openwrt/target/linux/rockchip/patches-6.6/302-mmc-allow-probe-to-defer-if-clock-is-not-ready.patch

--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -3294,6 +3294,10 @@ int dw_mci_probe(struct dw_mci *host)
 	host->biu_clk = devm_clk_get(host->dev, "biu");
 	if (IS_ERR(host->biu_clk)) {
 		dev_dbg(host->dev, "biu clock not available\n");
+		ret = PTR_ERR(host->biu_clk);
+		if (ret == -EPROBE_DEFER) {
+			return ret;
+		}
 	} else {
 		ret = clk_prepare_enable(host->biu_clk);
 		if (ret) {
@@ -3305,6 +3309,11 @@ int dw_mci_probe(struct dw_mci *host)
 	host->ciu_clk = devm_clk_get(host->dev, "ciu");
 	if (IS_ERR(host->ciu_clk)) {
 		dev_dbg(host->dev, "ciu clock not available\n");
+		ret = PTR_ERR(host->ciu_clk);
+		if (ret == -EPROBE_DEFER) {
+			goto err_clk_biu;
+		}
+
 		host->bus_hz = host->pdata->bus_hz;
 	} else {
 		ret = clk_prepare_enable(host->ciu_clk);