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Date: Mon, 5 Jul 2021 17:18:55 +0900
From: William Breathitt Gray <vilhelm.gray@...il.com>
To: jic23@...nel.org
Cc: linux-stm32@...md-mailman.stormreply.com, kernel@...gutronix.de,
a.fatoum@...gutronix.de, kamel.bouhara@...tlin.com,
gwendal@...omium.org, alexandre.belloni@...tlin.com,
david@...hnology.com, linux-iio@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
syednwaris@...il.com, patrick.havelange@...ensium.com,
fabrice.gasnier@...com, mcoquelin.stm32@...il.com,
alexandre.torgue@...com, o.rempel@...gutronix.de,
jarkko.nikula@...ux.intel.com,
William Breathitt Gray <vilhelm.gray@...il.com>
Subject: [PATCH v12 07/17] counter: Update counter.h comments to reflect sysfs internalization
The Counter subsystem architecture and driver implementations have
changed in order to handle Counter sysfs interactions in a more
consistent way. This patch updates the Generic Counter interface
header file comments to reflect the changes.
Signed-off-by: William Breathitt Gray <vilhelm.gray@...il.com>
---
drivers/counter/counter-core.c | 3 +++
include/linux/counter.h | 43 ++++++++++++++++------------------
2 files changed, 23 insertions(+), 23 deletions(-)
diff --git a/drivers/counter/counter-core.c b/drivers/counter/counter-core.c
index 15f735ef296e..9442e3b91468 100644
--- a/drivers/counter/counter-core.c
+++ b/drivers/counter/counter-core.c
@@ -41,6 +41,9 @@ static struct bus_type counter_bus_type = {
* This function registers a Counter to the system. A sysfs "counter" directory
* will be created and populated with sysfs attributes correlating with the
* Counter Signals, Synapses, and Counts respectively.
+ *
+ * RETURNS:
+ * 0 on success, negative error number on failure.
*/
int counter_register(struct counter_device *const counter)
{
diff --git a/include/linux/counter.h b/include/linux/counter.h
index b69277f5c4c5..e7fd6d81a929 100644
--- a/include/linux/counter.h
+++ b/include/linux/counter.h
@@ -188,11 +188,10 @@ struct counter_comp {
/**
* struct counter_signal - Counter Signal node
- * @id: unique ID used to identify signal
- * @name: device-specific Signal name; ideally, this should match the name
- * as it appears in the datasheet documentation
- * @ext: optional array of Counter Signal extensions
- * @num_ext: number of Counter Signal extensions specified in @ext
+ * @id: unique ID used to identify the Signal
+ * @name: device-specific Signal name
+ * @ext: optional array of Signal extensions
+ * @num_ext: number of Signal extensions specified in @ext
*/
struct counter_signal {
int id;
@@ -206,7 +205,7 @@ struct counter_signal {
* struct counter_synapse - Counter Synapse node
* @actions_list: array of available action modes
* @num_actions: number of action modes specified in @actions_list
- * @signal: pointer to associated signal
+ * @signal: pointer to the associated Signal
*/
struct counter_synapse {
const enum counter_synapse_action *actions_list;
@@ -217,15 +216,14 @@ struct counter_synapse {
/**
* struct counter_count - Counter Count node
- * @id: unique ID used to identify Count
- * @name: device-specific Count name; ideally, this should match
- * the name as it appears in the datasheet documentation
- * @functions_list: array available function modes
+ * @id: unique ID used to identify the Count
+ * @name: device-specific Count name
+ * @functions_list: array of available function modes
* @num_functions: number of function modes specified in @functions_list
- * @synapses: array of synapses for initialization
- * @num_synapses: number of synapses specified in @synapses
- * @ext: optional array of Counter Count extensions
- * @num_ext: number of Counter Count extensions specified in @ext
+ * @synapses: array of Synapses for initialization
+ * @num_synapses: number of Synapses specified in @synapses
+ * @ext: optional array of Count extensions
+ * @num_ext: number of Count extensions specified in @ext
*/
struct counter_count {
int id;
@@ -243,15 +241,14 @@ struct counter_count {
/**
* struct counter_ops - Callbacks from driver
- * @signal_read: optional read callback for Signal attribute. The read
- * level of the respective Signal should be passed back via
- * the level parameter.
- * @count_read: optional read callback for Count attribute. The read
- * value of the respective Count should be passed back via
- * the val parameter.
- * @count_write: optional write callback for Count attribute. The write
- * value for the respective Count is passed in via the val
+ * @signal_read: read callback for Signals. The read level of the
+ * respective Signal should be passed back via the level
+ * parameter.
+ * @count_read: read callback for Counts. The read value of the
+ * respective Count should be passed back via the value
* parameter.
+ * @count_write: write callback for Counts. The write value for the
+ * respective Count is passed in via the value parameter.
* @function_read: read callback the Count function modes. The read
* function mode of the respective Count should be passed
* back via the function parameter.
@@ -291,7 +288,7 @@ struct counter_ops {
/**
* struct counter_device - Counter data structure
- * @name: name of the device as it appears in the datasheet
+ * @name: name of the device
* @parent: optional parent device providing the counters
* @ops: callbacks from driver
* @signals: array of Signals
--
2.32.0
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