diff options
| -rw-r--r-- | drivers/mmc/core/mmc.c | 12 | ||||
| -rw-r--r-- | drivers/mmc/core/sd.c | 12 | ||||
| -rw-r--r-- | include/linux/mmc/host.h | 1 |
3 files changed, 15 insertions, 10 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 7f5dc26865de..f631f5a9bf79 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1577,11 +1577,13 @@ static int mmc_shutdown(struct mmc_host *host) */ static int mmc_resume(struct mmc_host *host) { - int err; + int err = 0; - err = _mmc_resume(host); - pm_runtime_set_active(&host->card->dev); - pm_runtime_mark_last_busy(&host->card->dev); + if (!(host->caps & MMC_CAP_RUNTIME_RESUME)) { + err = _mmc_resume(host); + pm_runtime_set_active(&host->card->dev); + pm_runtime_mark_last_busy(&host->card->dev); + } pm_runtime_enable(&host->card->dev); return err; @@ -1612,7 +1614,7 @@ static int mmc_runtime_resume(struct mmc_host *host) { int err; - if (!(host->caps & MMC_CAP_AGGRESSIVE_PM)) + if (!(host->caps & (MMC_CAP_AGGRESSIVE_PM | MMC_CAP_RUNTIME_RESUME))) return 0; err = _mmc_resume(host); diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 447fa8e9f322..6f42050b7ccc 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -1139,11 +1139,13 @@ out: */ static int mmc_sd_resume(struct mmc_host *host) { - int err; + int err = 0; - err = _mmc_sd_resume(host); - pm_runtime_set_active(&host->card->dev); - pm_runtime_mark_last_busy(&host->card->dev); + if (!(host->caps & MMC_CAP_RUNTIME_RESUME)) { + err = _mmc_sd_resume(host); + pm_runtime_set_active(&host->card->dev); + pm_runtime_mark_last_busy(&host->card->dev); + } pm_runtime_enable(&host->card->dev); return err; @@ -1174,7 +1176,7 @@ static int mmc_sd_runtime_resume(struct mmc_host *host) { int err; - if (!(host->caps & MMC_CAP_AGGRESSIVE_PM)) + if (!(host->caps & (MMC_CAP_AGGRESSIVE_PM | MMC_CAP_RUNTIME_RESUME))) return 0; err = _mmc_sd_resume(host); diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index f18669e15d4d..99f5709ac343 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -254,6 +254,7 @@ struct mmc_host { #define MMC_CAP_UHS_SDR50 (1 << 17) /* Host supports UHS SDR50 mode */ #define MMC_CAP_UHS_SDR104 (1 << 18) /* Host supports UHS SDR104 mode */ #define MMC_CAP_UHS_DDR50 (1 << 19) /* Host supports UHS DDR50 mode */ +#define MMC_CAP_RUNTIME_RESUME (1 << 20) /* Resume at runtime_resume. */ #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 */ |