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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
| commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
| tree | d6d89a12e7eb8017837c057935a2271290907f76 /drivers/mmc/host/sdhci-of-arasan.c | |
| parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) | |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'drivers/mmc/host/sdhci-of-arasan.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-of-arasan.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c index 2e482b13d..b6f4c1d41 100644 --- a/drivers/mmc/host/sdhci-of-arasan.c +++ b/drivers/mmc/host/sdhci-of-arasan.c @@ -55,8 +55,32 @@ static unsigned int sdhci_arasan_get_timeout_clock(struct sdhci_host *host) return freq; } +static void sdhci_arasan_set_clock(struct sdhci_host *host, unsigned int clock) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_arasan_data *sdhci_arasan = sdhci_pltfm_priv(pltfm_host); + bool ctrl_phy = false; + + if (clock > MMC_HIGH_52_MAX_DTR && (!IS_ERR(sdhci_arasan->phy))) + ctrl_phy = true; + + if (ctrl_phy) { + spin_unlock_irq(&host->lock); + phy_power_off(sdhci_arasan->phy); + spin_lock_irq(&host->lock); + } + + sdhci_set_clock(host, clock); + + if (ctrl_phy) { + spin_unlock_irq(&host->lock); + phy_power_on(sdhci_arasan->phy); + spin_lock_irq(&host->lock); + } +} + static struct sdhci_ops sdhci_arasan_ops = { - .set_clock = sdhci_set_clock, + .set_clock = sdhci_arasan_set_clock, .get_max_clock = sdhci_pltfm_clk_get_max_clock, .get_timeout_clock = sdhci_arasan_get_timeout_clock, .set_bus_width = sdhci_set_bus_width, |