diff options
-rw-r--r-- | drivers/mci/mci-core.c | 5 | ||||
-rw-r--r-- | include/mci.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c index 7d43fe3ec3..fd052f16da 100644 --- a/drivers/mci/mci-core.c +++ b/drivers/mci/mci-core.c @@ -1352,6 +1352,11 @@ static int mci_card_probe(struct mci *mci) struct mci_host *host = mci->host; int rc, disknum; + if (host->card_present && !host->card_present(host)) { + dev_err(mci->mci_dev, "no card inserted\n"); + return -ENODEV; + } + /* start with a host interface reset */ rc = (host->init)(host, mci->mci_dev); if (rc) { diff --git a/include/mci.h b/include/mci.h index 0041e2714f..c0d179b592 100644 --- a/include/mci.h +++ b/include/mci.h @@ -300,6 +300,8 @@ struct mci_host { void (*set_ios)(struct mci_host*, struct mci_ios *); /** handle a command */ int (*send_cmd)(struct mci_host*, struct mci_cmd*, struct mci_data*); + /** check if a card is inserted */ + int (*card_present)(struct mci_host *); }; /** MMC/SD and interface instance information */ |