[bootlin/training-materials updates] master: kernel-dma: Align examples with textual paragraphs (78796308)

[Miquel Raynal]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/78796308e4a54997200e1362514b0e04238d3079

>---------------------------------------------------------------

commit 78796308e4a54997200e1362514b0e04238d3079
Author: Miquel Raynal <miquel.raynal at bootlin.com>
Date:   Thu Jul 27 19:58:36 2023 +0200

    kernel-dma: Align examples with textual paragraphs
    
    Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>


>---------------------------------------------------------------

78796308e4a54997200e1362514b0e04238d3079
 labs/kernel-serial-dma/kernel-serial-dma.tex | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/labs/kernel-serial-dma/kernel-serial-dma.tex b/labs/kernel-serial-dma/kernel-serial-dma.tex
index 09cb6665..ca34e6ee 100644
--- a/labs/kernel-serial-dma/kernel-serial-dma.tex
+++ b/labs/kernel-serial-dma/kernel-serial-dma.tex
@@ -210,7 +210,7 @@ plus the additional details we can now provide:
 \begin{verbatim}
 struct dma_async_tx_descriptor *desc;
 
-desc = dmaengine_prep_slave_single(dma->txchan, dma->dma_addr + 1,
+desc = dmaengine_prep_slave_single(serial->txchan, serial->dma_addr + 1,
                                    len - 1, DMA_MEM_TO_DEV,
                                    DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
 if (!desc) ...
@@ -240,7 +240,7 @@ required on the DMA controller side, but remember here we also need to trigger
 it on the UART controller side:
 
 \begin{verbatim}
-dma_async_issue_pending(dma->txchan);
+dma_async_issue_pending(serial->txchan);
 reg_write(serial, first, UART_TX);
 \end{verbatim}