mirror of https://gitee.com/openkylin/linux.git
dma: fix comments
Correct spelling typo in drivers/dma. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -169,9 +169,9 @@ static void atc_desc_put(struct at_dma_chan *atchan, struct at_desc *desc)
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}
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}
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/**
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/**
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* atc_desc_chain - build chain adding a descripor
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* atc_desc_chain - build chain adding a descriptor
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* @first: address of first descripor of the chain
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* @first: address of first descriptor of the chain
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* @prev: address of previous descripor of the chain
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* @prev: address of previous descriptor of the chain
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* @desc: descriptor to queue
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* @desc: descriptor to queue
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*
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*
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* Called from prep_* functions
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* Called from prep_* functions
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@ -786,7 +786,7 @@ atc_dma_cyclic_check_values(unsigned int reg_width, dma_addr_t buf_addr,
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}
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}
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/**
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/**
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* atc_dma_cyclic_fill_desc - Fill one period decriptor
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* atc_dma_cyclic_fill_desc - Fill one period descriptor
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*/
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*/
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static int
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static int
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atc_dma_cyclic_fill_desc(struct dma_chan *chan, struct at_desc *desc,
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atc_dma_cyclic_fill_desc(struct dma_chan *chan, struct at_desc *desc,
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@ -1118,7 +1118,7 @@ ep93xx_dma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
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* @chan: channel
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* @chan: channel
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* @dma_addr: DMA mapped address of the buffer
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* @dma_addr: DMA mapped address of the buffer
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* @buf_len: length of the buffer (in bytes)
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* @buf_len: length of the buffer (in bytes)
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* @period_len: lenght of a single period
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* @period_len: length of a single period
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* @dir: direction of the operation
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* @dir: direction of the operation
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* @context: operation context (ignored)
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* @context: operation context (ignored)
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*
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*
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@ -1015,7 +1015,7 @@ static irqreturn_t fsldma_chan_irq(int irq, void *data)
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/*
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/*
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* Programming Error
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* Programming Error
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* The DMA_INTERRUPT async_tx is a NULL transfer, which will
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* The DMA_INTERRUPT async_tx is a NULL transfer, which will
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* triger a PE interrupt.
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* trigger a PE interrupt.
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*/
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*/
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if (stat & FSL_DMA_SR_PE) {
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if (stat & FSL_DMA_SR_PE) {
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chan_dbg(chan, "irq: Programming Error INT\n");
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chan_dbg(chan, "irq: Programming Error INT\n");
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@ -571,8 +571,8 @@ static void imxdma_tasklet(unsigned long data)
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if (desc->desc.callback)
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if (desc->desc.callback)
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desc->desc.callback(desc->desc.callback_param);
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desc->desc.callback(desc->desc.callback_param);
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/* If we are dealing with a cyclic descriptor keep it on ld_active
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/* If we are dealing with a cyclic descriptor, keep it on ld_active
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* and dont mark the descripor as complete.
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* and dont mark the descriptor as complete.
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* Only in non-cyclic cases it would be marked as complete
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* Only in non-cyclic cases it would be marked as complete
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*/
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*/
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if (imxdma_chan_is_doing_cyclic(imxdmac))
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if (imxdma_chan_is_doing_cyclic(imxdmac))
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@ -168,9 +168,9 @@ union intel_mid_dma_cfg_hi {
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* @active_list: current active descriptors
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* @active_list: current active descriptors
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* @queue: current queued up descriptors
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* @queue: current queued up descriptors
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* @free_list: current free descriptors
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* @free_list: current free descriptors
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* @slave: dma slave struture
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* @slave: dma slave structure
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* @descs_allocated: total number of decsiptors allocated
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* @descs_allocated: total number of descriptors allocated
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* @dma: dma device struture pointer
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* @dma: dma device structure pointer
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* @busy: bool representing if ch is busy (active txn) or not
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* @busy: bool representing if ch is busy (active txn) or not
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* @in_use: bool representing if ch is in use or not
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* @in_use: bool representing if ch is in use or not
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* @raw_tfr: raw trf interrupt received
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* @raw_tfr: raw trf interrupt received
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@ -522,7 +522,7 @@ enum desc_status {
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/* In the DMAC pool */
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/* In the DMAC pool */
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FREE,
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FREE,
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/*
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/*
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* Allocted to some channel during prep_xxx
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* Allocated to some channel during prep_xxx
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* Also may be sitting on the work_list.
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* Also may be sitting on the work_list.
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*/
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*/
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PREP,
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PREP,
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@ -4446,7 +4446,7 @@ static int __devinit ppc440spe_adma_probe(struct platform_device *ofdev)
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ret = -ENOMEM;
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ret = -ENOMEM;
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goto err_dma_alloc;
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goto err_dma_alloc;
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}
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}
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dev_dbg(&ofdev->dev, "allocted descriptor pool virt 0x%p phys 0x%llx\n",
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dev_dbg(&ofdev->dev, "allocated descriptor pool virt 0x%p phys 0x%llx\n",
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adev->dma_desc_pool_virt, (u64)adev->dma_desc_pool);
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adev->dma_desc_pool_virt, (u64)adev->dma_desc_pool);
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regs = ioremap(res.start, resource_size(&res));
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regs = ioremap(res.start, resource_size(&res));
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@ -202,7 +202,7 @@
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/* LLI related structures */
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/* LLI related structures */
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/**
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/**
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* struct d40_phy_lli - The basic configration register for each physical
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* struct d40_phy_lli - The basic configuration register for each physical
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* channel.
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* channel.
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*
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*
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* @reg_cfg: The configuration register.
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* @reg_cfg: The configuration register.
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