mmc: sdhci: Do not BUG on invalid vdd

[ Upstream commit 9d5de93f6d543b356e39e225988ef443a7bce34c ]

The driver may not be able to set the power correctly but that
is not a reason to BUG().

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index fc9891fdb835de7113bbcbc490e71e4f2023ae14..552a34dc4f82660f4b1295fd5a9c65df29f56f80 100644 (file)
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1315,7 +1315,9 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned char mode,
                        pwr = SDHCI_POWER_330;
                        break;
                default:
-                       BUG();
+                       WARN(1, "%s: Invalid vdd %#x\n",
+                            mmc_hostname(host->mmc), vdd);
+                       break;
                }
        }