[PATCH] mmc: fsl_esdhc_imx.c: fix compiler warning

[Heiko Schocher]

prevent unsued variable compiler warning if
DM_REGULATOR is not set.

Signed-off-by: Heiko Schocher <hs at denx.de>
---

 drivers/mmc/fsl_esdhc_imx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index f47a095c50f..8ac859797f0 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -790,7 +790,9 @@ static int esdhc_set_voltage(struct mmc *mmc)
 {
 	struct fsl_esdhc_priv *priv = dev_get_priv(mmc->dev);
 	struct fsl_esdhc *regs = priv->esdhc_regs;
+#if CONFIG_IS_ENABLED(DM_REGULATOR)
 	int ret;
+#endif
 
 	priv->signal_voltage = mmc->signal_voltage;
 	switch (mmc->signal_voltage) {
-- 
2.25.4