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Subject[PATCH 5/6] spi: spi-fsl-dspi: Support SPI software timestamping in all non-DMA modes
Date
From: Vladimir Oltean <vladimir.oltean@nxp.com>

There's no reason to keep this .ptp_sts_supported property explicitly in
devtype_data, since it can be deduced from the operating mode alone.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
drivers/spi/spi-fsl-dspi.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index d21cc5cdc8a4..c26a42f8ecbc 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -122,7 +122,6 @@ enum dspi_trans_mode {
struct fsl_dspi_devtype_data {
enum dspi_trans_mode trans_mode;
u8 max_clock_factor;
- bool ptp_sts_supported;
bool xspi_mode;
int fifo_size;
int dma_bufsize;
@@ -150,48 +149,41 @@ static const struct fsl_dspi_devtype_data devtype_data[] = {
[LS1021A] = {
.trans_mode = DSPI_TCFQ_MODE,
.max_clock_factor = 8,
- .ptp_sts_supported = true,
.xspi_mode = true,
.fifo_size = 4,
},
[LS1012A] = {
.trans_mode = DSPI_TCFQ_MODE,
.max_clock_factor = 8,
- .ptp_sts_supported = true,
.xspi_mode = true,
.fifo_size = 16,
},
[LS1043A] = {
.trans_mode = DSPI_TCFQ_MODE,
.max_clock_factor = 8,
- .ptp_sts_supported = true,
.xspi_mode = true,
.fifo_size = 16,
},
[LS1046A] = {
.trans_mode = DSPI_TCFQ_MODE,
.max_clock_factor = 8,
- .ptp_sts_supported = true,
.xspi_mode = true,
.fifo_size = 16,
},
[LS2080A] = {
.trans_mode = DSPI_TCFQ_MODE,
.max_clock_factor = 8,
- .ptp_sts_supported = true,
.xspi_mode = true,
.fifo_size = 4,
},
[LS2085A] = {
.trans_mode = DSPI_TCFQ_MODE,
.max_clock_factor = 8,
- .ptp_sts_supported = true,
.fifo_size = 4,
},
[LX2160A] = {
.trans_mode = DSPI_TCFQ_MODE,
.max_clock_factor = 8,
- .ptp_sts_supported = true,
.xspi_mode = true,
.fifo_size = 4,
},
@@ -1246,7 +1238,8 @@ static int dspi_probe(struct platform_device *pdev)
ctlr->max_speed_hz =
clk_get_rate(dspi->clk) / dspi->devtype_data->max_clock_factor;

- ctlr->ptp_sts_supported = dspi->devtype_data->ptp_sts_supported;
+ if (dspi->devtype_data->trans_mode != DSPI_DMA_MODE)
+ ctlr->ptp_sts_supported = true;

platform_set_drvdata(pdev, ctlr);

--
2.17.1
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