diff options
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 7 | ||||
| -rw-r--r-- | drivers/mmc/host/dw_mmc.h | 2 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 3420a7ad6098..06dc56cbada8 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -2898,7 +2898,12 @@ static int dw_mci_init_slot_caps(struct dw_mci_slot *slot) if (host->pdata->caps2) mmc->caps2 = host->pdata->caps2; - mmc->f_min = DW_MCI_FREQ_MIN; + /* if host has set a minimum_freq, we should respect it */ + if (host->minimum_speed) + mmc->f_min = host->minimum_speed; + else + mmc->f_min = DW_MCI_FREQ_MIN; + if (!mmc->f_max) mmc->f_max = DW_MCI_FREQ_MAX; diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index 7f1e38621d13..4ed81f94f7ca 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -99,6 +99,7 @@ struct dw_mci_dma_slave { * @bus_hz: The rate of @mck in Hz. This forms the basis for MMC bus * rate and timeout calculations. * @current_speed: Configured rate of the controller. + * @minimum_speed: Stored minimum rate of the controller. * @fifoth_val: The value of FIFOTH register. * @verid: Denote Version ID. * @dev: Device associated with the MMC controller. @@ -201,6 +202,7 @@ struct dw_mci { u32 bus_hz; u32 current_speed; + u32 minimum_speed; u32 fifoth_val; u16 verid; struct device *dev; |