evie/android_kernel_oneplus_msm8998
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Merge "mmc: sdhci-msm: Disable controller clocks in suspend"

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Linux Build Service Account 2017-01-31 04:42:31 -08:00 • committed by Gerrit - the friendly Code Review server
commit 0a7b7fc131
1 changed files with 18 additions and 1 deletions
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19
drivers/mmc/host/sdhci-msm.c
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@ -2906,7 +2906,24 @@ out:
return rc;
}
static void sdhci_msm_disable_controller_clock(struct sdhci_host *host)
{
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct sdhci_msm_host *msm_host = pltfm_host->priv;
if (atomic_read(&msm_host->controller_clock)) {
if (!IS_ERR(msm_host->clk))
clk_disable_unprepare(msm_host->clk);
if (!IS_ERR(msm_host->pclk))
clk_disable_unprepare(msm_host->pclk);
if (!IS_ERR(msm_host->ice_clk))
clk_disable_unprepare(msm_host->ice_clk);
sdhci_msm_bus_voting(host, 0);
atomic_set(&msm_host->controller_clock, 0);
pr_debug("%s: %s: disabled controller clock\n",
mmc_hostname(host->mmc), __func__);
}
}
static int sdhci_msm_prepare_clocks(struct sdhci_host *host, bool enable)
{
@ -4848,7 +4865,7 @@ static int sdhci_msm_suspend(struct device *dev)
}
ret = sdhci_msm_runtime_suspend(dev);
out:
sdhci_msm_disable_controller_clock(host);
if (host->mmc->card && mmc_card_sdio(host->mmc->card)) {
sdio_cfg = sdhci_msm_cfg_sdio_wakeup(host, true);
if (sdio_cfg)