diff options
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 495586924d60..22814660bc34 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2330,20 +2330,34 @@ out: int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state) { int ret = 0; + bool has_tuning_timer; struct mmc_host *mmc = host->mmc; sdhci_disable_card_detection(host); /* Disable tuning since we are suspending */ - if (host->version >= SDHCI_SPEC_300 && host->tuning_count && - host->tuning_mode == SDHCI_TUNING_MODE_1) { + has_tuning_timer = host->version >= SDHCI_SPEC_300 && + host->tuning_count && host->tuning_mode == SDHCI_TUNING_MODE_1; + if (has_tuning_timer) { host->flags &= ~SDHCI_NEEDS_RETUNING; mod_timer(&host->tuning_timer, jiffies + host->tuning_count * HZ); } - if (mmc->card) + if (mmc->card) { ret = mmc_suspend_host(host->mmc); + if (ret) { + if (has_tuning_timer) { + host->flags |= SDHCI_NEEDS_RETUNING; + mod_timer(&host->tuning_timer, jiffies + + host->tuning_count * HZ); + } + + sdhci_enable_card_detection(host); + + return ret; + } + } if (mmc->pm_flags & MMC_PM_KEEP_POWER) host->card_int_set = sdhci_readl(host, SDHCI_INT_ENABLE) & |