diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 3d338b4..0636e9a5 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2349,19 +2349,30 @@ out: int sdhci_suspend_host(struct sdhci_host *host) { int ret; + bool has_tuning_timer; 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) { del_timer_sync(&host->tuning_timer); host->flags &= ~SDHCI_NEEDS_RETUNING; } ret = mmc_suspend_host(host->mmc); - if (ret) + 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; + } free_irq(host->irq, host); |
