diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index e702c61..2a05b24 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -94,6 +94,11 @@ struct mmc_blk_data {
 	unsigned int	read_only;
 	unsigned int	part_type;
 	unsigned int	name_idx;
+	unsigned int	reset_done;
+#define MMC_BLK_READ		BIT(0)
+#define MMC_BLK_WRITE		BIT(1)
+#define MMC_BLK_DISCARD		BIT(2)
+#define MMC_BLK_SECDISCARD	BIT(3)
 
 	/*
 	 * Only set in main mmc_blk_data associated
@@ -109,11 +114,11 @@ static DEFINE_MUTEX(open_lock);
 enum mmc_blk_status {
 	MMC_BLK_SUCCESS = 0,
 	MMC_BLK_PARTIAL,
-	MMC_BLK_RETRY,
-	MMC_BLK_RETRY_SINGLE,
-	MMC_BLK_DATA_ERR,
 	MMC_BLK_CMD_ERR,
+	MMC_BLK_RETRY,
 	MMC_BLK_ABORT,
+	MMC_BLK_DATA_ERR,
+	MMC_BLK_ECC_ERR,
 };
 
 module_param(perdev_minors, int, 0444);
@@ -454,7 +459,7 @@ static inline int mmc_blk_part_switch(struct mmc_card *card,
 				 card->ext_csd.part_time);
 		if (ret)
 			return ret;
-}
+	}
 
 	main_md->part_curr = md->part_type;
 	return 0;
@@ -616,7 +621,7 @@ static int mmc_blk_cmd_error(struct request *req, const char *name, int error,
  * Otherwise we don't understand what happened, so abort.
  */
 static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
-	struct mmc_blk_request *brq)
+	struct mmc_blk_request *brq, int *ecc_err)
 {
 	bool prev_cmd_status_valid = true;
 	u32 status, stop_status = 0;
@@ -641,6 +646,12 @@ static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
 	if (err)
 		return ERR_ABORT;
 
+	/* Flag ECC errors */
+	if ((status & R1_CARD_ECC_FAILED) ||
+	    (brq->stop.resp[0] & R1_CARD_ECC_FAILED) ||
+	    (brq->cmd.resp[0] & R1_CARD_ECC_FAILED))
+		*ecc_err = 1;
+
 	/*
 	 * Check the current card state.  If it is in some data transfer
 	 * mode, tell it to stop (and hopefully transition back to TRAN.)
@@ -658,6 +669,8 @@ static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
 		 */
 		if (err)
 			return ERR_ABORT;
+		if (stop_status & R1_CARD_ECC_FAILED)
+			*ecc_err = 1;
 	}
 
 	/* Check for set block count errors */
@@ -670,6 +683,10 @@ static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
 		return mmc_blk_cmd_error(req, "r/w cmd", brq->cmd.error,
 				prev_cmd_status_valid, status);
 
+	/* Data errors */
+	if (!brq->stop.error)
+		return ERR_CONTINUE;
+
 	/* Now for stop errors.  These aren't fatal to the transfer. */
 	pr_err("%s: error %d sending stop command, original cmd response %#x, card status %#x\n",
 	       req->rq_disk->disk_name, brq->stop.error,
@@ -686,12 +703,45 @@ static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
 	return ERR_CONTINUE;
 }
 
+static int mmc_blk_reset(struct mmc_blk_data *md, struct mmc_host *host,
+			 int type)
+{
+	int err;
+
+	if (md->reset_done & type)
+		return -EEXIST;
+
+	md->reset_done |= type;
+	err = mmc_hw_reset(host);
+	/* Ensure we switch back to the correct partition */
+	if (err != -EOPNOTSUPP) {
+		struct mmc_blk_data *main_md = mmc_get_drvdata(host->card);
+		int part_err;
+
+		main_md->part_curr = main_md->part_type;
+		part_err = mmc_blk_part_switch(host->card, md);
+		if (part_err) {
+			/*
+			 * We have failed to get back into the correct
+			 * partition, so we need to abort the whole request.
+			 */
+			return -ENODEV;
+		}
+	}
+	return err;
+}
+
+static inline void mmc_blk_reset_success(struct mmc_blk_data *md, int type)
+{
+	md->reset_done &= ~type;
+}
+
 static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
 {
 	struct mmc_blk_data *md = mq->data;
 	struct mmc_card *card = md->queue.card;
 	unsigned int from, nr, arg;
-	int err = 0;
+	int err = 0, type = MMC_BLK_DISCARD;
 
 	if (!mmc_can_erase(card)) {
 		err = -EOPNOTSUPP;
@@ -705,7 +755,7 @@ static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
 		arg = MMC_TRIM_ARG;
 	else
 		arg = MMC_ERASE_ARG;
-
+retry:
 	if (card->quirks & MMC_QUIRK_INAND_CMD38) {
 		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
 				 INAND_CMD38_ARG_EXT_CSD,
@@ -718,6 +768,10 @@ static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
 	}
 	err = mmc_erase(card, from, nr, arg);
 out:
+	if (err == -EIO && !mmc_blk_reset(md, card->host, type))
+		goto retry;
+	if (!err)
+		mmc_blk_reset_success(md, type);
 	spin_lock_irq(&md->lock);
 	__blk_end_request(req, err, blk_rq_bytes(req));
 	spin_unlock_irq(&md->lock);
@@ -731,7 +785,7 @@ static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
 	struct mmc_blk_data *md = mq->data;
 	struct mmc_card *card = md->queue.card;
 	unsigned int from, nr, arg;
-	int err = 0;
+	int err = 0, type = MMC_BLK_SECDISCARD;
 
 	if (!mmc_can_secure_erase_trim(card)) {
 		err = -EOPNOTSUPP;
@@ -745,7 +799,7 @@ static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
 		arg = MMC_SECURE_TRIM1_ARG;
 	else
 		arg = MMC_SECURE_ERASE_ARG;
-
+retry:
 	if (card->quirks & MMC_QUIRK_INAND_CMD38) {
 		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
 				 INAND_CMD38_ARG_EXT_CSD,
@@ -769,6 +823,10 @@ static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
 		err = mmc_erase(card, from, nr, MMC_SECURE_TRIM2_ARG);
 	}
 out:
+	if (err == -EIO && !mmc_blk_reset(md, card->host, type))
+		goto retry;
+	if (!err)
+		mmc_blk_reset_success(md, type);
 	spin_lock_irq(&md->lock);
 	__blk_end_request(req, err, blk_rq_bytes(req));
 	spin_unlock_irq(&md->lock);
@@ -825,11 +883,11 @@ static inline void mmc_apply_rel_rw(struct mmc_blk_request *brq,
 static int mmc_blk_err_check(struct mmc_card *card,
 			     struct mmc_async_req *areq)
 {
-	enum mmc_blk_status ret = MMC_BLK_SUCCESS;
 	struct mmc_queue_req *mq_mrq = container_of(areq, struct mmc_queue_req,
 						    mmc_active);
 	struct mmc_blk_request *brq = &mq_mrq->brq;
 	struct request *req = mq_mrq->req;
+	int ecc_err = 0;
 
 	/*
 	 * sbc.error indicates a problem with the set block count
@@ -841,8 +899,9 @@ static int mmc_blk_err_check(struct mmc_card *card,
 	 * stop.error indicates a problem with the stop command.  Data
 	 * may have been transferred, or may still be transferring.
 	 */
-	if (brq->sbc.error || brq->cmd.error || brq->stop.error) {
-		switch (mmc_blk_cmd_recovery(card, req, brq)) {
+	if (brq->sbc.error || brq->cmd.error || brq->stop.error ||
+	    brq->data.error) {
+		switch (mmc_blk_cmd_recovery(card, req, brq, &ecc_err)) {
 		case ERR_RETRY:
 			return MMC_BLK_RETRY;
 		case ERR_ABORT:
@@ -894,23 +953,21 @@ static int mmc_blk_err_check(struct mmc_card *card,
 		       brq->cmd.resp[0], brq->stop.resp[0]);
 
 		if (rq_data_dir(req) == READ) {
-			if (brq->data.blocks > 1) {
-				/* Redo read one sector at a time */
-				pr_warning("%s: retrying using single block read\n",
-					   req->rq_disk->disk_name);
-				return MMC_BLK_RETRY_SINGLE;
-			}
+			if (ecc_err)
+				return MMC_BLK_ECC_ERR;
 			return MMC_BLK_DATA_ERR;
 		} else {
 			return MMC_BLK_CMD_ERR;
 		}
 	}
 
-	if (ret == MMC_BLK_SUCCESS &&
-	    blk_rq_bytes(req) != brq->data.bytes_xfered)
-		ret = MMC_BLK_PARTIAL;
+	if (!brq->data.bytes_xfered)
+		return MMC_BLK_RETRY;
 
-	return ret;
+	if (blk_rq_bytes(req) != brq->data.bytes_xfered)
+		return MMC_BLK_PARTIAL;
+
+	return MMC_BLK_SUCCESS;
 }
 
 static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq,
@@ -1046,12 +1103,41 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq,
 	mmc_queue_bounce_pre(mqrq);
 }
 
+static int mmc_blk_cmd_err(struct mmc_blk_data *md, struct mmc_card *card,
+			   struct mmc_blk_request *brq, struct request *req,
+			   int ret)
+{
+	/*
+	 * If this is an SD card and we're writing, we can first
+	 * mark the known good sectors as ok.
+	 *
+	 * If the card is not SD, we can still ok written sectors
+	 * as reported by the controller (which might be less than
+	 * the real number of written sectors, but never more).
+	 */
+	if (mmc_card_sd(card)) {
+		u32 blocks;
+
+		blocks = mmc_sd_num_wr_blocks(card);
+		if (blocks != (u32)-1) {
+			spin_lock_irq(&md->lock);
+			ret = __blk_end_request(req, 0, blocks << 9);
+			spin_unlock_irq(&md->lock);
+		}
+	} else {
+		spin_lock_irq(&md->lock);
+		ret = __blk_end_request(req, 0, brq->data.bytes_xfered);
+		spin_unlock_irq(&md->lock);
+	}
+	return ret;
+}
+
 static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
 {
 	struct mmc_blk_data *md = mq->data;
 	struct mmc_card *card = md->queue.card;
 	struct mmc_blk_request *brq = &mq->mqrq_cur->brq;
-	int ret = 1, disable_multi = 0, retry = 0;
+	int ret = 1, disable_multi = 0, retry = 0, type;
 	enum mmc_blk_status status;
 	struct mmc_queue_req *mq_rq;
 	struct request *req;
@@ -1073,6 +1159,7 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
 		mq_rq = container_of(areq, struct mmc_queue_req, mmc_active);
 		brq = &mq_rq->brq;
 		req = mq_rq->req;
+		type = rq_data_dir(req) == READ ? MMC_BLK_READ : MMC_BLK_WRITE;
 		mmc_queue_bounce_post(mq_rq);
 
 		switch (status) {
@@ -1081,17 +1168,17 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
 			/*
 			 * A block was successfully transferred.
 			 */
+			mmc_blk_reset_success(md, type);
 			spin_lock_irq(&md->lock);
 			ret = __blk_end_request(req, 0,
 						brq->data.bytes_xfered);
 			spin_unlock_irq(&md->lock);
+			/*
+			 * If the blk_end_request function returns non-zero even
+			 * though all data has been transferred and no errors
+			 * were returned by the host controller, it's a bug.
+			 */
 			if (status == MMC_BLK_SUCCESS && ret) {
-				/*
-				 * The blk_end_request has returned non zero
-				 * even though all data is transfered and no
-				 * erros returned by host.
-				 * If this happen it's a bug.
-				 */
 				printk(KERN_ERR "%s BUG rq_tot %d d_xfer %d\n",
 				       __func__, blk_rq_bytes(req),
 				       brq->data.bytes_xfered);
@@ -1100,16 +1187,36 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
 			}
 			break;
 		case MMC_BLK_CMD_ERR:
-			goto cmd_err;
-		case MMC_BLK_RETRY_SINGLE:
-			disable_multi = 1;
-			break;
+			ret = mmc_blk_cmd_err(md, card, brq, req, ret);
+			if (!mmc_blk_reset(md, card->host, type))
+				break;
+			goto cmd_abort;
 		case MMC_BLK_RETRY:
 			if (retry++ < 5)
 				break;
+			/* Fall through */
 		case MMC_BLK_ABORT:
+			if (!mmc_blk_reset(md, card->host, type))
+				break;
 			goto cmd_abort;
-		case MMC_BLK_DATA_ERR:
+		case MMC_BLK_DATA_ERR: {
+			int err;
+
+			err = mmc_blk_reset(md, card->host, type);
+			if (!err)
+				break;
+			if (err == -ENODEV)
+				goto cmd_abort;
+			/* Fall through */
+		}
+		case MMC_BLK_ECC_ERR:
+			if (brq->data.blocks > 1) {
+				/* Redo read one sector at a time */
+				pr_warning("%s: retrying using single block read\n",
+					   req->rq_disk->disk_name);
+				disable_multi = 1;
+				break;
+			}
 			/*
 			 * After an error, we redo I/O one sector at a
 			 * time, so we only reach here after trying to
@@ -1126,7 +1233,7 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
 
 		if (ret) {
 			/*
-			 * In case of a none complete request
+			 * In case of a incomplete request
 			 * prepare it again and resend.
 			 */
 			mmc_blk_rw_rq_prep(mq_rq, card, disable_multi, mq);
@@ -1136,30 +1243,6 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
 
 	return 1;
 
- cmd_err:
- 	/*
- 	 * If this is an SD card and we're writing, we can first
- 	 * mark the known good sectors as ok.
- 	 *
-	 * If the card is not SD, we can still ok written sectors
-	 * as reported by the controller (which might be less than
-	 * the real number of written sectors, but never more).
-	 */
-	if (mmc_card_sd(card)) {
-		u32 blocks;
-
-		blocks = mmc_sd_num_wr_blocks(card);
-		if (blocks != (u32)-1) {
-			spin_lock_irq(&md->lock);
-			ret = __blk_end_request(req, 0, blocks << 9);
-			spin_unlock_irq(&md->lock);
-		}
-	} else {
-		spin_lock_irq(&md->lock);
-		ret = __blk_end_request(req, 0, brq->data.bytes_xfered);
-		spin_unlock_irq(&md->lock);
-	}
-
  cmd_abort:
 	spin_lock_irq(&md->lock);
 	while (ret)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 3bdb981..2f6897c 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1521,7 +1521,7 @@ static int mmc_do_erase(struct mmc_card *card, unsigned int from,
 	if (err) {
 		printk(KERN_ERR "mmc_erase: group start error %d, "
 		       "status %#x\n", err, cmd.resp[0]);
-		err = -EINVAL;
+		err = -EIO;
 		goto out;
 	}
 
@@ -1536,7 +1536,7 @@ static int mmc_do_erase(struct mmc_card *card, unsigned int from,
 	if (err) {
 		printk(KERN_ERR "mmc_erase: group end error %d, status %#x\n",
 		       err, cmd.resp[0]);
-		err = -EINVAL;
+		err = -EIO;
 		goto out;
 	}
 
