diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 896390147453..153c5fda0645 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -50,7 +50,7 @@ static unsigned int debug_quirks2;
 
 static void sdhci_enable_preset_value(struct sdhci_host *host, bool enable);
 
-static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd);
+static bool sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd);
 
 void sdhci_dumpregs(struct sdhci_host *host)
 {
@@ -1478,6 +1478,9 @@ static void __sdhci_finish_mrq(struct sdhci_host *host, struct mmc_request *mrq)
 	if (host->data_cmd && host->data_cmd->mrq == mrq)
 		host->data_cmd = NULL;
 
+	if (host->deferred_cmd && host->deferred_cmd->mrq == mrq)
+		host->deferred_cmd = NULL;
+
 	if (host->data && host->data->mrq == mrq)
 		host->data = NULL;
 
@@ -1499,7 +1502,7 @@ static void sdhci_finish_mrq(struct sdhci_host *host, struct mmc_request *mrq)
 	queue_work(host->complete_wq, &host->complete_work);
 }
 
-static void sdhci_finish_data(struct sdhci_host *host)
+static void __sdhci_finish_data(struct sdhci_host *host, bool sw_data_timeout)
 {
 	struct mmc_command *data_cmd = host->data_cmd;
 	struct mmc_data *data = host->data;
@@ -1551,14 +1554,31 @@ static void sdhci_finish_data(struct sdhci_host *host)
 		} else {
 			/* Avoid triggering warning in sdhci_send_command() */
 			host->cmd = NULL;
-			sdhci_send_command(host, data->stop);
+			if (!sdhci_send_command(host, data->stop)) {
+				if (sw_data_timeout) {
+					/*
+					 * This is anyway a sw data timeout, so
+					 * give up now.
+					 */
+					data->stop->error = -EIO;
+					__sdhci_finish_mrq(host, data->mrq);
+				} else {
+					WARN_ON(host->deferred_cmd);
+					host->deferred_cmd = data->stop;
+				}
+			}
 		}
 	} else {
 		__sdhci_finish_mrq(host, data->mrq);
 	}
 }
 
-static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
+static void sdhci_finish_data(struct sdhci_host *host)
+{
+	__sdhci_finish_data(host, false);
+}
+
+static bool sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
 {
 	int flags;
 	u32 mask;
@@ -1573,9 +1593,6 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
 	    cmd->opcode == MMC_STOP_TRANSMISSION)
 		cmd->flags |= MMC_RSP_BUSY;
 
-	/* Wait max 10 ms */
-	timeout = 10;
-
 	mask = SDHCI_CMD_INHIBIT;
 	if (sdhci_data_line_cmd(cmd))
 		mask |= SDHCI_DATA_INHIBIT;
@@ -1585,18 +1602,8 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
 	if (cmd->mrq->data && (cmd == cmd->mrq->data->stop))
 		mask &= ~SDHCI_DATA_INHIBIT;
 
-	while (sdhci_readl(host, SDHCI_PRESENT_STATE) & mask) {
-		if (timeout == 0) {
-			pr_err("%s: Controller never released inhibit bit(s).\n",
-			       mmc_hostname(host->mmc));
-			sdhci_dumpregs(host);
-			cmd->error = -EIO;
-			sdhci_finish_mrq(host, cmd->mrq);
-			return;
-		}
-		timeout--;
-		mdelay(1);
-	}
+	if (sdhci_readl(host, SDHCI_PRESENT_STATE) & mask)
+		return false;
 
 	host->cmd = cmd;
 	host->data_timeout = 0;
@@ -1618,11 +1625,13 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
 	sdhci_set_transfer_mode(host, cmd);
 
 	if ((cmd->flags & MMC_RSP_136) && (cmd->flags & MMC_RSP_BUSY)) {
-		pr_err("%s: Unsupported response type!\n",
-			mmc_hostname(host->mmc));
-		cmd->error = -EINVAL;
-		sdhci_finish_mrq(host, cmd->mrq);
-		return;
+		WARN_ONCE(1, "Unsupported response type!\n");
+		/*
+		 * This does not happen in practice because 136-bit response
+		 * commands never have busy waiting, so rather than complicate
+		 * the error path, just remove busy waiting and continue.
+		 */
+		cmd->flags &= ~MMC_RSP_BUSY;
 	}
 
 	if (!(cmd->flags & MMC_RSP_PRESENT))
@@ -1657,6 +1666,8 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
 		sdhci_external_dma_pre_transfer(host, cmd);
 
 	sdhci_writew(host, SDHCI_MAKE_CMD(cmd->opcode, flags), SDHCI_COMMAND);
+
+	return true;
 }
 
 static bool sdhci_present_error(struct sdhci_host *host,
@@ -1670,6 +1681,47 @@ static bool sdhci_present_error(struct sdhci_host *host,
 	return false;
 }
 
+static bool sdhci_send_command_retry(struct sdhci_host *host,
+				     struct mmc_command *cmd,
+				     unsigned long flags)
+	__releases(host->lock)
+	__acquires(host->lock)
+{
+	struct mmc_command *deferred_cmd = host->deferred_cmd;
+	int timeout = 10; /* Approx. 10 ms */
+	bool present;
+
+	while (!sdhci_send_command(host, cmd)) {
+		if (!timeout--) {
+			pr_err("%s: Controller never released inhibit bit(s).\n",
+			       mmc_hostname(host->mmc));
+			sdhci_dumpregs(host);
+			cmd->error = -EIO;
+			return false;
+		}
+
+		spin_unlock_irqrestore(&host->lock, flags);
+
+		usleep_range(1000, 1250);
+
+		present = host->mmc->ops->get_cd(host->mmc);
+
+		spin_lock_irqsave(&host->lock, flags);
+
+		/* A deferred command might disappear, handle that */
+		if (cmd == deferred_cmd && cmd != host->deferred_cmd)
+			return true;
+
+		if (sdhci_present_error(host, cmd, present))
+			return false;
+	}
+
+	if (cmd == host->deferred_cmd)
+		host->deferred_cmd = NULL;
+
+	return true;
+}
+
 static void sdhci_read_rsp_136(struct sdhci_host *host, struct mmc_command *cmd)
 {
 	int i, reg;
@@ -1729,7 +1781,10 @@ static void sdhci_finish_command(struct sdhci_host *host)
 
 	/* Finished CMD23, now send actual command. */
 	if (cmd == cmd->mrq->sbc) {
-		sdhci_send_command(host, cmd->mrq->cmd);
+		if (!sdhci_send_command(host, cmd->mrq->cmd)) {
+			WARN_ON(host->deferred_cmd);
+			host->deferred_cmd = cmd->mrq->cmd;
+		}
 	} else {
 
 		/* Processed actual command. */
@@ -2076,7 +2131,8 @@ void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 
 	cmd = sdhci_manual_cmd23(host, mrq) ? mrq->sbc : mrq->cmd;
 
-	sdhci_send_command(host, cmd);
+	if (!sdhci_send_command_retry(host, cmd, flags))
+		goto out_finish;
 
 	spin_unlock_irqrestore(&host->lock, flags);
 
@@ -2624,7 +2680,11 @@ void sdhci_send_tuning(struct sdhci_host *host, u32 opcode)
 	 */
 	sdhci_writew(host, SDHCI_TRNS_READ, SDHCI_TRANSFER_MODE);
 
-	sdhci_send_command(host, &cmd);
+	if (!sdhci_send_command_retry(host, &cmd, flags)) {
+		spin_unlock_irqrestore(&host->lock, flags);
+		host->tuning_done = 0;
+		return;
+	}
 
 	host->cmd = NULL;
 
@@ -3042,7 +3102,7 @@ static void sdhci_timeout_data_timer(struct timer_list *t)
 
 		if (host->data) {
 			host->data->error = -ETIMEDOUT;
-			sdhci_finish_data(host);
+			__sdhci_finish_data(host, true);
 			queue_work(host->complete_wq, &host->complete_work);
 		} else if (host->data_cmd) {
 			host->data_cmd->error = -ETIMEDOUT;
@@ -3414,6 +3474,9 @@ cont:
 		}
 	}
 out:
+	if (host->deferred_cmd)
+		result = IRQ_WAKE_THREAD;
+
 	spin_unlock(&host->lock);
 
 	/* Process mrqs ready for immediate completion */
@@ -3439,6 +3502,7 @@ out:
 static irqreturn_t sdhci_thread_irq(int irq, void *dev_id)
 {
 	struct sdhci_host *host = dev_id;
+	struct mmc_command *cmd;
 	unsigned long flags;
 	u32 isr;
 
@@ -3446,8 +3510,14 @@ static irqreturn_t sdhci_thread_irq(int irq, void *dev_id)
 		;
 
 	spin_lock_irqsave(&host->lock, flags);
+
 	isr = host->thread_isr;
 	host->thread_isr = 0;
+
+	cmd = host->deferred_cmd;
+	if (cmd && !sdhci_send_command_retry(host, cmd, flags))
+		sdhci_finish_mrq(host, cmd->mrq);
+
 	spin_unlock_irqrestore(&host->lock, flags);
 
 	if (isr & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) {
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 1f5a46eaab8f..8483419a937e 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -534,6 +534,7 @@ struct sdhci_host {
 	struct mmc_request *mrqs_done[SDHCI_MAX_MRQS];	/* Requests done */
 	struct mmc_command *cmd;	/* Current command */
 	struct mmc_command *data_cmd;	/* Current data command */
+	struct mmc_command *deferred_cmd;	/* Deferred command */
 	struct mmc_data *data;	/* Current data request */
 	unsigned int data_early:1;	/* Data finished before cmd */