diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 13 | ||||
| -rw-r--r-- | drivers/mmc/host/dw_mmc.h | 1 |
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 45b1a3de0b68..b44306b886cb 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -1176,13 +1176,24 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot, bool force_clkinit) div = (host->bus_hz != clock) ? DIV_ROUND_UP(div, 2) : 0; - if (clock != slot->__clk_old || force_clkinit) + if ((clock != slot->__clk_old && + !test_bit(DW_MMC_CARD_NEEDS_POLL, &slot->flags)) || + force_clkinit) { dev_info(&slot->mmc->class_dev, "Bus speed (slot %d) = %dHz (slot req %dHz, actual %dHZ div = %d)\n", slot->id, host->bus_hz, clock, div ? ((host->bus_hz / div) >> 1) : host->bus_hz, div); + /* + * If card is polling, display the message only + * one time at boot time. + */ + if (slot->mmc->caps & MMC_CAP_NEEDS_POLL && + slot->mmc->f_min == clock) + set_bit(DW_MMC_CARD_NEEDS_POLL, &slot->flags); + } + /* disable clock */ mci_writel(host, CLKENA, 0); mci_writel(host, CLKSRC, 0); diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index 4a6ae750feeb..c59465829387 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -272,6 +272,7 @@ struct dw_mci_slot { #define DW_MMC_CARD_NEED_INIT 1 #define DW_MMC_CARD_NO_LOW_PWR 2 #define DW_MMC_CARD_NO_USE_HOLD 3 +#define DW_MMC_CARD_NEEDS_POLL 4 int id; int sdio_id; }; |