When using jailhouse to support two Linux on i.MX8MQ EVK, we use the
1st Linux to configure pinctrl for the 2nd Linux. Then the 2nd Linux
could use the mmc without pinctrl driver.
So give a warning message when no pinctrl available, but no fail probe.
Signed-off-by: Haibo Chen <haibo.chen@xxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
drivers/mmc/host/sdhci-esdhc-imx.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 1c988d6a2433..3830f4dc8dfc 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -1489,13 +1489,14 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
imx_data->pinctrl = devm_pinctrl_get(&pdev->dev);
if (IS_ERR(imx_data->pinctrl)) {
err = PTR_ERR(imx_data->pinctrl);
- goto disable_ahb_clk;
- }
-
- imx_data->pins_default = pinctrl_lookup_state(imx_data->pinctrl,
+ dev_warn(mmc_dev(host->mmc), "could not get pinctrl\n");
+ imx_data->pins_default = ERR_PTR(-EINVAL);
+ } else {
+ imx_data->pins_default = pinctrl_lookup_state(imx_data->pinctrl,
PINCTRL_STATE_DEFAULT);
- if (IS_ERR(imx_data->pins_default))
- dev_warn(mmc_dev(host->mmc), "could not get default state\n");
+ if (IS_ERR(imx_data->pins_default))
+ dev_warn(mmc_dev(host->mmc), "could not get default state\n");
+ }
if (esdhc_is_usdhc(imx_data)) {
host->quirks2 |= SDHCI_QUIRK2_PRESET_VALUE_BROKEN;
--
2.17.1
