diff options
| -rw-r--r-- | drivers/mmc/mmc_legacy.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/mmc/mmc_legacy.c b/drivers/mmc/mmc_legacy.c index 66a7cda440..b0f5cf58a2 100644 --- a/drivers/mmc/mmc_legacy.c +++ b/drivers/mmc/mmc_legacy.c @@ -150,6 +150,15 @@ struct mmc *mmc_create(const struct mmc_config *cfg, void *priv) { struct mmc *mmc = &mmc_static; + /* First MMC device registered, fail to register a new one. + * Given users are not expecting this to fail, instead + * of failing let's just return the only MMC device + */ + if (mmc->cfg) { + debug("Warning: MMC_TINY doesn't support multiple MMC devices\n"); + return mmc; + } + mmc->cfg = cfg; mmc->priv = priv; |