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authorPhilip Rakity <prakity@marvell.com>2012-07-23 17:25:18 -0700
committerChris Ball <cjb@laptop.org>2012-09-04 13:58:13 -0400
commit77dcb3f4c344d4c9619803848f1aba4d271dac7b (patch)
treef65cd13ee8f89702dabe7c05189bb35eccbb686c
parent6231f3de1332b2a8a90e0c598ab6acc8f1eff7c1 (diff)
mmc: sdhci: vmmc regulator should be explicitly enabled/disabled
The vmmc regulator should not rely on the platform code to enable it. Expliciitly enable and disable the regulator inside the driver. Signed-off-by: Philip Rakity <prakity@marvell.com> Signed-off-by: Chris Ball <cjb@laptop.org>
-rw-r--r--drivers/mmc/host/sdhci.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 828ac6c2990c..d98b1992d778 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2908,7 +2908,8 @@ int sdhci_add_host(struct sdhci_host *host)
if (IS_ERR(host->vmmc)) {
pr_info("%s: no vmmc regulator found\n", mmc_hostname(mmc));
host->vmmc = NULL;
- }
+ } else
+ regulator_enable(host->vmmc);
#ifdef CONFIG_REGULATOR
if (host->vmmc) {
@@ -3165,8 +3166,10 @@ void sdhci_remove_host(struct sdhci_host *host, int dead)
tasklet_kill(&host->card_tasklet);
tasklet_kill(&host->finish_tasklet);
- if (host->vmmc)
+ if (host->vmmc) {
+ regulator_disable(host->vmmc);
regulator_put(host->vmmc);
+ }
if (host->vqmmc) {
regulator_disable(host->vqmmc);