diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2012-11-12 15:28:39 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2012-11-12 15:28:39 +0100 |
| commit | f987e832a9e79d2ce8009a5ea9c7b677624b3b30 (patch) | |
| tree | 0dd09a5e6b4c60ee0a9916907dfc2cda83f3e496 /drivers/mmc/host/sdhci.c | |
| parent | f737b7f46a72c099cf8ac88baff02fbf61b1a47c (diff) | |
| parent | fc993d9bc48f772133d8cd156c67c296477db070 (diff) | |
Merge branch 'l4t/l4t-r16-r2' into colibri
Conflicts:
arch/arm/mach-tegra/tegra3_usb_phy.c
arch/arm/mach-tegra/usb_phy.c
drivers/usb/gadget/tegra_udc.c
drivers/usb/otg/Makefile
drivers/video/tegra/fb.c
sound/soc/tegra/tegra_pcm.c
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index d3e9a4a4169f..aa03ca7d5226 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1852,19 +1852,15 @@ static void sdhci_enable_preset_value(struct mmc_host *mmc, bool enable) int sdhci_enable(struct mmc_host *mmc) { struct sdhci_host *host = mmc_priv(mmc); + u16 clk; - if (!mmc->card) + if (!mmc->card || mmc->card->type == MMC_TYPE_SDIO) return 0; if (mmc->ios.clock) { - if (mmc->card->type != MMC_TYPE_SDIO) { - if (host->ops->set_clock) - host->ops->set_clock(host, mmc->ios.clock); - sdhci_set_clock(host, mmc->ios.clock); - } else { - if (host->ops->set_card_clock) - host->ops->set_card_clock(host, mmc->ios.clock); - } + if (host->ops->set_clock) + host->ops->set_clock(host, mmc->ios.clock); + sdhci_set_clock(host, mmc->ios.clock); } return 0; @@ -1873,19 +1869,14 @@ int sdhci_enable(struct mmc_host *mmc) int sdhci_disable(struct mmc_host *mmc, int lazy) { struct sdhci_host *host = mmc_priv(mmc); + u16 clk; - if (!mmc->card) + if (!mmc->card || mmc->card->type == MMC_TYPE_SDIO) return 0; - /* For SDIO cards, only disable the card clock. */ - if (mmc->card->type != MMC_TYPE_SDIO) { - sdhci_set_clock(host, 0); - if (host->ops->set_clock) - host->ops->set_clock(host, 0); - } else { - if (host->ops->set_card_clock) - host->ops->set_card_clock(host, 0); - } + sdhci_set_clock(host, 0); + if (host->ops->set_clock) + host->ops->set_clock(host, 0); return 0; } @@ -2348,6 +2339,15 @@ int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state) } if (mmc->card) { + /* + * If eMMC cards are put in sleep state, Vccq can be disabled + * but Vcc would still be powered on. In resume, we only restore + * the controller context. So, set MMC_PM_KEEP_POWER flag. + */ + if (mmc_card_can_sleep(mmc) && + !(mmc->caps & MMC_CAP2_NO_SLEEP_CMD)) + mmc->pm_flags = MMC_PM_KEEP_POWER; + ret = mmc_suspend_host(host->mmc); if (ret) { if (has_tuning_timer) { |