EQEP_SYNAPSE_ACTION_BOTH_EDGES;
>  		break;
> -	case TI_EQEP_COUNT_FUNC_DIR_COUNT:
> +	case TI_EQEP_FUNCTION_DIR_COUNT:
>  		/* In direction-count mode only rising edge of QEPA is counted
>  		 * and QEPB gives direction.
>  		 */
> @@ -171,8 +171,8 @@ static int ti_eqep_action_get(struct counter_device *counter,
>  			break;
>  		}
>  		break;
> -	case TI_EQEP_COUNT_FUNC_UP_COUNT:
> -	case TI_EQEP_COUNT_FUNC_DOWN_COUNT:
> +	case TI_EQEP_FUNCTION_UP_COUNT:
> +	case TI_EQEP_FUNCTION_DOWN_COUNT:
>  		/* In up/down-count modes only QEPA is counted and QEPB is not
>  		 * used.
>  		 */
> @@ -327,11 +327,11 @@ static struct counter_signal ti_eqep_signals[] = {
>  	},
>  };
>  
> -static const enum counter_count_function ti_eqep_position_functions[] = {
> -	[TI_EQEP_COUNT_FUNC_QUAD_COUNT]	= COUNTER_COUNT_FUNCTION_QUADRATURE_X4,
> -	[TI_EQEP_COUNT_FUNC_DIR_COUNT]	= COUNTER_COUNT_FUNCTION_PULSE_DIRECTION,
> -	[TI_EQEP_COUNT_FUNC_UP_COUNT]	= COUNTER_COUNT_FUNCTION_INCREASE,
> -	[TI_EQEP_COUNT_FUNC_DOWN_COUNT]	= COUNTER_COUNT_FUNCTION_DECREASE,
> +static const enum counter_function ti_eqep_position_functions[] = {
> +	[TI_EQEP_FUNCTION_QUAD_COUNT]	= COUNTER_FUNCTION_QUADRATURE_X4,
> +	[TI_EQEP_FUNCTION_DIR_COUNT]	= COUNTER_FUNCTION_PULSE_DIRECTION,
> +	[TI_EQEP_FUNCTION_UP_COUNT]	= COUNTER_FUNCTION_INCREASE,
> +	[TI_EQEP_FUNCTION_DOWN_COUNT]	= COUNTER_FUNCTION_DECREASE,
>  };
>  
>  static const enum counter_synapse_action ti_eqep_position_synapse_actions[] = {
> diff --git a/include/linux/counter.h b/include/linux/counter.h
> index 79f5dcaf6ba0..d16ce2819b48 100644
> --- a/include/linux/counter.h
> +++ b/include/linux/counter.h
> @@ -162,15 +162,15 @@ struct counter_count_ext {
>  	void *priv;
>  };
>  
> -enum counter_count_function {
> -	COUNTER_COUNT_FUNCTION_INCREASE = 0,
> -	COUNTER_COUNT_FUNCTION_DECREASE,
> -	COUNTER_COUNT_FUNCTION_PULSE_DIRECTION,
> -	COUNTER_COUNT_FUNCTION_QUADRATURE_X1_A,
> -	COUNTER_COUNT_FUNCTION_QUADRATURE_X1_B,
> -	COUNTER_COUNT_FUNCTION_QUADRATURE_X2_A,
> -	COUNTER_COUNT_FUNCTION_QUADRATURE_X2_B,
> -	COUNTER_COUNT_FUNCTION_QUADRATURE_X4
> +enum counter_function {
> +	COUNTER_FUNCTION_INCREASE = 0,
> +	COUNTER_FUNCTION_DECREASE,
> +	COUNTER_FUNCTION_PULSE_DIRECTION,
> +	COUNTER_FUNCTION_QUADRATURE_X1_A,
> +	COUNTER_FUNCTION_QUADRATURE_X1_B,
> +	COUNTER_FUNCTION_QUADRATURE_X2_A,
> +	COUNTER_FUNCTION_QUADRATURE_X2_B,
> +	COUNTER_FUNCTION_QUADRATURE_X4
>  };
>  
>  /**
> @@ -192,7 +192,7 @@ struct counter_count {
>  	const char *name;
>  
>  	size_t function;
> -	const enum counter_count_function *functions_list;
> +	const enum counter_function *functions_list;
>  	size_t num_functions;
>  
>  	struct counter_synapse *synapses;




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