diff options
Diffstat (limited to 'drivers/mmc/core/sdio.c')
| -rw-r--r-- | drivers/mmc/core/sdio.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index fae732c870a9..cc43687ca241 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -1104,6 +1104,12 @@ int mmc_attach_sdio(struct mmc_host *host) */ if (host->caps & MMC_CAP_POWER_OFF_CARD) { /* + * Do not allow runtime suspend until after SDIO function + * devices are added. + */ + pm_runtime_get_noresume(&card->dev); + + /* * Let runtime PM core know our card is active */ err = pm_runtime_set_active(&card->dev); @@ -1155,19 +1161,23 @@ int mmc_attach_sdio(struct mmc_host *host) goto remove_added; } + if (host->caps & MMC_CAP_POWER_OFF_CARD) + pm_runtime_put(&card->dev); + mmc_claim_host(host); return 0; -remove_added: - /* Remove without lock if the device has been added. */ - mmc_sdio_remove(host); - mmc_claim_host(host); remove: - /* And with lock if it hasn't been added. */ mmc_release_host(host); - if (host->card) - mmc_sdio_remove(host); +remove_added: + /* + * The devices are being deleted so it is not necessary to disable + * runtime PM. Similarly we also don't pm_runtime_put() the SDIO card + * because it needs to be active to remove any function devices that + * were probed, and after that it gets deleted. + */ + mmc_sdio_remove(host); mmc_claim_host(host); err: mmc_detach_bus(host); |