[PATCH 3/5] mmc: sdhci: Indicate that regulators may be absent

From: Mark Brown
Date: Tue Jul 30 2013 - 07:47:50 EST


From: Mark Brown <broonie@xxxxxxxxxx>

Use regulator_get_optional() to tell the core that requests for regulators
can fail in a real system.

Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
drivers/mmc/host/sdhci.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index a78bd4f..dd2c083 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2966,7 +2966,7 @@ int sdhci_add_host(struct sdhci_host *host)
mmc->caps |= MMC_CAP_NEEDS_POLL;

/* If vqmmc regulator and no 1.8V signalling, then there's no UHS */
- host->vqmmc = regulator_get(mmc_dev(mmc), "vqmmc");
+ host->vqmmc = regulator_get_optional(mmc_dev(mmc), "vqmmc");
if (IS_ERR_OR_NULL(host->vqmmc)) {
if (PTR_ERR(host->vqmmc) < 0) {
pr_info("%s: no vqmmc regulator found\n",
@@ -3042,7 +3042,7 @@ int sdhci_add_host(struct sdhci_host *host)

ocr_avail = 0;

- host->vmmc = regulator_get(mmc_dev(mmc), "vmmc");
+ host->vmmc = regulator_get_optional(mmc_dev(mmc), "vmmc");
if (IS_ERR_OR_NULL(host->vmmc)) {
if (PTR_ERR(host->vmmc) < 0) {
pr_info("%s: no vmmc regulator found\n",
--
1.8.3.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/