[PATCH v3] spi: cadence: revert "Add SPI transfer delays"

From: Nam Cao
Date: Wed Dec 06 2023 - 09:53:06 EST


The commit 855a40cd8ccc ("spi: cadence: Add SPI transfer delays") adds a
delay after each transfer into the driver's transfer_one(). However,
the delay is already done in SPI core. So this commit unnecessarily
doubles the delay amount. Revert this commit.

Signed-off-by: Nam Cao <namcao@xxxxxxxxxxxxx>
---
v3: add missing change log

v2:
- update subject format
- rewrite commit message to be more descriptive

drivers/spi/spi-cadence.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c
index 12c940ba074a..bd96d8b546cd 100644
--- a/drivers/spi/spi-cadence.c
+++ b/drivers/spi/spi-cadence.c
@@ -451,7 +451,6 @@ static int cdns_transfer_one(struct spi_controller *ctlr,
udelay(10);

cdns_spi_process_fifo(xspi, xspi->tx_fifo_depth, 0);
- spi_transfer_delay_exec(transfer);

cdns_spi_write(xspi, CDNS_SPI_IER, CDNS_SPI_IXR_DEFAULT);
return transfer->len;
--
2.39.2