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Kirill Smelkov
linux
Commits
35bba23e
Commit
35bba23e
authored
Jan 30, 2023
by
Mark Brown
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Merge remote-tracking branch 'spi/for-6.2' into spi-6.2
parents
50028988
eede42c9
Changes
2
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2 changed files
with
17 additions
and
6 deletions
+17
-6
drivers/spi/spi-dw-core.c
drivers/spi/spi-dw-core.c
+1
-1
drivers/spi/spidev.c
drivers/spi/spidev.c
+16
-5
No files found.
drivers/spi/spi-dw-core.c
View file @
35bba23e
...
...
@@ -366,7 +366,7 @@ static void dw_spi_irq_setup(struct dw_spi *dws)
* will be adjusted at the final stage of the IRQ-based SPI transfer
* execution so not to lose the leftover of the incoming data.
*/
level
=
min_t
(
u
16
,
dws
->
fifo_len
/
2
,
dws
->
tx_len
);
level
=
min_t
(
u
nsigned
int
,
dws
->
fifo_len
/
2
,
dws
->
tx_len
);
dw_writel
(
dws
,
DW_SPI_TXFTLR
,
level
);
dw_writel
(
dws
,
DW_SPI_RXFTLR
,
level
-
1
);
...
...
drivers/spi/spidev.c
View file @
35bba23e
...
...
@@ -89,10 +89,22 @@ MODULE_PARM_DESC(bufsiz, "data bytes in biggest supported SPI message");
/*-------------------------------------------------------------------------*/
static
ssize_t
spidev_sync_unlocked
(
struct
spi_device
*
spi
,
struct
spi_message
*
message
)
{
ssize_t
status
;
status
=
spi_sync
(
spi
,
message
);
if
(
status
==
0
)
status
=
message
->
actual_length
;
return
status
;
}
static
ssize_t
spidev_sync
(
struct
spidev_data
*
spidev
,
struct
spi_message
*
message
)
{
in
t
status
;
ssize_
t
status
;
struct
spi_device
*
spi
;
mutex_lock
(
&
spidev
->
spi_lock
);
...
...
@@ -101,10 +113,9 @@ spidev_sync(struct spidev_data *spidev, struct spi_message *message)
if
(
spi
==
NULL
)
status
=
-
ESHUTDOWN
;
else
status
=
spi
_sync
(
spi
,
message
);
status
=
spi
dev_sync_unlocked
(
spi
,
message
);
if
(
status
==
0
)
status
=
message
->
actual_length
;
mutex_unlock
(
&
spidev
->
spi_lock
);
mutex_unlock
(
&
spidev
->
spi_lock
);
return
status
;
...
...
@@ -294,7 +305,7 @@ static int spidev_message(struct spidev_data *spidev,
spi_message_add_tail
(
k_tmp
,
&
msg
);
}
status
=
spidev_sync
(
spidev
,
&
msg
);
status
=
spidev_sync
_unlocked
(
spidev
->
spi
,
&
msg
);
if
(
status
<
0
)
goto
done
;
...
...
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