+static void sdhci_arasan_enhanced_strobe(struct mmc_host *mmc,
+ struct mmc_ios *ios)
+{
+ u32 vendor;
+ struct sdhci_host *host = mmc_priv(mmc);
+
+ vendor = readl(host->ioaddr + SDHCI_ARASAN_VENDOR_REGISTER);
+ if (ios->enhanced_strobe)
+ vendor |= VENDOR_ENHANCED_STROBE;
+ else
+ vendor &= (~VENDOR_ENHANCED_STROBE);
+
+ writel(vendor, host->ioaddr + SDHCI_ARASAN_VENDOR_REGISTER);
+}
+
+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 = pltfm_host->priv;
+ 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);
+ }
+}
+