[nuttx] branch master updated: Wrong dlastsga or slast setting if doff or soff larger than one

[xiaoxiang]

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xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new ba411fb53d Wrong dlastsga or slast setting if doff or soff larger than 
one
ba411fb53d is described below

commit ba411fb53d7ceb59685ecc477e93fe21bd83c80e
Author: jturnsek <jernej.turn...@gmail.com>
AuthorDate: Thu May 18 20:57:17 2023 +0200

    Wrong dlastsga or slast setting if doff or soff larger than one
---
 arch/arm/src/imxrt/imxrt_edma.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm/src/imxrt/imxrt_edma.c b/arch/arm/src/imxrt/imxrt_edma.c
index a1ced125a0..ad16fe023b 100644
--- a/arch/arm/src/imxrt/imxrt_edma.c
+++ b/arch/arm/src/imxrt/imxrt_edma.c
@@ -362,7 +362,8 @@ static inline void imxrt_tcd_configure(struct 
imxrt_edmatcd_s *tcd,
   tcd->attr     = EDMA_TCD_ATTR_SSIZE(config->ssize) |  /* Transfer Attributes 
*/
                   EDMA_TCD_ATTR_DSIZE(config->dsize);
   tcd->nbytes   = config->nbytes;
-  tcd->slast    = config->flags & EDMA_CONFIG_LOOPSRC ? -config->iter : 0;
+  tcd->slast    = config->flags & EDMA_CONFIG_LOOPSRC ?
+                                  -(config->iter * config->nbytes) : 0;
   tcd->daddr    = config->daddr;
   tcd->doff     = config->doff;
   tcd->citer    = config->iter & EDMA_TCD_CITER_CITER_MASK;
@@ -371,7 +372,8 @@ static inline void imxrt_tcd_configure(struct 
imxrt_edmatcd_s *tcd,
                                   0 : EDMA_TCD_CSR_DREQ;
   tcd->csr     |= config->flags & EDMA_CONFIG_INTHALF ?
                                   EDMA_TCD_CSR_INTHALF : 0;
-  tcd->dlastsga = config->flags & EDMA_CONFIG_LOOPDEST ? -config->iter : 0;
+  tcd->dlastsga = config->flags & EDMA_CONFIG_LOOPDEST ?
+                                  -(config->iter * config->nbytes) : 0;
 
   /* And special case flags */