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>

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 828ac6c..d98b199 100644 (file)
--- 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);