[PATCH] drivers: mmc: sdhci: update max frequency only if undefined

[Suneel Garapati]

f_max parameter of mmc structure is updated unconditionally.
If dt property max-frequency is assigned, this update is
overwriting the dt property value which is undesired.

Signed-off-by: Suneel Garapati <suneel.garapati@xxxxxxxxxx>
---
 drivers/mmc/host/sdhci.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index bc14452..c2917d5 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -3047,7 +3047,10 @@ int sdhci_add_host(struct sdhci_host *host)
	 * Set host parameters.
	 */
	mmc->ops = &sdhci_ops;
-	mmc->f_max = host->max_clk;
+
+	if(!mmc->f_max)
+		mmc->f_max = host->max_clk;
+
	if (host->ops->get_min_clock)
		mmc->f_min = host->ops->get_min_clock(host);
	else if (host->version >= SDHCI_SPEC_300) {
--
2.1.2
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