diff mbox series

[v2,1/5] dmaengine: fsl-edma: involve help macro fsl_edma_set(get)_tcd()

Message ID 20231116222743.2984776-2-Frank.Li@nxp.com (mailing list archive)
State Superseded
Headers show
Series dmaengine: fsl-edma: integrate TCD64 support for 64bit physical address | expand

Commit Message

Frank Li Nov. 16, 2023, 10:27 p.m. UTC
Using help macro fsl_edma_set(get)_tcd() to handle difference field size.
This is not function change and prepare for 64bit tcd in imx95.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 drivers/dma/fsl-edma-common.c | 61 ++++++++++++++++++-----------------
 drivers/dma/fsl-edma-common.h | 20 ++++++++++++
 2 files changed, 51 insertions(+), 30 deletions(-)

Comments

kernel test robot Nov. 17, 2023, 7:50 p.m. UTC | #1
Hi Frank,

kernel test robot noticed the following build warnings:

[auto build test WARNING on vkoul-dmaengine/next]
[also build test WARNING on linus/master v6.7-rc1 next-20231117]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Frank-Li/dmaengine-fsl-edma-involve-help-macro-fsl_edma_set-get-_tcd/20231117-062946
base:   https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next
patch link:    https://lore.kernel.org/r/20231116222743.2984776-2-Frank.Li%40nxp.com
patch subject: [PATCH v2 1/5] dmaengine: fsl-edma: involve help macro fsl_edma_set(get)_tcd()
config: x86_64-randconfig-r113-20231117 (https://download.01.org/0day-ci/archive/20231118/202311180346.xzja9J4E-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231118/202311180346.xzja9J4E-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311180346.xzja9J4E-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/dma/fsl-edma-common.c:76:15: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:93:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:100:22: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:101:25: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:104:15: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:106:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:131:19: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:137:17: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:140:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/dma/fsl-edma-common.c:361:26: sparse: sparse: cast to restricted __le16
   drivers/dma/fsl-edma-common.c:361:26: sparse: sparse: cast from restricted __le32
>> drivers/dma/fsl-edma-common.c:364:33: sparse: sparse: cast to restricted __le32
   drivers/dma/fsl-edma-common.c:364:33: sparse: sparse: cast from restricted __le16
   drivers/dma/fsl-edma-common.c:377:26: sparse: sparse: cast to restricted __le16
   drivers/dma/fsl-edma-common.c:377:26: sparse: sparse: cast from restricted __le32
   drivers/dma/fsl-edma-common.c:381:33: sparse: sparse: cast to restricted __le32
   drivers/dma/fsl-edma-common.c:381:33: sparse: sparse: cast from restricted __le16
   drivers/dma/fsl-edma-common.c:384:36: sparse: sparse: cast to restricted __le16
   drivers/dma/fsl-edma-common.c:384:36: sparse: sparse: cast from restricted __le32
   drivers/dma/fsl-edma-common.c:386:36: sparse: sparse: cast to restricted __le16
   drivers/dma/fsl-edma-common.c:386:36: sparse: sparse: cast from restricted __le32
   drivers/dma/fsl-edma-common.c:457:15: sparse: sparse: cast to restricted __le32
   drivers/dma/fsl-edma-common.c:457:15: sparse: sparse: cast from restricted __le16
   drivers/dma/fsl-edma-common.c:461:17: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] csr @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:461:17: sparse:     expected restricted __le16 [usertype] csr
   drivers/dma/fsl-edma-common.c:461:17: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:473:17: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:473:17: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:496:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] saddr @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:496:9: sparse:     expected restricted __le32 [usertype] saddr
   drivers/dma/fsl-edma-common.c:496:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:497:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] daddr @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:497:9: sparse:     expected restricted __le32 [usertype] daddr
   drivers/dma/fsl-edma-common.c:497:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:499:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] attr @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:499:9: sparse:     expected restricted __le16 [usertype] attr
   drivers/dma/fsl-edma-common.c:499:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:501:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] soff @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:501:9: sparse:     expected restricted __le16 [usertype] soff
   drivers/dma/fsl-edma-common.c:501:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:518:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] nbytes @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:518:9: sparse:     expected restricted __le32 [usertype] nbytes
   drivers/dma/fsl-edma-common.c:518:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:519:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] slast @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:519:9: sparse:     expected restricted __le32 [usertype] slast
   drivers/dma/fsl-edma-common.c:519:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:521:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] citer @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:521:9: sparse:     expected restricted __le16 [usertype] citer
   drivers/dma/fsl-edma-common.c:521:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:522:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] doff @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:522:9: sparse:     expected restricted __le16 [usertype] doff
   drivers/dma/fsl-edma-common.c:522:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:524:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] dlast_sga @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:524:9: sparse:     expected restricted __le32 [usertype] dlast_sga
   drivers/dma/fsl-edma-common.c:524:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:526:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] biter @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:526:9: sparse:     expected restricted __le16 [usertype] biter
   drivers/dma/fsl-edma-common.c:526:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:543:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] csr @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:543:9: sparse:     expected restricted __le16 [usertype] csr
   drivers/dma/fsl-edma-common.c:543:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:496:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] saddr @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:496:9: sparse:     expected restricted __le32 [usertype] saddr
   drivers/dma/fsl-edma-common.c:496:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:497:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] daddr @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:497:9: sparse:     expected restricted __le32 [usertype] daddr
   drivers/dma/fsl-edma-common.c:497:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:499:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] attr @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:499:9: sparse:     expected restricted __le16 [usertype] attr
   drivers/dma/fsl-edma-common.c:499:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:501:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] soff @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:501:9: sparse:     expected restricted __le16 [usertype] soff
   drivers/dma/fsl-edma-common.c:501:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:518:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] nbytes @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:518:9: sparse:     expected restricted __le32 [usertype] nbytes
   drivers/dma/fsl-edma-common.c:518:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:519:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] slast @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:519:9: sparse:     expected restricted __le32 [usertype] slast
   drivers/dma/fsl-edma-common.c:519:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:521:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] citer @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:521:9: sparse:     expected restricted __le16 [usertype] citer
   drivers/dma/fsl-edma-common.c:521:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:522:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] doff @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:522:9: sparse:     expected restricted __le16 [usertype] doff
   drivers/dma/fsl-edma-common.c:522:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:524:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] dlast_sga @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:524:9: sparse:     expected restricted __le32 [usertype] dlast_sga
   drivers/dma/fsl-edma-common.c:524:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:526:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] biter @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:526:9: sparse:     expected restricted __le16 [usertype] biter
   drivers/dma/fsl-edma-common.c:526:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:543:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] csr @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:543:9: sparse:     expected restricted __le16 [usertype] csr
   drivers/dma/fsl-edma-common.c:543:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:496:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] saddr @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:496:9: sparse:     expected restricted __le32 [usertype] saddr
   drivers/dma/fsl-edma-common.c:496:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:497:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] daddr @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:497:9: sparse:     expected restricted __le32 [usertype] daddr
   drivers/dma/fsl-edma-common.c:497:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:499:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] attr @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:499:9: sparse:     expected restricted __le16 [usertype] attr
   drivers/dma/fsl-edma-common.c:499:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:501:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] soff @@     got restricted __le32 [usertype] @@
   drivers/dma/fsl-edma-common.c:501:9: sparse:     expected restricted __le16 [usertype] soff
   drivers/dma/fsl-edma-common.c:501:9: sparse:     got restricted __le32 [usertype]
   drivers/dma/fsl-edma-common.c:518:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] nbytes @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:518:9: sparse:     expected restricted __le32 [usertype] nbytes
   drivers/dma/fsl-edma-common.c:518:9: sparse:     got restricted __le16 [usertype]
   drivers/dma/fsl-edma-common.c:519:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] slast @@     got restricted __le16 [usertype] @@
   drivers/dma/fsl-edma-common.c:519:9: sparse:     expected restricted __le32 [usertype] slast
   drivers/dma/fsl-edma-common.c:519:9: sparse:     got restricted __le16 [usertype]

vim +361 drivers/dma/fsl-edma-common.c

   348	
   349	static size_t fsl_edma_desc_residue(struct fsl_edma_chan *fsl_chan,
   350			struct virt_dma_desc *vdesc, bool in_progress)
   351	{
   352		struct fsl_edma_desc *edesc = fsl_chan->edesc;
   353		enum dma_transfer_direction dir = edesc->dirn;
   354		dma_addr_t cur_addr, dma_addr;
   355		size_t len, size;
   356		u32 nbytes = 0;
   357		int i;
   358	
   359		/* calculate the total size in this desc */
   360		for (len = i = 0; i < fsl_chan->edesc->n_tcds; i++) {
 > 361			nbytes = fsl_edma_get_tcd_to_cpu(fsl_chan, edesc->tcd[i].vtcd, nbytes);
   362			if (nbytes & (EDMA_V3_TCD_NBYTES_DMLOE | EDMA_V3_TCD_NBYTES_SMLOE))
   363				nbytes = EDMA_V3_TCD_NBYTES_MLOFF_NBYTES(nbytes);
 > 364			len += nbytes * fsl_edma_get_tcd_to_cpu(fsl_chan, edesc->tcd[i].vtcd, biter);
   365		}
   366	
   367		if (!in_progress)
   368			return len;
   369	
   370		if (dir == DMA_MEM_TO_DEV)
   371			cur_addr = edma_read_tcdreg(fsl_chan, saddr);
   372		else
   373			cur_addr = edma_read_tcdreg(fsl_chan, daddr);
   374	
   375		/* figure out the finished and calculate the residue */
   376		for (i = 0; i < fsl_chan->edesc->n_tcds; i++) {
   377			nbytes = fsl_edma_get_tcd_to_cpu(fsl_chan, edesc->tcd[i].vtcd, nbytes);
   378			if (nbytes & (EDMA_V3_TCD_NBYTES_DMLOE | EDMA_V3_TCD_NBYTES_SMLOE))
   379				nbytes = EDMA_V3_TCD_NBYTES_MLOFF_NBYTES(nbytes);
   380	
   381			size = nbytes * fsl_edma_get_tcd_to_cpu(fsl_chan, edesc->tcd[i].vtcd, biter);
   382	
   383			if (dir == DMA_MEM_TO_DEV)
   384				dma_addr = fsl_edma_get_tcd_to_cpu(fsl_chan, edesc->tcd[i].vtcd, saddr);
   385			else
   386				dma_addr = fsl_edma_get_tcd_to_cpu(fsl_chan, edesc->tcd[i].vtcd, daddr);
   387	
   388			len -= size;
   389			if (cur_addr >= dma_addr && cur_addr < dma_addr + size) {
   390				len += dma_addr + size - cur_addr;
   391				break;
   392			}
   393		}
   394	
   395		return len;
   396	}
   397
diff mbox series

Patch

diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c
index 6a3abe5b17908..1cd9cf51b16eb 100644
--- a/drivers/dma/fsl-edma-common.c
+++ b/drivers/dma/fsl-edma-common.c
@@ -358,10 +358,10 @@  static size_t fsl_edma_desc_residue(struct fsl_edma_chan *fsl_chan,
 
 	/* calculate the total size in this desc */
 	for (len = i = 0; i < fsl_chan->edesc->n_tcds; i++) {
-		nbytes = le32_to_cpu(edesc->tcd[i].vtcd->nbytes);
+		nbytes = fsl_edma_get_tcd_to_cpu(fsl_chan, edesc->tcd[i].vtcd, nbytes);
 		if (nbytes & (EDMA_V3_TCD_NBYTES_DMLOE | EDMA_V3_TCD_NBYTES_SMLOE))
 			nbytes = EDMA_V3_TCD_NBYTES_MLOFF_NBYTES(nbytes);
-		len += nbytes * le16_to_cpu(edesc->tcd[i].vtcd->biter);
+		len += nbytes * fsl_edma_get_tcd_to_cpu(fsl_chan, edesc->tcd[i].vtcd, biter);
 	}
 
 	if (!in_progress)
@@ -374,16 +374,16 @@  static size_t fsl_edma_desc_residue(struct fsl_edma_chan *fsl_chan,
 
 	/* figure out the finished and calculate the residue */
 	for (i = 0; i < fsl_chan->edesc->n_tcds; i++) {
-		nbytes = le32_to_cpu(edesc->tcd[i].vtcd->nbytes);
+		nbytes = fsl_edma_get_tcd_to_cpu(fsl_chan, edesc->tcd[i].vtcd, nbytes);
 		if (nbytes & (EDMA_V3_TCD_NBYTES_DMLOE | EDMA_V3_TCD_NBYTES_SMLOE))
 			nbytes = EDMA_V3_TCD_NBYTES_MLOFF_NBYTES(nbytes);
 
-		size = nbytes * le16_to_cpu(edesc->tcd[i].vtcd->biter);
+		size = nbytes * fsl_edma_get_tcd_to_cpu(fsl_chan, edesc->tcd[i].vtcd, biter);
 
 		if (dir == DMA_MEM_TO_DEV)
-			dma_addr = le32_to_cpu(edesc->tcd[i].vtcd->saddr);
+			dma_addr = fsl_edma_get_tcd_to_cpu(fsl_chan, edesc->tcd[i].vtcd, saddr);
 		else
-			dma_addr = le32_to_cpu(edesc->tcd[i].vtcd->daddr);
+			dma_addr = fsl_edma_get_tcd_to_cpu(fsl_chan, edesc->tcd[i].vtcd, daddr);
 
 		len -= size;
 		if (cur_addr >= dma_addr && cur_addr < dma_addr + size) {
@@ -439,26 +439,26 @@  static void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan,
 	 */
 	edma_write_tcdreg(fsl_chan, 0, csr);
 
-	edma_write_tcdreg(fsl_chan, tcd->saddr, saddr);
-	edma_write_tcdreg(fsl_chan, tcd->daddr, daddr);
+	edma_write_tcdreg(fsl_chan, fsl_edma_get_tcd(fsl_chan, tcd, saddr), saddr);
+	edma_write_tcdreg(fsl_chan, fsl_edma_get_tcd(fsl_chan, tcd, daddr), daddr);
 
-	edma_write_tcdreg(fsl_chan, tcd->attr, attr);
-	edma_write_tcdreg(fsl_chan, tcd->soff, soff);
+	edma_write_tcdreg(fsl_chan, fsl_edma_get_tcd(fsl_chan, tcd, attr), attr);
+	edma_write_tcdreg(fsl_chan, fsl_edma_get_tcd(fsl_chan, tcd, soff), soff);
 
-	edma_write_tcdreg(fsl_chan, tcd->nbytes, nbytes);
-	edma_write_tcdreg(fsl_chan, tcd->slast, slast);
+	edma_write_tcdreg(fsl_chan, fsl_edma_get_tcd(fsl_chan, tcd, nbytes), nbytes);
+	edma_write_tcdreg(fsl_chan, fsl_edma_get_tcd(fsl_chan, tcd, slast), slast);
 
-	edma_write_tcdreg(fsl_chan, tcd->citer, citer);
-	edma_write_tcdreg(fsl_chan, tcd->biter, biter);
-	edma_write_tcdreg(fsl_chan, tcd->doff, doff);
+	edma_write_tcdreg(fsl_chan, fsl_edma_get_tcd(fsl_chan, tcd, citer), citer);
+	edma_write_tcdreg(fsl_chan, fsl_edma_get_tcd(fsl_chan, tcd, biter), biter);
+	edma_write_tcdreg(fsl_chan, fsl_edma_get_tcd(fsl_chan, tcd, doff), doff);
 
-	edma_write_tcdreg(fsl_chan, tcd->dlast_sga, dlast_sga);
+	edma_write_tcdreg(fsl_chan, fsl_edma_get_tcd(fsl_chan, tcd, dlast_sga), dlast_sga);
 
-	csr = le16_to_cpu(tcd->csr);
+	csr = fsl_edma_get_tcd_to_cpu(fsl_chan, tcd, csr);
 
 	if (fsl_chan->is_sw) {
 		csr |= EDMA_TCD_CSR_START;
-		tcd->csr = cpu_to_le16(csr);
+		fsl_edma_set_tcd_to_le(fsl_chan, tcd, csr, csr);
 	}
 
 	/*
@@ -473,7 +473,7 @@  static void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan,
 		edma_writel_chreg(fsl_chan, edma_readl_chreg(fsl_chan, ch_csr), ch_csr);
 
 
-	edma_write_tcdreg(fsl_chan, tcd->csr, csr);
+	edma_write_tcdreg(fsl_chan, fsl_edma_get_tcd(fsl_chan, tcd, csr), csr);
 }
 
 static inline
@@ -493,12 +493,12 @@  void fsl_edma_fill_tcd(struct fsl_edma_chan *fsl_chan,
 	 * So we put the value in little endian in memory, waiting
 	 * for fsl_edma_set_tcd_regs doing the swap.
 	 */
-	tcd->saddr = cpu_to_le32(src);
-	tcd->daddr = cpu_to_le32(dst);
+	fsl_edma_set_tcd_to_le(fsl_chan, tcd, src, saddr);
+	fsl_edma_set_tcd_to_le(fsl_chan, tcd, dst, daddr);
 
-	tcd->attr = cpu_to_le16(attr);
+	fsl_edma_set_tcd_to_le(fsl_chan, tcd, attr, attr);
 
-	tcd->soff = cpu_to_le16(soff);
+	fsl_edma_set_tcd_to_le(fsl_chan, tcd, soff, soff);
 
 	if (fsl_chan->is_multi_fifo) {
 		/* set mloff to support multiple fifo */
@@ -515,15 +515,16 @@  void fsl_edma_fill_tcd(struct fsl_edma_chan *fsl_chan,
 		}
 	}
 
-	tcd->nbytes = cpu_to_le32(nbytes);
-	tcd->slast = cpu_to_le32(slast);
+	fsl_edma_set_tcd_to_le(fsl_chan, tcd, nbytes, nbytes);
+	fsl_edma_set_tcd_to_le(fsl_chan, tcd, slast, slast);
 
-	tcd->citer = cpu_to_le16(EDMA_TCD_CITER_CITER(citer));
-	tcd->doff = cpu_to_le16(doff);
+	fsl_edma_set_tcd_to_le(fsl_chan, tcd, EDMA_TCD_CITER_CITER(citer), citer);
+	fsl_edma_set_tcd_to_le(fsl_chan, tcd, doff, doff);
 
-	tcd->dlast_sga = cpu_to_le32(dlast_sga);
+	fsl_edma_set_tcd_to_le(fsl_chan, tcd, dlast_sga, dlast_sga);
+
+	fsl_edma_set_tcd_to_le(fsl_chan, tcd, EDMA_TCD_BITER_BITER(biter), biter);
 
-	tcd->biter = cpu_to_le16(EDMA_TCD_BITER_BITER(biter));
 	if (major_int)
 		csr |= EDMA_TCD_CSR_INT_MAJOR;
 
@@ -539,7 +540,7 @@  void fsl_edma_fill_tcd(struct fsl_edma_chan *fsl_chan,
 	if (fsl_chan->is_sw)
 		csr |= EDMA_TCD_CSR_START;
 
-	tcd->csr = cpu_to_le16(csr);
+	fsl_edma_set_tcd_to_le(fsl_chan, tcd, csr, csr);
 }
 
 static struct fsl_edma_desc *fsl_edma_alloc_desc(struct fsl_edma_chan *fsl_chan,
diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h
index bb5221158a770..72104d775e562 100644
--- a/drivers/dma/fsl-edma-common.h
+++ b/drivers/dma/fsl-edma-common.h
@@ -246,6 +246,26 @@  struct fsl_edma_engine {
 	edma_writel(chan->edma, val,				\
 		   (void __iomem *)&(container_of(chan->tcd, struct fsl_edma3_ch_reg, tcd)->__name))
 
+#define fsl_edma_get_tcd(_chan, _tcd, _field) ((_tcd)->_field)
+
+#define fsl_edma_le_to_cpu(x)					\
+(sizeof(x) == sizeof(u32) ? le32_to_cpu(x) : le16_to_cpu(x))
+
+#define fsl_edma_get_tcd_to_cpu(_chan, _tcd, _field)		\
+fsl_edma_le_to_cpu(fsl_edma_get_tcd(_chan, _tcd, _field))
+
+#define fsl_edma_set_tcd_to_le(_fsl_chan, _tcd, _val, _field)	\
+do {								\
+	switch (sizeof((_tcd)->_field)) {				\
+	case sizeof(u32):					\
+		(_tcd)->_field = cpu_to_le32(_val);		\
+		break;						\
+	case sizeof(u16):					\
+		(_tcd)->_field = cpu_to_le16(_val);		\
+		break;						\
+	}							\
+} while (0)
+
 /*
  * R/W functions for big- or little-endian registers:
  * The eDMA controller's endian is independent of the CPU core's endian.