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Message-ID: <d0927ed2-29e3-e922-297c-447452b822b6@foss.st.com>
Date: Mon, 22 Mar 2021 17:31:32 +0100
From: Fabrice Gasnier <fabrice.gasnier@...s.st.com>
To: William Breathitt Gray <vilhelm.gray@...il.com>, <jic23@...nel.org>
CC: <kamel.bouhara@...tlin.com>, <gwendal@...omium.org>,
<david@...hnology.com>, <linux-iio@...r.kernel.org>,
<patrick.havelange@...ensium.com>, <alexandre.belloni@...tlin.com>,
<mcoquelin.stm32@...il.com>, <linux-kernel@...r.kernel.org>,
<o.rempel@...gutronix.de>, <kernel@...gutronix.de>,
<fabrice.gasnier@...com>, <syednwaris@...il.com>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>, <alexandre.torgue@...com>
Subject: Re: [Linux-stm32] [PATCH v10 21/33] counter: Rename
counter_count_function to counter_function
On 3/19/21 12:00 PM, William Breathitt Gray 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.
>
> Cc: Syed Nayyar Waris <syednwaris@...il.com>
> Cc: Patrick Havelange <patrick.havelange@...ensium.com>
> Cc: Oleksij Rempel <o.rempel@...gutronix.de>
> Cc: Kamel Bouhara <kamel.bouhara@...tlin.com>
> Cc: Fabrice Gasnier <fabrice.gasnier@...com>
> Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>
> Cc: Alexandre Torgue <alexandre.torgue@...com>
> Cc: David Lechner <david@...hnology.com>
> Signed-off-by: William Breathitt Gray <vilhelm.gray@...il.com>
> ---
> drivers/counter/104-quad-8.c | 10 +++----
> drivers/counter/counter.c | 38 ++++++++++++-------------
> drivers/counter/ftm-quaddec.c | 5 ++--
> drivers/counter/interrupt-cnt.c | 4 +--
> drivers/counter/microchip-tcb-capture.c | 4 +--
> drivers/counter/stm32-lptimer-cnt.c | 6 ++--
> drivers/counter/stm32-timer-cnt.c | 10 +++----
Hi William,
For the STM32 drivers, you can add my:
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@...s.st.com>
Thanks,
Fabrice
> drivers/counter/ti-eqep.c | 10 +++----
> include/linux/counter.h | 20 ++++++-------
> 9 files changed, 53 insertions(+), 54 deletions(-)
>
> diff --git a/drivers/counter/104-quad-8.c b/drivers/counter/104-quad-8.c
> index fb0f021c0751..5a49ace2d4a6 100644
> --- a/drivers/counter/104-quad-8.c
> +++ b/drivers/counter/104-quad-8.c
> @@ -194,11 +194,11 @@ enum quad8_count_function {
> QUAD8_COUNT_FUNCTION_QUADRATURE_X4
> };
>
> -static const enum counter_count_function quad8_count_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_count_functions_list[] = {
> + [QUAD8_COUNT_FUNCTION_PULSE_DIRECTION] = COUNTER_FUNCTION_PULSE_DIRECTION,
> + [QUAD8_COUNT_FUNCTION_QUADRATURE_X1] = COUNTER_FUNCTION_QUADRATURE_X1_A,
> + [QUAD8_COUNT_FUNCTION_QUADRATURE_X2] = COUNTER_FUNCTION_QUADRATURE_X2_A,
> + [QUAD8_COUNT_FUNCTION_QUADRATURE_X4] = COUNTER_FUNCTION_QUADRATURE_X4
> };
>
> static int quad8_function_get(struct counter_device *counter,
> 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..53c15f84909b 100644
> --- a/drivers/counter/ftm-quaddec.c
> +++ b/drivers/counter/ftm-quaddec.c
> @@ -171,9 +171,8 @@ enum ftm_quaddec_count_function {
> FTM_QUADDEC_COUNT_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_count_functions[] = {
> + [FTM_QUADDEC_COUNT_ENCODER_MODE_1] = COUNTER_FUNCTION_QUADRATURE_X4
> };
>
> static int ftm_quaddec_count_read(struct counter_device *counter,
> diff --git a/drivers/counter/interrupt-cnt.c b/drivers/counter/interrupt-cnt.c
> index cce579c1c6ae..3dbb8acc67eb 100644
> --- a/drivers/counter/interrupt-cnt.c
> +++ b/drivers/counter/interrupt-cnt.c
> @@ -115,8 +115,8 @@ static int interrupt_cnt_write(struct counter_device *counter,
> return 0;
> }
>
> -static const enum counter_count_function interrupt_cnt_functions[] = {
> - COUNTER_COUNT_FUNCTION_INCREASE,
> +static const enum counter_function interrupt_cnt_functions[] = {
> + COUNTER_FUNCTION_INCREASE,
> };
>
> static int interrupt_cnt_function_get(struct counter_device *counter,
> diff --git a/drivers/counter/microchip-tcb-capture.c b/drivers/counter/microchip-tcb-capture.c
> index 6be3adf74114..4c57d43e7d66 100644
> --- a/drivers/counter/microchip-tcb-capture.c
> +++ b/drivers/counter/microchip-tcb-capture.c
> @@ -38,8 +38,8 @@ enum mchp_tc_count_function {
> };
>
> static const 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,
> + [MCHP_TC_FUNCTION_INCREASE] = COUNTER_FUNCTION_INCREASE,
> + [MCHP_TC_FUNCTION_QUADRATURE] = COUNTER_FUNCTION_QUADRATURE_X4,
> };
>
> enum mchp_tc_synapse_action {
> diff --git a/drivers/counter/stm32-lptimer-cnt.c b/drivers/counter/stm32-lptimer-cnt.c
> index 49aeb9e393f3..13656957c45f 100644
> --- a/drivers/counter/stm32-lptimer-cnt.c
> +++ b/drivers/counter/stm32-lptimer-cnt.c
> @@ -134,9 +134,9 @@ enum stm32_lptim_cnt_function {
> STM32_LPTIM_ENCODER_BOTH_EDGE,
> };
>
> -static const 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 const enum counter_function stm32_lptim_cnt_functions[] = {
> + [STM32_LPTIM_COUNTER_INCREASE] = COUNTER_FUNCTION_INCREASE,
> + [STM32_LPTIM_ENCODER_BOTH_EDGE] = COUNTER_FUNCTION_QUADRATURE_X4,
> };
>
> enum stm32_lptim_synapse_action {
> diff --git a/drivers/counter/stm32-timer-cnt.c b/drivers/counter/stm32-timer-cnt.c
> index 603b30ada839..3fb0debd7425 100644
> --- a/drivers/counter/stm32-timer-cnt.c
> +++ b/drivers/counter/stm32-timer-cnt.c
> @@ -50,11 +50,11 @@ enum stm32_count_function {
> STM32_COUNT_ENCODER_MODE_3,
> };
>
> -static const enum counter_count_function stm32_count_functions[] = {
> - [STM32_COUNT_SLAVE_MODE_DISABLED] = COUNTER_COUNT_FUNCTION_INCREASE,
> - [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 const enum counter_function stm32_count_functions[] = {
> + [STM32_COUNT_SLAVE_MODE_DISABLED] = COUNTER_FUNCTION_INCREASE,
> + [STM32_COUNT_ENCODER_MODE_1] = COUNTER_FUNCTION_QUADRATURE_X2_A,
> + [STM32_COUNT_ENCODER_MODE_2] = COUNTER_FUNCTION_QUADRATURE_X2_B,
> + [STM32_COUNT_ENCODER_MODE_3] = COUNTER_FUNCTION_QUADRATURE_X4,
> };
>
> static int stm32_count_read(struct counter_device *counter,
> diff --git a/drivers/counter/ti-eqep.c b/drivers/counter/ti-eqep.c
> index 878725c2f010..04be25ebf4a4 100644
> --- a/drivers/counter/ti-eqep.c
> +++ b/drivers/counter/ti-eqep.c
> @@ -284,11 +284,11 @@ 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_COUNT_FUNC_QUAD_COUNT] = COUNTER_FUNCTION_QUADRATURE_X4,
> + [TI_EQEP_COUNT_FUNC_DIR_COUNT] = COUNTER_FUNCTION_PULSE_DIRECTION,
> + [TI_EQEP_COUNT_FUNC_UP_COUNT] = COUNTER_FUNCTION_INCREASE,
> + [TI_EQEP_COUNT_FUNC_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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