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dmaengine: Make an order in struct dma_device definition

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Make an order in struct dma_device:
- added missing kernel doc descriptions
- put descriptions in the order of appearance in the code
- updated indentation where it makes sense

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230130110503.52250-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Andy Shevchenko 2023-01-30 13:05:03 +02:00 committed by Vinod Koul
parent 837b2fafd4
commit 8b5443102c
1 changed files with 7 additions and 6 deletions
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13
include/linux/dmaengine.h
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@ -773,6 +773,7 @@ struct dma_filter {
/**
* struct dma_device - info on the entity supplying DMA services
* @ref: reference is taken and put every time a channel is allocated or freed
* @chancnt: how many DMA channels are supported
* @privatecnt: how many DMA channels are requested by dma_request_channel
* @channels: the list of struct dma_chan
@ -789,6 +790,7 @@ struct dma_filter {
* @dev_id: unique device ID
* @dev: struct device reference for dma mapping api
* @owner: owner module (automatically set based on the provided dev)
* @chan_ida: unique channel ID
* @src_addr_widths: bit mask of src addr widths the device supports
* Width is specified in bytes, e.g. for a device supporting
* a width of 4 the mask should have BIT(4) set.
@ -802,6 +804,7 @@ struct dma_filter {
* @max_sg_burst: max number of SG list entries executed in a single burst
* DMA tansaction with no software intervention for reinitialization.
* Zero value means unlimited number of entries.
* @descriptor_reuse: a submitted transfer can be resubmitted after completion
* @residue_granularity: granularity of the transfer residue reported
* by tx_status
* @device_alloc_chan_resources: allocate resources and return the
@ -839,7 +842,6 @@ struct dma_filter {
* struct with auxiliary transfer status information, otherwise the call
* will just return a simple status code
* @device_issue_pending: push pending transactions to hardware
* @descriptor_reuse: a submitted transfer can be resubmitted after completion
* @device_release: called sometime atfer dma_async_device_unregister() is
* called and there are no further references to this structure. This
* must be implemented to free resources however many existing drivers
@ -847,6 +849,7 @@ struct dma_filter {
* @dbg_summary_show: optional routine to show contents in debugfs; default code
* will be used when this is omitted, but custom code can show extra,
* controller specific information.
* @dbg_dev_root: the root folder in debugfs for this device
*/
struct dma_device {
struct kref ref;
@ -855,7 +858,7 @@ struct dma_device {
struct list_head channels;
struct list_head global_node;
struct dma_filter filter;
dma_cap_mask_t cap_mask;
dma_cap_mask_t cap_mask;
enum dma_desc_metadata_mode desc_metadata_modes;
unsigned short max_xor;
unsigned short max_pq;
@ -924,10 +927,8 @@ struct dma_device {
struct dma_chan *chan, dma_addr_t dst, u64 data,
unsigned long flags);
void (*device_caps)(struct dma_chan *chan,
struct dma_slave_caps *caps);
int (*device_config)(struct dma_chan *chan,
struct dma_slave_config *config);
void (*device_caps)(struct dma_chan *chan, struct dma_slave_caps *caps);
int (*device_config)(struct dma_chan *chan, struct dma_slave_config *config);
int (*device_pause)(struct dma_chan *chan);
int (*device_resume)(struct dma_chan *chan);
int (*device_terminate_all)(struct dma_chan *chan);