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FMC ADC 100M 14b 4cha - Software
Commits
61b4ff9c
Commit
61b4ff9c
authored
Sep 09, 2020
by
Federico Vaga
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drv: use DMA engine error reporting
Signed-off-by:
Federico Vaga
<
federico.vaga@cern.ch
>
parent
d42ceca9
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7 additions
and
2 deletions
+7
-2
fa-dma.c
kernel/fa-dma.c
+7
-2
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kernel/fa-dma.c
View file @
61b4ff9c
...
...
@@ -239,12 +239,16 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_sg_ctx(
*
* It handles the data transfer completion of a block
*/
static
void
zfad_dma_complete
(
void
*
arg
)
static
void
fa_dma_complete
(
void
*
arg
,
const
struct
dmaengine_result
*
result
)
{
struct
zfad_block
*
zfad_block
=
arg
;
struct
zio_cset
*
cset
=
zfad_block
->
cset
;
struct
fa_dev
*
fa
=
cset
->
zdev
->
priv_d
;
if
(
result
->
result
!=
DMA_TRANS_NOERROR
)
dev_err
(
&
fa
->
pdev
->
dev
,
"DMA failed %d
\n
"
,
result
->
result
);
/* Release DMA resources */
dma_unmap_sg
(
&
fa
->
pdev
->
dev
,
zfad_block
->
sgt
.
sgl
,
...
...
@@ -325,7 +329,8 @@ static int zfad_dma_prep_slave_sg(struct dma_chan *dchan,
"Failed to prepare dmaengine transfer descriptor
\n
"
);
return
-
EBUSY
;
}
tx
->
callback
=
zfad_dma_complete
;
tx
->
callback_result
=
fa_dma_complete
;
tx
->
callback_param
=
(
void
*
)
zfad_block
;
zfad_block
->
tx
=
tx
;
...
...
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