From a1eb40b70b40d208a72765c0f56cffed4e22ff30 Mon Sep 17 00:00:00 2001 From: Pratyush Yadav Date: Sat, 26 Jun 2021 00:47:03 +0530 Subject: 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 Reviewed-by: Jagan Teki --- drivers/spi/spi-mem.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index c095ae9505a..427f7c13c56 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -164,6 +164,9 @@ bool spi_mem_default_supports_op(struct spi_slave *slave, 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); -- cgit v1.2.3