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From: Enric Balletbo i Serra <enric.balletbo@collabora.com>
To: Jonathan Cameron <jic23@kernel.org>,
	Gwendal Grignou <gwendal@chromium.org>
Cc: briannorris@chromium.org, knaack.h@gmx.de, lars@metafoo.de,
	pmeerw@pmeerw.net, lee.jones@linaro.org, bleung@chromium.org,
	dianders@chromium.org, groeck@chromium.org,
	fabien.lahoudere@collabora.com, linux-kernel@vger.kernel.org,
	linux-iio@vger.kernel.org
Subject: Re: [PATCH v2 01/18] platform: chrome: Put docs with the code
Date: Thu, 24 Oct 2019 19:03:12 +0200	[thread overview]
Message-ID: <50b45b37-d02e-df9a-1ce5-54cea23debb6@collabora.com> (raw)
In-Reply-To: <20191021163134.6d121b1e@archlinux>



On 21/10/19 17:31, Jonathan Cameron wrote:
> On Sun, 20 Oct 2019 22:53:46 -0700
> Gwendal Grignou <gwendal@chromium.org> wrote:
> 
>> To avoid doc rot, put function documentations with code, not header.
>> Use kernel-doc style comments for exported functions.
>>
>> Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
> Looks good to me.
> 
> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> 

applied for 5.5, thanks.


>> ---
>> New in v2.
>>
>>  drivers/platform/chrome/cros_ec.c           |  33 +++++++
>>  drivers/platform/chrome/cros_ec_proto.c     |  70 +++++++++++++
>>  include/linux/platform_data/cros_ec_proto.h | 103 --------------------
>>  3 files changed, 103 insertions(+), 103 deletions(-)
>>
>> diff --git a/drivers/platform/chrome/cros_ec.c b/drivers/platform/chrome/cros_ec.c
>> index fd77e6fa74c2c..9b2d07422e175 100644
>> --- a/drivers/platform/chrome/cros_ec.c
>> +++ b/drivers/platform/chrome/cros_ec.c
>> @@ -104,6 +104,15 @@ static int cros_ec_sleep_event(struct cros_ec_device *ec_dev, u8 sleep_event)
>>  	return ret;
>>  }
>>  
>> +/**
>> + * cros_ec_register() - Register a new ChromeOS EC, using the provided info.
>> + * @ec_dev: Device to register.
>> + *
>> + * Before calling this, allocate a pointer to a new device and then fill
>> + * in all the fields up to the --private-- marker.
>> + *
>> + * Return: 0 on success or negative error code.
>> + */
>>  int cros_ec_register(struct cros_ec_device *ec_dev)
>>  {
>>  	struct device *dev = ec_dev->dev;
>> @@ -198,6 +207,14 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
>>  }
>>  EXPORT_SYMBOL(cros_ec_register);
>>  
>> +/**
>> + * cros_ec_unregister() - Remove a ChromeOS EC.
>> + * @ec_dev: Device to unregister.
>> + *
>> + * Call this to deregister a ChromeOS EC, then clean up any private data.
>> + *
>> + * Return: 0 on success or negative error code.
>> + */
>>  int cros_ec_unregister(struct cros_ec_device *ec_dev)
>>  {
>>  	if (ec_dev->pd)
>> @@ -209,6 +226,14 @@ int cros_ec_unregister(struct cros_ec_device *ec_dev)
>>  EXPORT_SYMBOL(cros_ec_unregister);
>>  
>>  #ifdef CONFIG_PM_SLEEP
>> +/**
>> + * cros_ec_suspend() - Handle a suspend operation for the ChromeOS EC device.
>> + * @ec_dev: Device to suspend.
>> + *
>> + * This can be called by drivers to handle a suspend event.
>> + *
>> + * Return: 0 on success or negative error code.
>> + */
>>  int cros_ec_suspend(struct cros_ec_device *ec_dev)
>>  {
>>  	struct device *dev = ec_dev->dev;
>> @@ -243,6 +268,14 @@ static void cros_ec_report_events_during_suspend(struct cros_ec_device *ec_dev)
>>  					     1, ec_dev);
>>  }
>>  
>> +/**
>> + * cros_ec_resume() - Handle a resume operation for the ChromeOS EC device.
>> + * @ec_dev: Device to resume.
>> + *
>> + * This can be called by drivers to handle a resume event.
>> + *
>> + * Return: 0 on success or negative error code.
>> + */
>>  int cros_ec_resume(struct cros_ec_device *ec_dev)
>>  {
>>  	int ret;
>> diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
>> index f659f96bda128..7db58771ec77c 100644
>> --- a/drivers/platform/chrome/cros_ec_proto.c
>> +++ b/drivers/platform/chrome/cros_ec_proto.c
>> @@ -117,6 +117,17 @@ static int send_command(struct cros_ec_device *ec_dev,
>>  	return ret;
>>  }
>>  
>> +/**
>> + * cros_ec_prepare_tx() - Prepare an outgoing message in the output buffer.
>> + * @ec_dev: Device to register.
>> + * @msg: Message to write.
>> + *
>> + * This is intended to be used by all ChromeOS EC drivers, but at present
>> + * only SPI uses it. Once LPC uses the same protocol it can start using it.
>> + * I2C could use it now, with a refactor of the existing code.
>> + *
>> + * Return: 0 on success or negative error code.
>> + */
>>  int cros_ec_prepare_tx(struct cros_ec_device *ec_dev,
>>  		       struct cros_ec_command *msg)
>>  {
>> @@ -141,6 +152,16 @@ int cros_ec_prepare_tx(struct cros_ec_device *ec_dev,
>>  }
>>  EXPORT_SYMBOL(cros_ec_prepare_tx);
>>  
>> +/**
>> + * cros_ec_check_result() - Check ec_msg->result.
>> + * @ec_dev: EC device.
>> + * @msg: Message to check.
>> + *
>> + * This is used by ChromeOS EC drivers to check the ec_msg->result for
>> + * errors and to warn about them.
>> + *
>> + * Return: 0 on success or negative error code.
>> + */
>>  int cros_ec_check_result(struct cros_ec_device *ec_dev,
>>  			 struct cros_ec_command *msg)
>>  {
>> @@ -326,6 +347,13 @@ static int cros_ec_get_host_command_version_mask(struct cros_ec_device *ec_dev,
>>  	return ret;
>>  }
>>  
>> +/**
>> + * cros_ec_query_all() -  Query the protocol version supported by the
>> + *         ChromeOS EC.
>> + * @ec_dev: Device to register.
>> + *
>> + * Return: 0 on success or negative error code.
>> + */
>>  int cros_ec_query_all(struct cros_ec_device *ec_dev)
>>  {
>>  	struct device *dev = ec_dev->dev;
>> @@ -453,6 +481,16 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev)
>>  }
>>  EXPORT_SYMBOL(cros_ec_query_all);
>>  
>> +/**
>> + * cros_ec_cmd_xfer() - Send a command to the ChromeOS EC.
>> + * @ec_dev: EC device.
>> + * @msg: Message to write.
>> + *
>> + * Call this to send a command to the ChromeOS EC.  This should be used
>> + * instead of calling the EC's cmd_xfer() callback directly.
>> + *
>> + * Return: 0 on success or negative error code.
>> + */
>>  int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev,
>>  		     struct cros_ec_command *msg)
>>  {
>> @@ -500,6 +538,18 @@ int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev,
>>  }
>>  EXPORT_SYMBOL(cros_ec_cmd_xfer);
>>  
>> +/**
>> + * cros_ec_cmd_xfer_status() - Send a command to the ChromeOS EC.
>> + * @ec_dev: EC device.
>> + * @msg: Message to write.
>> + *
>> + * This function is identical to cros_ec_cmd_xfer, except it returns success
>> + * status only if both the command was transmitted successfully and the EC
>> + * replied with success status. It's not necessary to check msg->result when
>> + * using this function.
>> + *
>> + * Return: The number of bytes transferred on success or negative error code.
>> + */
>>  int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev,
>>  			    struct cros_ec_command *msg)
>>  {
>> @@ -584,6 +634,16 @@ static int get_keyboard_state_event(struct cros_ec_device *ec_dev)
>>  	return ec_dev->event_size;
>>  }
>>  
>> +/**
>> + * cros_ec_get_next_event() - Fetch next event from the ChromeOS EC.
>> + * @ec_dev: Device to fetch event from.
>> + * @wake_event: Pointer to a bool set to true upon return if the event might be
>> + *              treated as a wake event. Ignored if null.
>> + *
>> + * Return: negative error code on errors; 0 for no data; or else number of
>> + * bytes received (i.e., an event was retrieved successfully). Event types are
>> + * written out to @ec_dev->event_data.event_type on success.
>> + */
>>  int cros_ec_get_next_event(struct cros_ec_device *ec_dev, bool *wake_event)
>>  {
>>  	u8 event_type;
>> @@ -628,6 +688,16 @@ int cros_ec_get_next_event(struct cros_ec_device *ec_dev, bool *wake_event)
>>  }
>>  EXPORT_SYMBOL(cros_ec_get_next_event);
>>  
>> +/**
>> + * cros_ec_get_host_event() - Return a mask of event set by the ChromeOS EC.
>> + * @ec_dev: Device to fetch event from.
>> + *
>> + * When MKBP is supported, when the EC raises an interrupt, we collect the
>> + * events raised and call the functions in the ec notifier. This function
>> + * is a helper to know which events are raised.
>> + *
>> + * Return: 0 on error or non-zero bitmask of one or more EC_HOST_EVENT_*.
>> + */
>>  u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev)
>>  {
>>  	u32 host_event;
>> diff --git a/include/linux/platform_data/cros_ec_proto.h b/include/linux/platform_data/cros_ec_proto.h
>> index eab7036cda090..0d4e4aaed37af 100644
>> --- a/include/linux/platform_data/cros_ec_proto.h
>> +++ b/include/linux/platform_data/cros_ec_proto.h
>> @@ -187,133 +187,30 @@ struct cros_ec_platform {
>>  	u16 cmd_offset;
>>  };
>>  
>> -/**
>> - * cros_ec_suspend() - Handle a suspend operation for the ChromeOS EC device.
>> - * @ec_dev: Device to suspend.
>> - *
>> - * This can be called by drivers to handle a suspend event.
>> - *
>> - * Return: 0 on success or negative error code.
>> - */
>>  int cros_ec_suspend(struct cros_ec_device *ec_dev);
>>  
>> -/**
>> - * cros_ec_resume() - Handle a resume operation for the ChromeOS EC device.
>> - * @ec_dev: Device to resume.
>> - *
>> - * This can be called by drivers to handle a resume event.
>> - *
>> - * Return: 0 on success or negative error code.
>> - */
>>  int cros_ec_resume(struct cros_ec_device *ec_dev);
>>  
>> -/**
>> - * cros_ec_prepare_tx() - Prepare an outgoing message in the output buffer.
>> - * @ec_dev: Device to register.
>> - * @msg: Message to write.
>> - *
>> - * This is intended to be used by all ChromeOS EC drivers, but at present
>> - * only SPI uses it. Once LPC uses the same protocol it can start using it.
>> - * I2C could use it now, with a refactor of the existing code.
>> - *
>> - * Return: 0 on success or negative error code.
>> - */
>>  int cros_ec_prepare_tx(struct cros_ec_device *ec_dev,
>>  		       struct cros_ec_command *msg);
>>  
>> -/**
>> - * cros_ec_check_result() - Check ec_msg->result.
>> - * @ec_dev: EC device.
>> - * @msg: Message to check.
>> - *
>> - * This is used by ChromeOS EC drivers to check the ec_msg->result for
>> - * errors and to warn about them.
>> - *
>> - * Return: 0 on success or negative error code.
>> - */
>>  int cros_ec_check_result(struct cros_ec_device *ec_dev,
>>  			 struct cros_ec_command *msg);
>>  
>> -/**
>> - * cros_ec_cmd_xfer() - Send a command to the ChromeOS EC.
>> - * @ec_dev: EC device.
>> - * @msg: Message to write.
>> - *
>> - * Call this to send a command to the ChromeOS EC.  This should be used
>> - * instead of calling the EC's cmd_xfer() callback directly.
>> - *
>> - * Return: 0 on success or negative error code.
>> - */
>>  int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev,
>>  		     struct cros_ec_command *msg);
>>  
>> -/**
>> - * cros_ec_cmd_xfer_status() - Send a command to the ChromeOS EC.
>> - * @ec_dev: EC device.
>> - * @msg: Message to write.
>> - *
>> - * This function is identical to cros_ec_cmd_xfer, except it returns success
>> - * status only if both the command was transmitted successfully and the EC
>> - * replied with success status. It's not necessary to check msg->result when
>> - * using this function.
>> - *
>> - * Return: The number of bytes transferred on success or negative error code.
>> - */
>>  int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev,
>>  			    struct cros_ec_command *msg);
>>  
>> -/**
>> - * cros_ec_register() - Register a new ChromeOS EC, using the provided info.
>> - * @ec_dev: Device to register.
>> - *
>> - * Before calling this, allocate a pointer to a new device and then fill
>> - * in all the fields up to the --private-- marker.
>> - *
>> - * Return: 0 on success or negative error code.
>> - */
>>  int cros_ec_register(struct cros_ec_device *ec_dev);
>>  
>> -/**
>> - * cros_ec_unregister() - Remove a ChromeOS EC.
>> - * @ec_dev: Device to unregister.
>> - *
>> - * Call this to deregister a ChromeOS EC, then clean up any private data.
>> - *
>> - * Return: 0 on success or negative error code.
>> - */
>>  int cros_ec_unregister(struct cros_ec_device *ec_dev);
>>  
>> -/**
>> - * cros_ec_query_all() -  Query the protocol version supported by the
>> - *         ChromeOS EC.
>> - * @ec_dev: Device to register.
>> - *
>> - * Return: 0 on success or negative error code.
>> - */
>>  int cros_ec_query_all(struct cros_ec_device *ec_dev);
>>  
>> -/**
>> - * cros_ec_get_next_event() - Fetch next event from the ChromeOS EC.
>> - * @ec_dev: Device to fetch event from.
>> - * @wake_event: Pointer to a bool set to true upon return if the event might be
>> - *              treated as a wake event. Ignored if null.
>> - *
>> - * Return: negative error code on errors; 0 for no data; or else number of
>> - * bytes received (i.e., an event was retrieved successfully). Event types are
>> - * written out to @ec_dev->event_data.event_type on success.
>> - */
>>  int cros_ec_get_next_event(struct cros_ec_device *ec_dev, bool *wake_event);
>>  
>> -/**
>> - * cros_ec_get_host_event() - Return a mask of event set by the ChromeOS EC.
>> - * @ec_dev: Device to fetch event from.
>> - *
>> - * When MKBP is supported, when the EC raises an interrupt, we collect the
>> - * events raised and call the functions in the ec notifier. This function
>> - * is a helper to know which events are raised.
>> - *
>> - * Return: 0 on error or non-zero bitmask of one or more EC_HOST_EVENT_*.
>> - */
>>  u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev);
>>  
>>  #endif /* __LINUX_CROS_EC_PROTO_H */
> 

  reply	other threads:[~2019-10-24 17:03 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-21  5:53 [PATCH v2 00/18] cros_ec: Add sensorhub driver and FIFO processing*** SUBJECT HERE Gwendal Grignou
2019-10-21  5:53 ` [PATCH v2 01/18] platform: chrome: Put docs with the code Gwendal Grignou
2019-10-21 15:31   ` Jonathan Cameron
2019-10-24 17:03     ` Enric Balletbo i Serra [this message]
2019-10-21  5:53 ` [PATCH v2 02/18] mfd: cros_ec: Add sensor_count and make check_features public Gwendal Grignou
2019-10-21 15:12   ` Enric Balletbo i Serra
2019-10-21 15:49   ` Jonathan Cameron
2019-11-01  9:00   ` Lee Jones
2019-10-21  5:53 ` [PATCH v2 03/18] platform: cros_ec: Add cros_ec_sensor_hub driver Gwendal Grignou
2019-10-21 15:59   ` Jonathan Cameron
2019-10-22  8:32     ` Enric Balletbo i Serra
2019-10-21  5:53 ` [PATCH v2 04/18] platform/mfd:iio: cros_ec: Register sensor through sensorhub Gwendal Grignou
2019-10-21 16:00   ` Jonathan Cameron
2019-10-22  9:39     ` Enric Balletbo i Serra
2019-10-21  5:53 ` [PATCH v2 05/18] platform: chrome: cros-ec: record event timestamp in the hard irq Gwendal Grignou
2019-10-22 10:03   ` Enric Balletbo i Serra
2019-10-21  5:53 ` [PATCH v2 06/18] platform: chrome: cros_ec: Do not attempt to register a non-positive IRQ number Gwendal Grignou
2019-10-22 10:05   ` Enric Balletbo i Serra
2019-10-21  5:53 ` [PATCH v2 07/18] platform: chrome: cros_ec: handle MKBP more events flag Gwendal Grignou
2019-10-21 16:07   ` Jonathan Cameron
2019-10-21  5:53 ` [PATCH v2 08/18] Revert "Input: cros_ec_keyb - add back missing mask for event_type" Gwendal Grignou
2019-10-21  5:53 ` [PATCH v2 09/18] Revert "Input: cros_ec_keyb: mask out extra flags in event_type" Gwendal Grignou
2019-10-21  5:53 ` [PATCH v2 10/18] platform: chrome: sensorhub: Add FIFO support Gwendal Grignou
2019-10-21 16:27   ` Jonathan Cameron
2019-10-21 22:09     ` Gwendal Grignou
2019-10-22 10:42       ` Jonathan Cameron
2019-10-21  5:53 ` [PATCH v2 11/18] platform: chrome: sensorhub: Add code to spread timestmap Gwendal Grignou
2019-10-21  5:53 ` [PATCH v2 12/18] platform: chrome: sensorhub: Add median filter Gwendal Grignou
2019-10-21  5:53 ` [PATCH v2 13/18] iio: cros_ec: Move function description to .c file Gwendal Grignou
2019-10-21 16:33   ` Jonathan Cameron
2019-10-21  5:53 ` [PATCH v2 14/18] iio: cros_ec: Register to cros_ec_sensorhub when EC supports FIFO Gwendal Grignou
2019-10-21 16:38   ` Jonathan Cameron
2019-10-21  5:54 ` [PATCH v2 15/18] iio: cros_ec: Remove pm function Gwendal Grignou
2019-10-21 16:39   ` Jonathan Cameron
2019-10-21  5:54 ` [PATCH v2 16/18] iio: cros_ec: Expose hwfifo_timeout Gwendal Grignou
2019-10-21 16:42   ` Jonathan Cameron
2019-10-21  5:54 ` [PATCH v2 17/18] iio: cros_ec: Report hwfifo_watermark_max Gwendal Grignou
2019-10-21 16:42   ` Jonathan Cameron
2019-10-21  5:54 ` [PATCH v2 18/18] iio: cros_ec: Use Hertz as unit for sampling frequency Gwendal Grignou
2019-10-21 16:45   ` Jonathan Cameron
2019-10-22 19:11     ` Gwendal Grignou
2019-10-21 15:29 ` [PATCH v2 00/18] cros_ec: Add sensorhub driver and FIFO processing*** SUBJECT HERE Jonathan Cameron

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