From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Mark Brown <broonie@kernel.org>
Cc: linux-spi@vger.kernel.org, Marc Kleine-Budde <mkl@pengutronix.de>,
NXP Linux Team <linux-imx@nxp.com>,
kernel@pengutronix.de, Shawn Guo <shawnguo@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH] spi: spi-imx: spi_imx_transfer(): add support for effective_speed_hz
Date: Thu, 17 Sep 2020 22:24:20 +0200 [thread overview]
Message-ID: <20200917202420.1914104-1-mkl@pengutronix.de> (raw)
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>
---
drivers/spi/spi-imx.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 38a5f1304cec..13692c69676f 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);
--
2.28.0
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next reply other threads:[~2020-09-17 20:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-17 20:24 Marc Kleine-Budde [this message]
2020-09-23 19:00 ` [PATCH] spi: spi-imx: spi_imx_transfer(): add support for effective_speed_hz Mark Brown
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