Since v4.3+, CONFIG_REGULATOR_PBIAS should be enabled (for platforms that
have PBIAS regulator) in order for MMC1 to work.
Add a more verbose print to help enable CONFIG_REGULATOR_PBIAS for users
using a olddefconfig or a custom .config.
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
---
drivers/mmc/host/omap_hsmmc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 7fb0753..7086bd6 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -503,8 +503,11 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
host->pbias = devm_regulator_get_optional(host->dev, "pbias");
if (IS_ERR(host->pbias)) {
ret = PTR_ERR(host->pbias);
- if ((ret != -ENODEV) && host->dev->of_node)
+ if ((ret != -ENODEV) && host->dev->of_node) {
+ dev_err(host->dev,
+ "SD card detect fail? enable CONFIG_REGULATOR_PBIAS\n");
return ret;
+ }
dev_dbg(host->dev, "unable to get pbias regulator %ld\n",
PTR_ERR(host->pbias));
host->pbias = NULL;
--
1.7.9.5
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