diff mbox

mmc: host: omap_hsmmc: add a verbose print to enable CONFIG_REGULATOR_PBIAS

Message ID 1452762920-2588-1-git-send-email-kishon@ti.com
State Accepted
Commit 9143757b57ce549127e1f7bc942e7b61e3b51adf
Headers show

Commit Message

Kishon Vijay Abraham I Jan. 14, 2016, 9:15 a.m. UTC
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@ti.com>

---
 drivers/mmc/host/omap_hsmmc.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

-- 
1.7.9.5

Comments

Ulf Hansson Jan. 27, 2016, 2:15 p.m. UTC | #1
On 14 January 2016 at 10:15, Kishon Vijay Abraham I <kishon@ti.com> wrote:
> 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@ti.com>


Thanks,applied for next!

Kind regards
Uffe

> ---

>  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

>
diff mbox

Patch

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;