1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c
index 0842bbc2d7ad..4d0791f6ec23 100644
--- a/drivers/mmc/host/sdhci-xenon.c
+++ b/drivers/mmc/host/sdhci-xenon.c
@@ -230,7 +230,14 @@ static void xenon_set_power(struct sdhci_host *host, unsigned char mode,
                 mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd);
 }
 
+static void xenon_voltage_switch(struct sdhci_host *host)
+{
+        /* Wait for 5ms after set 1.8V signal enable bit */
+        usleep_range(5000, 5500);
+}
+
 static const struct sdhci_ops sdhci_xenon_ops = {
+        .voltage_switch         = xenon_voltage_switch,
         .set_clock              = sdhci_set_clock,
         .set_power              = xenon_set_power,
         .set_bus_width          = sdhci_set_bus_width,