diff options
Diffstat (limited to 'drivers/mmc/core/sdio.c')
| -rw-r--r-- | drivers/mmc/core/sdio.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 0fda7784cab2..3eb94ac2712e 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -985,21 +985,37 @@ out: */ static int mmc_sdio_pre_suspend(struct mmc_host *host) { - int i, err = 0; + int i; for (i = 0; i < host->card->sdio_funcs; i++) { struct sdio_func *func = host->card->sdio_func[i]; if (func && sdio_func_present(func) && func->dev.driver) { const struct dev_pm_ops *pmops = func->dev.driver->pm; - if (!pmops || !pmops->suspend || !pmops->resume) { + if (!pmops || !pmops->suspend || !pmops->resume) /* force removal of entire card in that case */ - err = -ENOSYS; - break; - } + goto remove; } } - return err; + return 0; + +remove: + if (!mmc_card_is_removable(host)) { + dev_warn(mmc_dev(host), + "missing suspend/resume ops for non-removable SDIO card\n"); + /* Don't remove a non-removable card - we can't re-detect it. */ + return 0; + } + + /* Remove the SDIO card and let it be re-detected later on. */ + mmc_sdio_remove(host); + mmc_claim_host(host); + mmc_detach_bus(host); + mmc_power_off(host); + mmc_release_host(host); + host->pm_flags = 0; + + return 0; } /* |