diff options
| -rw-r--r-- | drivers/mmc/host/mmc_spi.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index 09d7a6a0dc1a..c9caa1ece7ef 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -1208,7 +1208,10 @@ static int mmc_spi_probe(struct spi_device *spi) * that's the only reason not to use a few MHz for f_min (until * the upper layer reads the target frequency from the CSD). */ - mmc->f_min = 400000; + if (spi->controller->min_speed_hz > 400000) + dev_warn(&spi->dev,"Controller unable to reduce bus clock to 400 KHz\n"); + + mmc->f_min = max(spi->controller->min_speed_hz, 400000); mmc->f_max = spi->max_speed_hz; host = mmc_priv(mmc); |