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

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>
Acked-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Kishon Vijay Abraham I 2016-01-14 14:45:20 +05:30 committed by Ulf Hansson
parent 0899e74193
commit 9143757b57
1 changed files with 4 additions and 1 deletions
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5
drivers/mmc/host/omap_hsmmc.c
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@ -503,8 +503,11 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
host->pbias = devm_regulator_get_optional(host->dev, "pbias"); host->pbias = devm_regulator_get_optional(host->dev, "pbias");
if (IS_ERR(host->pbias)) { if (IS_ERR(host->pbias)) {
ret = PTR_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; return ret;
}
dev_dbg(host->dev, "unable to get pbias regulator %ld\n", dev_dbg(host->dev, "unable to get pbias regulator %ld\n",
PTR_ERR(host->pbias)); PTR_ERR(host->pbias));
host->pbias = NULL; host->pbias = NULL;