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authorMarek Vasut <marex@denx.de>2021-07-27 18:04:28 +0200
committerMark Brown <broonie@kernel.org>2021-07-28 16:39:22 +0100
commit36c2530ea963884eeb0097169f853fdc36f16ad7 (patch)
tree61c6e1e997630d474460de7d75d23d3607ee81ca /drivers/spi
parent53ca18acbe645656132fb5a329833db711067e54 (diff)
spi: imx: mx51-ecspi: Fix CONFIGREG delay comment
For (2 * 1000000) / min_speed_hz < 10 to be true in naturals with zero, the min_speed_hz must be above 200000 (i.e. 200001 rounds down to 9, so the condition triggers). Update the comment. No functional change. Fixes: 6fd8b8503a0dc ("spi: spi-imx: Fix out-of-order CS/SCLK operation at low speeds") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Mark Brown <broonie@kernel.org> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20210727160428.7673-1-marex@denx.de Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-imx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 2872993550bd..fa68e9817929 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -593,7 +593,7 @@ static int mx51_ecspi_prepare_message(struct spi_imx_data *spi_imx,
}
delay = (2 * 1000000) / min_speed_hz;
- if (likely(delay < 10)) /* SCLK is faster than 100 kHz */
+ if (likely(delay < 10)) /* SCLK is faster than 200 kHz */
udelay(delay);
else /* SCLK is _very_ slow */
usleep_range(delay, delay + 10);