diff options
Diffstat (limited to 'drivers/mmc/host/sdhci-tegra.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-tegra.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 525e8bf59df1..1b4739e64735 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -288,13 +288,30 @@ static void tegra_sdhci_set_clock(struct sdhci_host *sdhci, unsigned int clock) static int tegra_sdhci_suspend(struct sdhci_host *sdhci, pm_message_t state) { + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(sdhci); + struct tegra_sdhci_host *tegra_host = pltfm_host->priv; + tegra_sdhci_set_clock(sdhci, 0); + /* Disable the power rails if any */ + if (tegra_host->vdd_slot_reg) + regulator_disable(tegra_host->vdd_slot_reg); + if (tegra_host->vdd_io_reg) + regulator_disable(tegra_host->vdd_io_reg); return 0; } static int tegra_sdhci_resume(struct sdhci_host *sdhci) { + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(sdhci); + struct tegra_sdhci_host *tegra_host = pltfm_host->priv; + + /* Enable the power rails if any */ + if (tegra_host->vdd_io_reg) + regulator_enable(tegra_host->vdd_io_reg); + if (tegra_host->vdd_slot_reg) + regulator_enable(tegra_host->vdd_slot_reg); + /* Setting the min identification clock of freq 400KHz */ tegra_sdhci_set_clock(sdhci, 400000); |