DMA: Mundane typo fixes

index 235f1396f968..4b1d5183bf64 100644
@@ -100,7 +100,7 @@ static int acpi_dma_parse_resource_group(const struct acpi_csrt_group *grp,
 }
 
 /**
- * acpi_dma_parse_csrt - parse CSRT to exctract additional DMA resources
+ * acpi_dma_parse_csrt - parse CSRT to extract additional DMA resources
  * @adev:	ACPI device to match with
  * @adma:	struct acpi_dma of the given DMA controller
  *

@@ -293,7 +293,7 @@ EXPORT_SYMBOL_GPL(devm_acpi_dma_controller_free);
  * found.
  *
  * Return:
- * 0, if no information is avaiable, -1 on mismatch, and 1 otherwise.
+ * 0, if no information is available, -1 on mismatch, and 1 otherwise.
  */
 static int acpi_dma_update_dma_spec(struct acpi_dma *adma,
 		struct acpi_dma_spec *dma_spec)

index 9a841ce5f0c5..c3483bf2aaa7 100644
@@ -152,7 +152,7 @@ struct msgdma_extended_desc {
 /**
  * struct msgdma_sw_desc - implements a sw descriptor
  * @async_tx: support for the async_tx api
- * @hw_desc: assosiated HW descriptor
+ * @hw_desc: associated HW descriptor
  * @node: node to move from the free list to the tx list
  * @tx_list: transmit list node
  */

@@ -510,7 +510,7 @@ static void msgdma_copy_one(struct msgdma_device *mdev,
 	 * of the DMA controller. The descriptor will get flushed to the
 	 * FIFO, once the last word (control word) is written. Since we
 	 * are not 100% sure that memcpy() writes all word in the "correct"
-	 * oder (address from low to high) on all architectures, we make
+	 * order (address from low to high) on all architectures, we make
 	 * sure this control word is written last by single coding it and
 	 * adding some write-barriers here.
 	 */

index a24882ba3764..d15182634789 100644
@@ -121,7 +121,7 @@ struct vendor_data {
 
 /**
  * struct pl08x_bus_data - information of source or destination
- * busses for a transfer
+ * buses for a transfer
  * @addr: current address
  * @maxwidth: the maximum width of a transfer on this bus
  * @buswidth: the width of this bus in bytes: 1, 2 or 4

@@ -1010,7 +1010,7 @@ static inline u32 pl08x_lli_control_bits(struct pl08x_driver_data *pl08x,
 	/*
 	 * Remove all src, dst and transfer size bits, then set the
 	 * width and size according to the parameters. The bit offsets
-	 * are different in the FTDMAC020 so we need to accound for this.
+	 * are different in the FTDMAC020 so we need to account for this.
 	 */
 	if (pl08x->vd->ftdmac020) {
 		retbits &= ~FTDMAC020_LLI_DST_WIDTH_MSK;

index 64239da02e74..fba1585eb7ad 100644
@@ -25,7 +25,7 @@
  * number of hardware rings over one or more SBA hardware devices. By
  * design, the internal buffer size of SBA hardware device is limited
  * but all offload operations supported by SBA can be broken down into
- * multiple small size requests and executed parallely on multiple SBA
+ * multiple small size requests and executed parallel on multiple SBA
  * hardware devices for achieving high through-put.
  *
  * The Broadcom SBA RAID driver does not require any register programming

@@ -143,7 +143,7 @@ struct sba_device {
 	u32 max_xor_srcs;
 	u32 max_resp_pool_size;
 	u32 max_cmds_pool_size;
-	/* Maibox client and Mailbox channels */
+	/* Mailbox client and Mailbox channels */
 	struct mbox_client client;
 	struct mbox_chan *mchan;
 	struct device *mbox_dev;

@@ -328,7 +328,7 @@ static void sba_cleanup_nonpending_requests(struct sba_device *sba)
 
 	spin_lock_irqsave(&sba->reqs_lock, flags);
 
-	/* Freeup all alloced request */
+	/* Freeup all allocated request */
 	list_for_each_entry_safe(req, req1, &sba->reqs_alloc_list, node)
 		_sba_free_request(sba, req);
 

@@ -1633,7 +1633,7 @@ static int sba_probe(struct platform_device *pdev)
 	sba->dev = &pdev->dev;
 	platform_set_drvdata(pdev, sba);
 
-	/* Number of mailbox channels should be atleast 1 */
+	/* Number of mailbox channels should be at least 1 */
 	ret = of_count_phandle_with_args(pdev->dev.of_node,
 					 "mboxes", "#mbox-cells");
 	if (ret <= 0)

index 630dfbb01a40..e6baf17b0434 100644
@@ -369,7 +369,7 @@ static struct bcm2835_desc *bcm2835_dma_create_cb_chain(
 	/* the last frame requires extra flags */
 	d->cb_list[d->frames - 1].cb->info |= finalextrainfo;
 
-	/* detect a size missmatch */
+	/* detect a size mismatch */
 	if (buf_len && (d->size != buf_len))
 		goto error_cb;
 

index f4c07ad3be15..3d0d48b12e28 100644
@@ -282,7 +282,7 @@ static void idma64_desc_fill(struct idma64_chan *idma64c,
 		desc->length += hw->len;
 	} while (i);
 
-	/* Trigger an interrupt after the last block is transfered */
+	/* Trigger an interrupt after the last block is transferred */
 	lli->ctllo |= IDMA64C_CTLL_INT_EN;
 
 	/* Disable LLP transfer in the last block */

@@ -356,7 +356,7 @@ static size_t idma64_active_desc_size(struct idma64_chan *idma64c)
 	if (!i)
 		return bytes;
 
-	/* The current chunk is not fully transfered yet */
+	/* The current chunk is not fully transferred yet */
 	bytes += desc->hw[--i].len;
 
 	return bytes - IDMA64C_CTLH_BLOCK_TS(ctlhi);

index 310b899d581f..81f32dc964e2 100644
@@ -5,7 +5,7 @@
  */
 
 /*
- * This driver supports the asynchrounous DMA copy and RAID engines available
+ * This driver supports the asynchronous DMA copy and RAID engines available
  * on the Intel Xscale(R) family of I/O Processors (IOP 32x, 33x, 134x)
  */
 

@@ -243,7 +243,7 @@ static void iop_adma_tasklet(struct tasklet_struct *t)
 	struct iop_adma_chan *iop_chan = from_tasklet(iop_chan, t,
 						      irq_tasklet);
 
-	/* lockdep will flag depedency submissions as potentially
+	/* lockdep will flag dependency submissions as potentially
 	 * recursive locking, this is not the case as a dependency
 	 * submission will never recurse a channels submit routine.
 	 * There are checks in async_tx.c to prevent this.

@@ -1302,7 +1302,7 @@ static int iop_adma_probe(struct platform_device *pdev)
 
 	adev->id = plat_data->hw_id;
 
-	/* discover transaction capabilites from the platform data */
+	/* discover transaction capabilities from the platform data */
 	dma_dev->cap_mask = plat_data->cap_mask;
 
 	adev->pdev = pdev;

index 23b232b57518..a43388b6a30d 100644
@@ -1074,7 +1074,7 @@ mv_xor_channel_add(struct mv_xor_device *xordev,
 	if (!mv_chan->dma_desc_pool_virt)
 		return ERR_PTR(-ENOMEM);
 
-	/* discover transaction capabilites from the platform data */
+	/* discover transaction capabilities from the platform data */
 	dma_dev->cap_mask = cap_mask;
 
 	INIT_LIST_HEAD(&dma_dev->channels);

index d86086b05b0e..c87cefd38a07 100644
@@ -99,7 +99,7 @@ struct mv_xor_device {
  * @common: common dmaengine channel object members
  * @slots_allocated: records the actual size of the descriptor slot pool
  * @irq_tasklet: bottom half where mv_xor_slot_cleanup runs
- * @op_in_desc: new mode of driver, each op is writen to descriptor.
+ * @op_in_desc: new mode of driver, each op is written to descriptor.
  */
 struct mv_xor_chan {
 	int			pending;

index 9b0d463f89bb..8a45861299a0 100644
@@ -175,7 +175,7 @@ struct mv_xor_v2_device {
  * struct mv_xor_v2_sw_desc - implements a xor SW descriptor
  * @idx: descriptor index
  * @async_tx: support for the async_tx api
- * @hw_desc: assosiated HW descriptor
+ * @hw_desc: associated HW descriptor
  * @free_list: node of the free SW descriprots list
 */
 struct mv_xor_v2_sw_desc {

index 9c52c57919c6..9eacaa20ddb3 100644
@@ -898,7 +898,7 @@ static int nbpf_config(struct dma_chan *dchan,
 	/*
 	 * We could check config->slave_id to match chan->terminal here,
 	 * but with DT they would be coming from the same source, so
-	 * such a check would be superflous
+	 * such a check would be superfluous
 	 */
 
 	chan->slave_dst_addr = config->dst_addr;

index ec00b20ae8e4..e028acff7fe8 100644
@@ -337,7 +337,7 @@ EXPORT_SYMBOL_GPL(of_dma_simple_xlate);
  *
  * This function can be used as the of xlate callback for DMA driver which wants
  * to match the channel based on the channel id. When using this xlate function
- * the #dma-cells propety of the DMA controller dt node needs to be set to 1.
+ * the #dma-cells properly of the DMA controller dt node needs to be set to 1.
  * The data parameter of of_dma_controller_register must be a pointer to the
  * dma_device struct the function should match upon.
  *

index 8e14c72d03f0..c98ae73cdcc3 100644
@@ -156,7 +156,7 @@ struct s3c24xx_sg {
  * struct s3c24xx_txd - wrapper for struct dma_async_tx_descriptor
  * @vd: virtual DMA descriptor
  * @dsg_list: list of children sg's
- * @at: sg currently being transfered
+ * @at: sg currently being transferred
  * @width: transfer width
  * @disrcc: value for source control register
  * @didstc: value for destination control register

index c98ae73cdcc3..8e14c72d03f0 100644
@@ -156,7 +156,7 @@ struct s3c24xx_sg {
  * struct s3c24xx_txd - wrapper for struct dma_async_tx_descriptor
  * @vd: virtual DMA descriptor
  * @dsg_list: list of children sg's
- * @at: sg currently being transferred
+ * @at: sg currently being transfered
  * @width: transfer width
  * @disrcc: value for source control register
  * @didstc: value for destination control register

index 8e14c72d03f0..045f2f531876 100644
@@ -156,7 +156,7 @@ struct s3c24xx_sg {
  * struct s3c24xx_txd - wrapper for struct dma_async_tx_descriptor
  * @vd: virtual DMA descriptor
  * @dsg_list: list of children sg's
- * @at: sg currently being transfered
+ * @at: sg currently being transferred
  * @width: transfer width
  * @disrcc: value for source control register
  * @didstc: value for destination control register

@@ -920,7 +920,7 @@ static struct dma_async_tx_descriptor *s3c24xx_dma_prep_dma_cyclic(
 	}
 
 	/*
-	 * Always assume our peripheral desintation is a fixed
+	 * Always assume our peripheral destination is a fixed
 	 * address in memory.
 	 */
 	hwcfg |= S3C24XX_DISRCC_INC_FIXED;

@@ -1009,7 +1009,7 @@ static struct dma_async_tx_descriptor *s3c24xx_dma_prep_slave_sg(
 	}
 
 	/*
-	 * Always assume our peripheral desintation is a fixed
+	 * Always assume our peripheral destination is a fixed
 	 * address in memory.
 	 */
 	hwcfg |= S3C24XX_DISRCC_INC_FIXED;

index fa15b97a3bab..702b21021124 100644
@@ -41,8 +41,8 @@ struct st_fdma_generic_node {
  * @saddr: Source address
  * @daddr: Destination address
  *
- * @generic: generic node for free running/paced transfert type
- * 2 others transfert type are possible, but not yet implemented
+ * @generic: generic node for free running/paced transfer type
+ * 2 others transfer type are possible, but not yet implemented
  *
  * The NODE structures must be aligned to a 32 byte boundary
  */

index c504e855eb02..2e30e9a94a1e 100644
@@ -369,7 +369,7 @@ struct d40_phy_lli_bidir {
  * @lcsp02: Either maps to register lcsp0 if src or lcsp2 if dst.
  * @lcsp13: Either maps to register lcsp1 if src or lcsp3 if dst.
  *
- * This struct must be 8 bytes aligned since it will be accessed directy by
+ * This struct must be 8 bytes aligned since it will be accessed directly by
  * the DMA. Never add any none hw mapped registers to this struct.
  */
 

index 71827d9b0aa1..e64789432587 100644
@@ -475,7 +475,7 @@ static void tegra_dma_configure_for_next(struct tegra_dma_channel *tdc,
 
 	/*
 	 * If interrupt is pending then do nothing as the ISR will handle
-	 * the programing for new request.
+	 * the programming for new request.
 	 */
 	if (status & TEGRA_APBDMA_STATUS_ISE_EOC) {
 		dev_err(tdc2dev(tdc),

index 3589b4ef50b8..9b0010b6e033 100644
@@ -23,7 +23,7 @@
 
 #include "dmaengine.h"
 
-/* X-Gene DMA ring csr registers and bit definations */
+/* X-Gene DMA ring csr registers and bit definitions */
 #define XGENE_DMA_RING_CONFIG			0x04
 #define XGENE_DMA_RING_ENABLE			BIT(31)
 #define XGENE_DMA_RING_ID			0x08

@@ -102,7 +102,7 @@
 #define XGENE_DMA_BLK_MEM_RDY_VAL		0xFFFFFFFF
 #define XGENE_DMA_RING_CMD_SM_OFFSET		0x8000
 
-/* X-Gene SoC EFUSE csr register and bit defination */
+/* X-Gene SoC EFUSE csr register and bit definition */
 #define XGENE_SOC_JTAG1_SHADOW			0x18
 #define XGENE_DMA_PQ_DISABLE_MASK		BIT(13)
 

@@ -1741,7 +1741,7 @@ static int xgene_dma_probe(struct platform_device *pdev)
 	/* Initialize DMA channels software state */
 	xgene_dma_init_channels(pdma);
 
-	/* Configue DMA rings */
+	/* Configure DMA rings */
 	ret = xgene_dma_init_rings(pdma);
 	if (ret)
 		goto err_clk_enable;

index 30ae36124b1d..02c09532a9e4 100644
@@ -374,11 +374,11 @@ static int atc_get_bytes_left(struct dma_chan *chan, dma_cookie_t cookie)
 		 * a second time. If the two consecutive read values of the DSCR
 		 * are the same then we assume both refers to the very same
 		 * child descriptor as well as the CTRLA value read inbetween
-		 * does. For cyclic tranfers, the assumption is that a full loop
+		 * does. For cyclic transfers, the assumption is that a full loop
 		 * is "not so fast".
 		 * If the two DSCR values are different, we read again the CTRLA
 		 * then the DSCR till two consecutive read values from DSCR are
-		 * equal or till the maxium trials is reach.
+		 * equal or till the maximum trials is reach.
 		 * This algorithm is very unlikely not to find a stable value for
 		 * DSCR.
 		 */

@@ -403,7 +403,7 @@ static int atc_get_bytes_left(struct dma_chan *chan, dma_cookie_t cookie)
 
 			/*
 			 * DSCR has changed inside the DMA controller, so the
-			 * previouly read value of CTRLA may refer to an already
+			 * previously read value of CTRLA may refer to an already
 			 * processed descriptor hence could be outdated.
 			 * We need to update ctrla to match the current
 			 * descriptor.

@@ -564,7 +564,7 @@ static void atc_handle_error(struct at_dma_chan *atchan)
 	spin_lock_irqsave(&atchan->lock, flags);
 	/*
 	 * The descriptor currently at the head of the active list is
-	 * broked. Since we don't have any way to report errors, we'll
+	 * broken. Since we don't have any way to report errors, we'll
 	 * just have to scream loudly and try to carry on.
 	 */
 	bad_desc = atc_first_active(atchan);

@@ -870,7 +870,7 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
 		atc_desc_chain(&first, &prev, desc);
 	}
 
-	/* First descriptor of the chain embedds additional information */
+	/* First descriptor of the chain embeds additional information */
 	first->txd.cookie = -EBUSY;
 	first->total_len = len;
 

@@ -1199,7 +1199,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 	/* set end-of-link to the last link descriptor of list*/
 	set_desc_eol(prev);
 
-	/* First descriptor of the chain embedds additional information */
+	/* First descriptor of the chain embeds additional information */
 	first->txd.cookie = -EBUSY;
 	first->total_len = total_len;
 

@@ -1358,7 +1358,7 @@ atc_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
 	/* lets make a cyclic list */
 	prev->lli.dscr = first->txd.phys;
 
-	/* First descriptor of the chain embedds additional information */
+	/* First descriptor of the chain embeds additional information */
 	first->txd.cookie = -EBUSY;
 	first->total_len = buf_len;
 

index 1f0bbaed4643..3c7283afa443 100644
@@ -1155,7 +1155,7 @@ static int owl_dma_probe(struct platform_device *pdev)
 	}
 
 	/*
-	 * Eventhough the DMA controller is capable of generating 4
+	 * Even though the DMA controller is capable of generating 4
 	 * IRQ's for DMA priority feature, we only use 1 IRQ for
 	 * simplification.
 	 */

index 4d1ebc040031..46ecc40edaa8 100644
@@ -338,7 +338,7 @@ static inline u8 convert_buswidth(enum dma_slave_buswidth addr_width)
  * @ch_regs: memory mapped register base
  * @clk: dma controller clock
  * @save_imr: interrupt mask register that is saved on suspend/resume cycle
- * @all_chan_mask: all channels availlable in a mask
+ * @all_chan_mask: all channels available in a mask
  * @dma_desc_pool: base of DMA descriptor region (DMA address)
  * @chan: channels table to store at_dma_chan structures
  */

@@ -462,7 +462,7 @@ static inline int atc_chan_is_cyclic(struct at_dma_chan *atchan)
 
 /**
  * set_desc_eol - set end-of-link to descriptor so it will end transfer
- * @desc: descriptor, signle or at the end of a chain, to end chain on
+ * @desc: descriptor, single or at the end of a chain, to end chain on
  */
 static void set_desc_eol(struct at_desc *desc)
 {

index ebee94dbd630..451bc754b609 100644
@@ -379,7 +379,7 @@ static struct dma_async_tx_descriptor *jz4780_dma_prep_slave_sg(
 
 		if (i != (sg_len - 1) &&
 		    !(jzdma->soc_data->flags & JZ_SOC_DATA_BREAK_LINKS)) {
-			/* Automatically proceeed to the next descriptor. */
+			/* Automatically proceed to the next descriptor. */
 			desc->desc[i].dcm |= JZ_DMA_DCM_LINK;
 
 			/*

index 265d7c07b348..39fa2fb74057 100644
@@ -155,7 +155,7 @@ static __maybe_unused u32 d40_backup_regs[] = {
 
 /*
  * since 9540 and 8540 has the same HW revision
- * use v4a for 9540 or ealier
+ * use v4a for 9540 or earlier
  * use v4b for 8540 or later
  * HW revision:
  * DB8500ed has revision 0

@@ -382,7 +382,7 @@ struct d40_desc {
  *
  * @base: The virtual address of LCLA. 18 bit aligned.
  * @dma_addr: DMA address, if mapped
- * @base_unaligned: The orignal kmalloc pointer, if kmalloc is used.
+ * @base_unaligned: The original kmalloc pointer, if kmalloc is used.
  * This pointer is only there for clean-up on error.
  * @pages: The number of pages needed for all physical channels.
  * Only used later for clean-up on error

@@ -1630,7 +1630,7 @@ static void dma_tasklet(struct tasklet_struct *t)
 
 	return;
  check_pending_tx:
-	/* Rescue manouver if receiving double interrupts */
+	/* Rescue maneuver if receiving double interrupts */
 	if (d40c->pending_tx > 0)
 		d40c->pending_tx--;
 	spin_unlock_irqrestore(&d40c->lock, flags);

@@ -1970,7 +1970,7 @@ static int d40_config_memcpy(struct d40_chan *d40c)
 		   dma_has_cap(DMA_SLAVE, cap)) {
 		d40c->dma_cfg = dma40_memcpy_conf_phy;
 
-		/* Generate interrrupt at end of transfer or relink. */
+		/* Generate interrupt at end of transfer or relink. */
 		d40c->dst_def_cfg |= BIT(D40_SREG_CFG_TIM_POS);
 
 		/* Generate interrupt on error. */

@@ -3415,7 +3415,7 @@ static int __init d40_lcla_allocate(struct d40_base *base)
 		base->lcla_pool.base = (void *)page_list[i];
 	} else {
 		/*
-		 * After many attempts and no succees with finding the correct
+		 * After many attempts and no success with finding the correct
 		 * alignment, try with allocating a big buffer.
 		 */
 		dev_warn(base->dev,

index d9e4ac3edb4e..ef4da10361a7 100644
@@ -35,7 +35,7 @@
 /*
  * The set of bus widths supported by the DMA controller. DW AXI DMAC supports
  * master data bus width up to 512 bits (for both AXI master interfaces), but
- * it depends on IP block configurarion.
+ * it depends on IP block configuration.
  */
 #define AXI_DMA_BUSWIDTHS		  \
 	(DMA_SLAVE_BUSWIDTH_1_BYTE	| \

@@ -1056,10 +1056,10 @@ static irqreturn_t dw_axi_dma_interrupt(int irq, void *dev_id)
 
 	u32 status, i;
 
-	/* Disable DMAC inerrupts. We'll enable them after processing chanels */
+	/* Disable DMAC interrupts. We'll enable them after processing channels */
 	axi_dma_irq_disable(chip);
 
-	/* Poll, clear and process every chanel interrupt status */
+	/* Poll, clear and process every channel interrupt status */
 	for (i = 0; i < dw->hdata->nr_channels; i++) {
 		chan = &dw->chan[i];
 		status = axi_chan_irq_read(chan);

@@ -1511,5 +1511,5 @@ static struct platform_driver dw_driver = {
 module_platform_driver(dw_driver);
 
 MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("Synopsys DesignWare AXI DMA Controller platform driver");
+MODULE_DESCRIPTION("Synopsis DesignWare AXI DMA Controller platform driver");
 MODULE_AUTHOR("Eugeniy Paltsev <[email protected]>");

index 5aafe548ca5f..7b51b15b45b1 100644
@@ -319,7 +319,7 @@ static void sh_dmae_setup_xfer(struct shdma_chan *schan,
 }
 
 /*
- * Find a slave channel configuration from the contoller list by either a slave
+ * Find a slave channel configuration from the controller list by either a slave
  * ID in the non-DT case, or by a MID/RID value in the DT case
  */
 static const struct sh_dmae_slave_config *dmae_find_slave(

index 8f7ceb698226..7092a657932b 100644
@@ -301,7 +301,7 @@ static struct usb_dmac_desc *usb_dmac_desc_get(struct usb_dmac_chan *chan,
 	struct usb_dmac_desc *desc = NULL;
 	unsigned long flags;
 
-	/* Get a freed descritpor */
+	/* Get a freed descriptor */
 	spin_lock_irqsave(&chan->vc.lock, flags);
 	list_for_each_entry(desc, &chan->desc_freed, node) {
 		if (sg_len <= desc->sg_allocated_len) {

index 35d81bd857f1..5ad771e34457 100644
@@ -1815,7 +1815,7 @@ static void edma_issue_pending(struct dma_chan *chan)
  * This limit exists to avoid a possible infinite loop when waiting for proof
  * that a particular transfer is completed. This limit can be hit if there
  * are large bursts to/from slow devices or the CPU is never able to catch
- * the DMA hardware idle. On an AM335x transfering 48 bytes from the UART
+ * the DMA hardware idle. On an AM335x transferring 48 bytes from the UART
  * RX-FIFO, as many as 55 loops have been seen.
  */
 #define EDMA_MAX_TR_WAIT_LOOPS 1000

index 3aded7861fef..63d2f447ad79 100644
@@ -483,7 +483,7 @@ struct xilinx_dma_config {
  * @ext_addr: Indicates 64 bit addressing is supported by dma device
  * @pdev: Platform device structure pointer
  * @dma_config: DMA config structure
- * @axi_clk: DMA Axi4-lite interace clock
+ * @axi_clk: DMA Axi4-lite interface clock
  * @tx_clk: DMA mm2s clock
  * @txs_clk: DMA mm2s stream clock
  * @rx_clk: DMA s2mm clock