Since vmmc can be optional for some platforms, use
devm_regulator_get_optional() for vmmc. Now return error only
in the case of -EPROBE_DEFER and for all other cases set
host->vcc to NULL.

Signed-off-by: Kishon Vijay Abraham I <kis...@ti.com>
---
 drivers/mmc/host/omap_hsmmc.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 4d12032..b673e59 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -344,11 +344,13 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host 
*host)
        struct regulator *reg;
        int ocr_value = 0;
 
-       reg = devm_regulator_get(host->dev, "vmmc");
+       reg = devm_regulator_get_optional(host->dev, "vmmc");
        if (IS_ERR(reg)) {
-               dev_err(host->dev, "unable to get vmmc regulator %ld\n",
+               if (PTR_ERR(reg) == -EPROBE_DEFER)
+                       return -EPROBE_DEFER;
+               host->vcc = NULL;
+               dev_dbg(host->dev, "unable to get vmmc regulator %ld\n",
                        PTR_ERR(reg));
-               return PTR_ERR(reg);
        } else {
                host->vcc = reg;
                ocr_value = mmc_regulator_get_ocrmask(reg);
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to