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>

diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 2872993..fa68e98 100644 (file)
--- 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);