mmc: Allow the tmio_mmc mfd driver to specify get_cd handler

[karo-tx-linux.git] / drivers / mmc / host / tmio_mmc.c

diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index 69d98e3bf6abaa3c784d1d70f171387b3142eb64..1a47221d01a4ff6af673e2057c3a62aa758d516b 100644 (file)
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -756,10 +756,23 @@ static int tmio_mmc_get_ro(struct mmc_host *mmc)
                (sd_ctrl_read32(host, CTL_STATUS) & TMIO_STAT_WRPROTECT)) ? 0 : 1;
 }
 
+static int tmio_mmc_get_cd(struct mmc_host *mmc)
+{
+       struct tmio_mmc_host *host = mmc_priv(mmc);
+       struct mfd_cell *cell = host->pdev->dev.platform_data;
+       struct tmio_mmc_data *pdata = cell->driver_data;
+
+       if (!pdata->get_cd)
+               return -ENOSYS;
+       else
+               return pdata->get_cd(host->pdev);
+}
+
 static const struct mmc_host_ops tmio_mmc_ops = {
        .request        = tmio_mmc_request,
        .set_ios        = tmio_mmc_set_ios,
        .get_ro         = tmio_mmc_get_ro,
+       .get_cd         = tmio_mmc_get_cd,
 };
 
 #ifdef CONFIG_PM