diff options
| author | David Yu <davyu@nvidia.com> | 2014-01-27 19:54:33 +0900 |
|---|---|---|
| committer | Harry Hong <hhong@nvidia.com> | 2014-01-27 18:35:07 -0800 |
| commit | d158089ee8f7fe840fefc3d65b964503d4d0e4a8 (patch) | |
| tree | c4488c5ea246dcbe301e10071b98c0659080f928 /drivers | |
| parent | 477a5f171ca507b0f22d2d267397c3a246184402 (diff) | |
mmc: sdhci: tegra: fix power rail policy
Keep power rail on unless otherwise specified on shutdown.
Bug 1445876
Change-Id: I5a0309226177c10ab52f25703c7133be63faa6b4
Signed-off-by: David Yu <davyu@nvidia.com>
Reviewed-on: http://git-master/r/360385
Reviewed-by: Harry Hong <hhong@nvidia.com>
Tested-by: Harry Hong <hhong@nvidia.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/sdhci-tegra.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 573325e249f3..bcca95d2b9cd 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -350,6 +350,7 @@ struct sdhci_tegra { struct tegra_tuning_data tuning_data[DFS_FREQ_COUNT]; bool is_parent_pllc; struct tegra_freq_gov_data *gov_data; + bool power_off_rail; }; static struct clk *pll_c; @@ -3114,6 +3115,9 @@ static int __devinit sdhci_tegra_probe(struct platform_device *pdev) /* Enable async suspend/resume to reduce LP0 latency */ device_enable_async_suspend(&pdev->dev); + if (plat->power_off_rail) + tegra_host->power_off_rail = true; + return 0; err_add_host: @@ -3197,6 +3201,9 @@ static void tegra_sdhci_shutdown(struct platform_device *pdev) struct sdhci_tegra *tegra_host = pltfm_host->priv; int err; + if (!tegra_host->power_off_rail) + return; + err = tegra_sdhci_configure_regulators(tegra_host, CONFIG_REG_DIS, 0, 0); if (err) |