diff options
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/host/sdhci.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 12015151fab9..b0a5629dea3e 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -245,6 +245,18 @@ static void sdhci_init(struct sdhci_host *host, int soft) static void sdhci_reinit(struct sdhci_host *host) { sdhci_init(host, 0); + /* + * Retuning stuffs are affected by different cards inserted and only + * applicable to UHS-I cards. So reset these fields to their initial + * value when card is removed. + */ + if (host->version >= SDHCI_SPEC_300 && host->tuning_count && + host->tuning_mode == SDHCI_TUNING_MODE_1) { + del_timer_sync(&host->tuning_timer); + host->flags &= ~SDHCI_NEEDS_RETUNING; + host->mmc->max_blk_count = + (host->quirks & SDHCI_QUIRK_NO_MULTIBLOCK) ? 1 : 65535; + } sdhci_enable_card_detection(host); } |