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dmaengine: xilinx_dma: Fix kernel doc warnings 

This patch fixes the kernel doc warnings
in the driver.

Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Kedareswara rao Appana 2017-12-07 10:51:05 +05:30 committed by Vinod Koul
parent 23059408b6
commit e50a0ad159
1 changed files with 24 additions and 13 deletions
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37
drivers/dma/xilinx/xilinx_dma.c
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@ -214,8 +214,8 @@ struct xilinx_vdma_desc_hw {
* @next_desc_msb: MSB of Next Descriptor Pointer @0x04
* @buf_addr: Buffer address @0x08
* @buf_addr_msb: MSB of Buffer address @0x0C
* @pad1: Reserved @0x10
* @pad2: Reserved @0x14
* @mcdma_control: Control field for mcdma @0x10
* @vsize_stride: Vsize and Stride field for mcdma @0x14
* @control: Control field @0x18
* @status: Status field @0x1C
* @app: APP Fields @0x20 - 0x30
@ -235,11 +235,11 @@ struct xilinx_axidma_desc_hw {
/**
* struct xilinx_cdma_desc_hw - Hardware Descriptor
* @next_desc: Next Descriptor Pointer @0x00
* @next_descmsb: Next Descriptor Pointer MSB @0x04
* @next_desc_msb: Next Descriptor Pointer MSB @0x04
* @src_addr: Source address @0x08
* @src_addrmsb: Source address MSB @0x0C
* @src_addr_msb: Source address MSB @0x0C
* @dest_addr: Destination address @0x10
* @dest_addrmsb: Destination address MSB @0x14
* @dest_addr_msb: Destination address MSB @0x14
* @control: Control field @0x18
* @status: Status field @0x1C
*/
@ -339,6 +339,7 @@ struct xilinx_dma_tx_descriptor {
* @cyclic_seg_p: Physical allocated segments base for cyclic dma
* @start_transfer: Differentiate b/w DMA IP's transfer
* @stop_transfer: Differentiate b/w DMA IP's quiesce
* @tdest: TDEST value for mcdma
*/
struct xilinx_dma_chan {
struct xilinx_dma_device *xdev;
@ -378,11 +379,11 @@ struct xilinx_dma_chan {
};
/**
* enum xdma_ip_type: DMA IP type.
* enum xdma_ip_type - DMA IP type.
*
* XDMA_TYPE_AXIDMA: Axi dma ip.
* XDMA_TYPE_CDMA: Axi cdma ip.
* XDMA_TYPE_VDMA: Axi vdma ip.
* @XDMA_TYPE_AXIDMA: Axi dma ip.
* @XDMA_TYPE_CDMA: Axi cdma ip.
* @XDMA_TYPE_VDMA: Axi vdma ip.
*
*/
enum xdma_ip_type {
@ -994,6 +995,8 @@ static enum dma_status xilinx_dma_tx_status(struct dma_chan *dchan,
/**
* xilinx_dma_stop_transfer - Halt DMA channel
* @chan: Driver specific DMA channel
*
* Return: '0' on success and failure value on error
*/
static int xilinx_dma_stop_transfer(struct xilinx_dma_chan *chan)
{
@ -1010,6 +1013,8 @@ static int xilinx_dma_stop_transfer(struct xilinx_dma_chan *chan)
/**
* xilinx_cdma_stop_transfer - Wait for the current transfer to complete
* @chan: Driver specific DMA channel
*
* Return: '0' on success and failure value on error
*/
static int xilinx_cdma_stop_transfer(struct xilinx_dma_chan *chan)
{
@ -1825,11 +1830,14 @@ static struct dma_async_tx_descriptor *xilinx_dma_prep_slave_sg(
/**
* xilinx_dma_prep_dma_cyclic - prepare descriptors for a DMA_SLAVE transaction
* @chan: DMA channel
* @sgl: scatterlist to transfer to/from
* @sg_len: number of entries in @scatterlist
* @dchan: DMA channel
* @buf_addr: Physical address of the buffer
* @buf_len: Total length of the cyclic buffers
* @period_len: length of individual cyclic buffer
* @direction: DMA direction
* @flags: transfer ack flags
*
* Return: Async transaction descriptor on success and NULL on failure
*/
static struct dma_async_tx_descriptor *xilinx_dma_prep_dma_cyclic(
struct dma_chan *dchan, dma_addr_t buf_addr, size_t buf_len,
@ -2013,7 +2021,9 @@ xilinx_dma_prep_interleaved(struct dma_chan *dchan,
/**
* xilinx_dma_terminate_all - Halt the channel and free descriptors
* @chan: Driver specific DMA Channel pointer
* @dchan: Driver specific DMA Channel pointer
*
* Return: '0' always.
*/
static int xilinx_dma_terminate_all(struct dma_chan *dchan)
{
@ -2328,6 +2338,7 @@ static void xdma_disable_allclks(struct xilinx_dma_device *xdev)
*
* @xdev: Driver specific device structure
* @node: Device node
* @chan_id: DMA Channel id
*
* Return: '0' on success and failure value on error
*/