diff options
| author | Pratyush Yadav <p.yadav@ti.com> | 2020-06-23 21:30:14 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-07-14 19:29:37 +0300 |
| commit | 4c5e2bba30e49b970a0fd07b43e0b7a3b5fd5ea7 (patch) | |
| tree | 26f3159168133fdb63292c707deb896d6248631e /drivers | |
| parent | b3a9e3b9622ae10064826dccb4f7a52bd88c7407 (diff) | |
| download | linux-4c5e2bba30e49b970a0fd07b43e0b7a3b5fd5ea7.tar.xz | |
spi: spi-mem: allow specifying whether an op is DTR or not
Each phase is given a separate 'dtr' field so mixed protocols like
4S-4D-4D can be supported.
Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20200623183030.26591-2-p.yadav@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/spi-mem.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index 9a86cc27fcc0..93e255287ab9 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -156,6 +156,9 @@ bool spi_mem_default_supports_op(struct spi_mem *mem, op->data.dir == SPI_MEM_DATA_OUT)) return false; + if (op->cmd.dtr || op->addr.dtr || op->dummy.dtr || op->data.dtr) + return false; + return true; } EXPORT_SYMBOL_GPL(spi_mem_default_supports_op); |