kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/drivers/mmc/host/dw_mmc.c
..
..
@@ -1468,7 +1468,7 @@
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 {
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 	struct dw_mci_slot *slot = mmc_priv(mmc);
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 	const struct dw_mci_drv_data *drv_data = slot->host->drv_data;
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-	u32 regs;
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+	u32 regs, power_off_delay;
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 	int ret;
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 	switch (ios->bus_width) {
..
..
@@ -1507,8 +1507,14 @@
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1507
 
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 	switch (ios->power_mode) {
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 	case MMC_POWER_UP:
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-		if (!IS_ERR_OR_NULL(slot->host->pinctrl))
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-			pinctrl_select_state(slot->host->pinctrl, slot->host->idle_state);
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+		if (dw_mci_get_cd(mmc) && !IS_ERR_OR_NULL(slot->host->pinctrl)) {
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+			if (!pinctrl_select_state(slot->host->pinctrl, slot->host->idle_state)) {
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+				if (device_property_read_u32(slot->host->dev, "power-off-delay-ms",
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+				    &power_off_delay))
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+					power_off_delay = 200;
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+				msleep(power_off_delay);
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+			}
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+		}
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 		if (!IS_ERR(mmc->supply.vmmc)) {
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 			ret = mmc_regulator_set_ocr(mmc, mmc->supply.vmmc,