diff options
| author | Marek Vasut <marex@denx.de> | 2020-05-22 18:28:33 +0200 |
|---|---|---|
| committer | Peng Fan <peng.fan@nxp.com> | 2020-06-15 09:45:22 +0800 |
| commit | 50a17a69be076316e4c539b75403acfabf9e4c4c (patch) | |
| tree | 2af05c95a126226f5274689d7d0a8302b527e5a7 /drivers/mmc | |
| parent | 406df85345f942d9348443983d81a01e013e920b (diff) | |
| download | u-boot-50a17a69be076316e4c539b75403acfabf9e4c4c.tar.gz u-boot-50a17a69be076316e4c539b75403acfabf9e4c4c.tar.xz u-boot-50a17a69be076316e4c539b75403acfabf9e4c4c.zip | |
mmc: fsl_esdhc: Gracefully fail on unsupported voltage switch
Unsupported voltage on voltage switch is not an error, do not
print error message in such a case. This happens e.g. if the
eMMC is already in 1V8 mode or when testing 1V2 mode operation
on systems which only do 3V3/1V8 switching.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/fsl_esdhc_imx.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c index f3101a061a..f42e018434 100644 --- a/drivers/mmc/fsl_esdhc_imx.c +++ b/drivers/mmc/fsl_esdhc_imx.c @@ -791,7 +791,7 @@ static int esdhc_set_voltage(struct mmc *mmc) switch (mmc->signal_voltage) { case MMC_SIGNAL_VOLTAGE_330: if (priv->vs18_enable) - return -EIO; + return -ENOTSUPP; #if CONFIG_IS_ENABLED(DM_REGULATOR) if (!IS_ERR_OR_NULL(priv->vqmmc_dev)) { ret = regulator_set_value(priv->vqmmc_dev, 3300000); @@ -972,7 +972,8 @@ static int esdhc_set_ios_common(struct fsl_esdhc_priv *priv, struct mmc *mmc) if (priv->signal_voltage != mmc->signal_voltage) { ret = esdhc_set_voltage(mmc); if (ret) { - printf("esdhc_set_voltage error %d\n", ret); + if (ret != -ENOTSUPP) + printf("esdhc_set_voltage error %d\n", ret); return ret; } } |