diff options
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index bc1de70360c..d9966568143 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1682,11 +1682,15 @@ static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host, pwr = sdhci_readb(host, SDHCI_POWER_CONTROL); pwr &= ~SDHCI_POWER_ON; sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); + if (host->vmmc) + regulator_disable(host->vmmc); /* Wait for 1ms as per the spec */ usleep_range(1000, 1500); pwr |= SDHCI_POWER_ON; sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); + if (host->vmmc) + regulator_enable(host->vmmc); pr_info(DRIVER_NAME ": Switching to 1.8V signalling " "voltage failed, retrying with S18R set to 0\n"); |