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| author | Marc Kleine-Budde <mkl@pengutronix.de> | 2020-09-17 22:24:20 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-09-23 20:59:32 +0200 |
| commit | bf253e6bf6b876a4ce74db7dcf8a13b80d84aa5f (patch) | |
| tree | 7313d444acaa0e5a2d74d688873eed0517c0a427 /drivers/spi/spi-imx.c | |
| parent | spi: omap2-mcspi: Improve performance waiting for CHSTAT (diff) | |
| download | linux-bf253e6bf6b876a4ce74db7dcf8a13b80d84aa5f.tar.xz linux-bf253e6bf6b876a4ce74db7dcf8a13b80d84aa5f.zip | |
spi: spi-imx: spi_imx_transfer(): add support for effective_speed_hz
This patch implementes the reporting of the effectivly used speed_hz for the
transfer by setting tfr->effective_speed_hz.
See the following patch, which adds this feature to the SPI core for more
information:
5d7e2b5ed585 spi: core: allow reporting the effectivly used speed_hz for a transfer
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://lore.kernel.org/r/20200917202420.1914104-1-mkl@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/spi/spi-imx.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 197f60632072..5158c48bd4db 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -1503,6 +1503,8 @@ static int spi_imx_transfer(struct spi_device *spi, { struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master); + transfer->effective_speed_hz = spi_imx->spi_bus_clk; + /* flush rxfifo before transfer */ while (spi_imx->devtype_data->rx_available(spi_imx)) readl(spi_imx->base + MXC_CSPIRXDATA); |