staging: most: dim2: Provide missing descriptions and fix doc-rot

Also demote merely half-complete header.

Fixes the following W=1 kernel build warning(s):

 drivers/staging/most/dim2/dim2.c:69: warning: Function parameter or member 'name' not described in 'hdm_channel'
 drivers/staging/most/dim2/dim2.c:69: warning: Function parameter or member 'reset_dbr_size' not described in 'hdm_channel'
 drivers/staging/most/dim2/dim2.c:104: warning: Function parameter or member 'dev' not described in 'dim2_hdm'
 drivers/staging/most/dim2/dim2.c:104: warning: Function parameter or member 'name' not described in 'dim2_hdm'
 drivers/staging/most/dim2/dim2.c:104: warning: Function parameter or member 'clk_speed' not described in 'dim2_hdm'
 drivers/staging/most/dim2/dim2.c:104: warning: Function parameter or member 'clk' not described in 'dim2_hdm'
 drivers/staging/most/dim2/dim2.c:104: warning: Function parameter or member 'clk_pll' not described in 'dim2_hdm'
 drivers/staging/most/dim2/dim2.c:104: warning: Function parameter or member 'bus' not described in 'dim2_hdm'
 drivers/staging/most/dim2/dim2.c:104: warning: Function parameter or member 'on_netinfo' not described in 'dim2_hdm'
 drivers/staging/most/dim2/dim2.c:104: warning: Function parameter or member 'disable_platform' not described in 'dim2_hdm'
 drivers/staging/most/dim2/dim2.c:440: warning: Function parameter or member 'most_iface' not described in 'configure_channel'
 drivers/staging/most/dim2/dim2.c:440: warning: Function parameter or member 'ch_idx' not described in 'configure_channel'
 drivers/staging/most/dim2/dim2.c:440: warning: Function parameter or member 'ccfg' not described in 'configure_channel'
 drivers/staging/most/dim2/dim2.c:440: warning: Excess function parameter 'iface' description in 'configure_channel'
 drivers/staging/most/dim2/dim2.c:440: warning: Excess function parameter 'channel' description in 'configure_channel'
 drivers/staging/most/dim2/dim2.c:440: warning: Excess function parameter 'channel_config' description in 'configure_channel'
 drivers/staging/most/dim2/dim2.c:558: warning: Function parameter or member 'most_iface' not described in 'enqueue'
 drivers/staging/most/dim2/dim2.c:558: warning: Function parameter or member 'ch_idx' not described in 'enqueue'
 drivers/staging/most/dim2/dim2.c:558: warning: Excess function parameter 'iface' description in 'enqueue'
 drivers/staging/most/dim2/dim2.c:558: warning: Excess function parameter 'channel' description in 'enqueue'
 drivers/staging/most/dim2/dim2.c:591: warning: Function parameter or member 'most_iface' not described in 'request_netinfo'
 drivers/staging/most/dim2/dim2.c:591: warning: Function parameter or member 'ch_idx' not described in 'request_netinfo'
 drivers/staging/most/dim2/dim2.c:591: warning: Function parameter or member 'on_netinfo' not described in 'request_netinfo'
 drivers/staging/most/dim2/dim2.c:591: warning: Excess function parameter 'iface' description in 'request_netinfo'
 drivers/staging/most/dim2/dim2.c:591: warning: Excess function parameter 'channel_id' description in 'request_netinfo'
 drivers/staging/most/dim2/dim2.c:631: warning: Function parameter or member 'most_iface' not described in 'poison_channel'
 drivers/staging/most/dim2/dim2.c:631: warning: Function parameter or member 'ch_idx' not described in 'poison_channel'
 drivers/staging/most/dim2/dim2.c:631: warning: Excess function parameter 'iface' description in 'poison_channel'
 drivers/staging/most/dim2/dim2.c:631: warning: Excess function parameter 'channel_id' description in 'poison_channel'

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Nícolas F. R. A. Prado" <nfraprado@protonmail.com>
Cc: Andrey Shvetsov <andrey.shvetsov@k2l.de>
Cc: linux-staging@lists.linux.dev
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210414181129.1628598-30-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/most/dim2/dim2.c b/drivers/staging/most/dim2/dim2.c
index b34e3c130f53f2b11baa3740e2e96dcc0eb80db9..093ef9a2b291957d367134306e9fa9bf000fdada 100644 (file)
--- a/drivers/staging/most/dim2/dim2.c
+++ b/drivers/staging/most/dim2/dim2.c
@@ -50,8 +50,10 @@ static DECLARE_TASKLET_OLD(dim2_tasklet, dim2_tasklet_fn);
 
 /**
  * struct hdm_channel - private structure to keep channel specific data
+ * @name: channel name
  * @is_initialized: identifier to know whether the channel is initialized
  * @ch: HAL specific channel data
+ * @reset_dbr_size: reset DBR data buffer size
  * @pending_list: list to keep MBO's before starting transfer
  * @started_list: list to keep MBO's after starting transfer
  * @direction: channel direction (TX or RX)
@@ -68,7 +70,7 @@ struct hdm_channel {
        enum most_channel_data_type data_type;
 };
 
-/**
+/*
  * struct dim2_hdm - private structure to keep interface specific data
  * @hch: an array of channel specific data
  * @most_iface: most interface structure
@@ -428,9 +430,9 @@ static void complete_all_mbos(struct list_head *head)
 
 /**
  * configure_channel - initialize a channel
- * @iface: interface the channel belongs to
- * @channel: channel to be configured
- * @channel_config: structure that holds the configuration information
+ * @most_iface: interface the channel belongs to
+ * @ch_idx: channel index to be configured
+ * @ccfg: structure that holds the configuration information
  *
  * Receives configuration information from mostcore and initialize
  * the corresponding channel. Return 0 on success, negative on failure.
@@ -546,8 +548,8 @@ static int configure_channel(struct most_interface *most_iface, int ch_idx,
 
 /**
  * enqueue - enqueue a buffer for data transfer
- * @iface: intended interface
- * @channel: ID of the channel the buffer is intended for
+ * @most_iface: intended interface
+ * @ch_idx: ID of the channel the buffer is intended for
  * @mbo: pointer to the buffer object
  *
  * Push the buffer into pending_list and try to transfer one buffer from
@@ -579,8 +581,9 @@ static int enqueue(struct most_interface *most_iface, int ch_idx,
 
 /**
  * request_netinfo - triggers retrieving of network info
- * @iface: pointer to the interface
- * @channel_id: corresponding channel ID
+ * @most_iface: pointer to the interface
+ * @ch_idx: corresponding channel ID
+ * @on_netinfo: call-back used to deliver network status to mostcore
  *
  * Send a command to INIC which triggers retrieving of network info by means of
  * "Message exchange over MDP/MEP". Return 0 on success, negative on failure.
@@ -621,8 +624,8 @@ static void request_netinfo(struct most_interface *most_iface, int ch_idx,
 
 /**
  * poison_channel - poison buffers of a channel
- * @iface: pointer to the interface the channel to be poisoned belongs to
- * @channel_id: corresponding channel ID
+ * @most_iface: pointer to the interface the channel to be poisoned belongs to
+ * @ch_idx: corresponding channel ID
  *
  * Destroy a channel and complete all the buffers in both started_list &
  * pending_list. Return 0 on success, negative on failure.