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-rw-r--r--drivers/mmc/host/sdhci-of-arasan.c26
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 2e482b13d25e..b6f4c1d41636 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,