@@ -1088,7 +1088,10 @@ void mmc_release_host(struct mmc_host *host)
spin_unlock_irqrestore(&host->lock, flags);
wake_up(&host->wq);
pm_runtime_mark_last_busy(mmc_dev(host));
- pm_runtime_put_autosuspend(mmc_dev(host));
+ if (host->caps & MMC_CAP_SYNC_RUNTIME_PM)
+ pm_runtime_put_sync_suspend(mmc_dev(host));
+ else
+ pm_runtime_put_autosuspend(mmc_dev(host));
}
}
EXPORT_SYMBOL(mmc_release_host);
@@ -323,7 +323,7 @@ struct mmc_host {
#define MMC_CAP_UHS (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | \
MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | \
MMC_CAP_UHS_DDR50)
-/* (1 << 21) is free for reuse */
+#define MMC_CAP_SYNC_RUNTIME_PM (1 << 21) /* Synced runtime PM suspends. */
#define MMC_CAP_DRIVER_TYPE_A (1 << 23) /* Host supports Driver Type A */
#define MMC_CAP_DRIVER_TYPE_C (1 << 24) /* Host supports Driver Type C */
#define MMC_CAP_DRIVER_TYPE_D (1 << 25) /* Host supports Driver Type D */