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Diffstat (limited to 'drivers/mmc/core/host.c')
| -rw-r--r-- | drivers/mmc/core/host.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 2c7ce8f43a9a..37b761891d67 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -100,6 +100,9 @@ int mmc_add_host(struct mmc_host *host) { int err; + WARN_ON((host->caps & MMC_CAP_SDIO_IRQ) && + !host->ops->enable_sdio_irq); + if (!idr_pre_get(&mmc_host_idr, GFP_KERNEL)) return -ENOMEM; |