diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 7c10bfedc6..65dd83eced 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -702,7 +702,7 @@ static int pmecc_choose_ecc(struct atmel_nand_host *host,
 	if (chip->onfi_version) {
 		*cap = chip->ecc_strength_ds;
 		*sector_size = chip->ecc_step_ds;
-		MTDDEBUG(MTD_DEBUG_LEVEL1, "ONFI params, minimum required ECC: %d bits in %d bytes\n",
+		pr_debug("ONFI params, minimum required ECC: %d bits in %d bytes\n",
 			 *cap, *sector_size);
 	}
 
@@ -863,9 +863,8 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand,
 		host->pmecc_index_table_offset = ATMEL_PMECC_INDEX_OFFSET_1024;
 #endif
 
-	MTDDEBUG(MTD_DEBUG_LEVEL1,
-		"Initialize PMECC params, cap: %d, sector: %d\n",
-		cap, sector_size);
+	pr_debug("Initialize PMECC params, cap: %d, sector: %d\n",
+		 cap, sector_size);
 
 	host->pmecc = (struct pmecc_regs __iomem *) ATMEL_BASE_PMECC;
 	host->pmerrloc = (struct pmecc_errloc_regs __iomem *)
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 0624644581..2a01fd34e9 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -238,7 +238,7 @@ static int nand_davinci_correct_data(struct mtd_info *mtd, u_char *dat,
 				uint32_t find_byte = diff >> (12 + 3);
 
 				dat[find_byte] ^= find_bit;
-				MTDDEBUG(MTD_DEBUG_LEVEL0, "Correcting single "
+				pr_debug("Correcting single "
 					 "bit ECC error at offset: %d, bit: "
 					 "%d\n", find_byte, find_bit);
 				return 1;
@@ -248,12 +248,11 @@ static int nand_davinci_correct_data(struct mtd_info *mtd, u_char *dat,
 		} else if (!(diff & (diff - 1))) {
 			/* Single bit ECC error in the ECC itself,
 			   nothing to fix */
-			MTDDEBUG(MTD_DEBUG_LEVEL0, "Single bit ECC error in "
-				 "ECC.\n");
+			pr_debug("Single bit ECC error in " "ECC.\n");
 			return 1;
 		} else {
 			/* Uncorrectable error */
-			MTDDEBUG(MTD_DEBUG_LEVEL0, "ECC UNCORRECTED_ERROR 1\n");
+			pr_debug("ECC UNCORRECTED_ERROR 1\n");
 			return -EBADMSG;
 		}
 	}
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 7221d0ba0d..764391c8d2 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -132,7 +132,7 @@ static void wait_op_done(struct mxc_nand_host *host, int max_retries,
 		udelay(1);
 	}
 	if (max_retries < 0) {
-		MTDDEBUG(MTD_DEBUG_LEVEL0, "%s(%d): INT not set\n",
+		pr_debug("%s(%d): INT not set\n",
 				__func__, param);
 	}
 }
@@ -143,7 +143,7 @@ static void wait_op_done(struct mxc_nand_host *host, int max_retries,
  */
 static void send_cmd(struct mxc_nand_host *host, uint16_t cmd)
 {
-	MTDDEBUG(MTD_DEBUG_LEVEL3, "send_cmd(host, 0x%x)\n", cmd);
+	pr_debug("send_cmd(host, 0x%x)\n", cmd);
 
 	writenfc(cmd, &host->regs->flash_cmd);
 	writenfc(NFC_CMD, &host->regs->operation);
@@ -159,7 +159,7 @@ static void send_cmd(struct mxc_nand_host *host, uint16_t cmd)
  */
 static void send_addr(struct mxc_nand_host *host, uint16_t addr)
 {
-	MTDDEBUG(MTD_DEBUG_LEVEL3, "send_addr(host, 0x%x)\n", addr);
+	pr_debug("send_addr(host, 0x%x)\n", addr);
 
 	writenfc(addr, &host->regs->flash_addr);
 	writenfc(NFC_ADDR, &host->regs->operation);
@@ -176,7 +176,7 @@ static void send_prog_page(struct mxc_nand_host *host, uint8_t buf_id,
 			int spare_only)
 {
 	if (spare_only)
-		MTDDEBUG(MTD_DEBUG_LEVEL1, "send_prog_page (%d)\n", spare_only);
+		pr_debug("send_prog_page (%d)\n", spare_only);
 
 	if (is_mxc_nfc_21() || is_mxc_nfc_32()) {
 		int i;
@@ -226,7 +226,7 @@ static void send_prog_page(struct mxc_nand_host *host, uint8_t buf_id,
 static void send_read_page(struct mxc_nand_host *host, uint8_t buf_id,
 		int spare_only)
 {
-	MTDDEBUG(MTD_DEBUG_LEVEL3, "send_read_page (%d)\n", spare_only);
+	pr_debug("send_read_page (%d)\n", spare_only);
 
 #if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
 	writenfc(buf_id, &host->regs->buf_addr);
@@ -392,8 +392,7 @@ static int mxc_nand_read_oob_syndrome(struct mtd_info *mtd,
 	uint8_t *bufpoi = buf;
 	int i, toread;
 
-	MTDDEBUG(MTD_DEBUG_LEVEL0,
-			"%s: Reading OOB area of page %u to oob %p\n",
+	pr_debug("%s: Reading OOB area of page %u to oob %p\n",
 			 __func__, page, buf);
 
 	chip->cmdfunc(mtd, NAND_CMD_READOOB, mtd->writesize, page);
@@ -493,8 +492,8 @@ static int mxc_nand_read_page_syndrome(struct mtd_info *mtd,
 	uint8_t *p = buf;
 	uint8_t *oob = chip->oob_poi;
 
-	MTDDEBUG(MTD_DEBUG_LEVEL1, "Reading page %u to buf %p oob %p\n",
-	      page, buf, oob);
+	pr_debug("Reading page %u to buf %p oob %p\n",
+		 page, buf, oob);
 
 	/* first read the data area and the available portion of OOB */
 	for (n = 0; eccsteps; n++, eccsteps--, p += eccsize) {
@@ -710,8 +709,7 @@ static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat,
 	uint16_t ecc_status = readnfc(&host->regs->ecc_status_result);
 
 	if (((ecc_status & 0x3) == 2) || ((ecc_status >> 2) == 2)) {
-		MTDDEBUG(MTD_DEBUG_LEVEL0,
-		      "MXC_NAND: HWECC uncorrectable 2-bit ECC error\n");
+		pr_debug("MXC_NAND: HWECC uncorrectable 2-bit ECC error\n");
 		return -EBADMSG;
 	}
 
@@ -773,8 +771,7 @@ static uint16_t mxc_nand_read_word(struct mtd_info *mtd)
 	uint16_t col, ret;
 	uint16_t __iomem *p;
 
-	MTDDEBUG(MTD_DEBUG_LEVEL3,
-	      "mxc_nand_read_word(col = %d)\n", host->col_addr);
+	pr_debug("mxc_nand_read_word(col = %d)\n", host->col_addr);
 
 	col = host->col_addr;
 	/* Adjust saved column address */
@@ -824,9 +821,8 @@ static void mxc_nand_write_buf(struct mtd_info *mtd,
 	struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
 	int n, col, i = 0;
 
-	MTDDEBUG(MTD_DEBUG_LEVEL3,
-	      "mxc_nand_write_buf(col = %d, len = %d)\n", host->col_addr,
-	      len);
+	pr_debug("mxc_nand_write_buf(col = %d, len = %d)\n", host->col_addr,
+		 len);
 
 	col = host->col_addr;
 
@@ -837,8 +833,7 @@ static void mxc_nand_write_buf(struct mtd_info *mtd,
 	n = mtd->writesize + mtd->oobsize - col;
 	n = min(len, n);
 
-	MTDDEBUG(MTD_DEBUG_LEVEL3,
-	      "%s:%d: col = %d, n = %d\n", __func__, __LINE__, col, n);
+	pr_debug("%s:%d: col = %d, n = %d\n", __func__, __LINE__, col, n);
 
 	while (n > 0) {
 		void __iomem *p;
@@ -850,8 +845,8 @@ static void mxc_nand_write_buf(struct mtd_info *mtd,
 						mtd->writesize + (col & ~3);
 		}
 
-		MTDDEBUG(MTD_DEBUG_LEVEL3, "%s:%d: p = %p\n", __func__,
-		      __LINE__, p);
+		pr_debug("%s:%d: p = %p\n", __func__,
+			 __LINE__, p);
 
 		if (((col | (unsigned long)&buf[i]) & 3) || n < 4) {
 			union {
@@ -873,9 +868,8 @@ static void mxc_nand_write_buf(struct mtd_info *mtd,
 
 			m = min(n, m) & ~3;
 
-			MTDDEBUG(MTD_DEBUG_LEVEL3,
-			      "%s:%d: n = %d, m = %d, i = %d, col = %d\n",
-			      __func__,  __LINE__, n, m, i, col);
+			pr_debug("%s:%d: n = %d, m = %d, i = %d, col = %d\n",
+				 __func__,  __LINE__, n, m, i, col);
 
 			mxc_nand_memcpy32(p, (uint32_t *)&buf[i], m);
 			col += m;
@@ -898,8 +892,8 @@ static void mxc_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
 	struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
 	int n, col, i = 0;
 
-	MTDDEBUG(MTD_DEBUG_LEVEL3,
-	      "mxc_nand_read_buf(col = %d, len = %d)\n", host->col_addr, len);
+	pr_debug("mxc_nand_read_buf(col = %d, len = %d)\n", host->col_addr,
+		 len);
 
 	col = host->col_addr;
 
@@ -984,9 +978,8 @@ void mxc_nand_command(struct mtd_info *mtd, unsigned command,
 	struct nand_chip *nand_chip = mtd_to_nand(mtd);
 	struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
 
-	MTDDEBUG(MTD_DEBUG_LEVEL3,
-	      "mxc_nand_command (cmd = 0x%x, col = 0x%x, page = 0x%x)\n",
-	      command, column, page_addr);
+	pr_debug("mxc_nand_command (cmd = 0x%x, col = 0x%x, page = 0x%x)\n",
+		 command, column, page_addr);
 
 	/* Reset command state information */
 	host->status_request = false;
diff --git a/drivers/mtd/nand/nand_bch.c b/drivers/mtd/nand/nand_bch.c
index c14520380e..6c20d53e7e 100644
--- a/drivers/mtd/nand/nand_bch.c
+++ b/drivers/mtd/nand/nand_bch.c
@@ -81,8 +81,8 @@ int nand_bch_correct_data(struct mtd_info *mtd, unsigned char *buf,
 				buf[errloc[i] >> 3] ^= (1 << (errloc[i] & 7));
 			/* else error in ecc, no action needed */
 
-			MTDDEBUG(MTD_DEBUG_LEVEL0, "%s: corrected bitflip %u\n",
-			      __func__, errloc[i]);
+			pr_debug("%s: corrected bitflip %u\n",
+				 __func__, errloc[i]);
 		}
 	} else if (count < 0) {
 		printk(KERN_ERR "ecc unrecoverable error\n");
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 8282f683a5..86b1640357 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -858,7 +858,8 @@ static int onenand_read_ops_nolock(struct mtd_info *mtd, loff_t from,
 	int ret = 0, boundary = 0;
 	int writesize = this->writesize;
 
-	MTDDEBUG(MTD_DEBUG_LEVEL3, "onenand_read_ops_nolock: from = 0x%08x, len = %i\n", (unsigned int) from, (int) len);
+	pr_debug("onenand_read_ops_nolock: from = 0x%08x, len = %i\n",
+		 (unsigned int) from, (int) len);
 
 	if (ops->mode == MTD_OPS_AUTO_OOB)
 		oobsize = this->ecclayout->oobavail;
@@ -1007,7 +1008,8 @@ static int onenand_read_oob_nolock(struct mtd_info *mtd, loff_t from,
 
 	from += ops->ooboffs;
 
-	MTDDEBUG(MTD_DEBUG_LEVEL3, "onenand_read_oob_nolock: from = 0x%08x, len = %i\n", (unsigned int) from, (int) len);
+	pr_debug("onenand_read_oob_nolock: from = 0x%08x, len = %i\n",
+		 (unsigned int) from, (int) len);
 
 	/* Initialize return length value */
 	ops->oobretlen = 0;
@@ -1214,7 +1216,8 @@ int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from,
 	size_t len = ops->ooblen;
 	u_char *buf = ops->oobbuf;
 
-	MTDDEBUG(MTD_DEBUG_LEVEL3, "onenand_bbt_read_oob: from = 0x%08x, len = %zi\n", (unsigned int) from, len);
+	pr_debug("onenand_bbt_read_oob: from = 0x%08x, len = %zi\n",
+		 (unsigned int) from, len);
 
 	readcmd = ONENAND_IS_4KB_PAGE(this) ?
 		ONENAND_CMD_READ : ONENAND_CMD_READOOB;
@@ -1417,7 +1420,8 @@ static int onenand_write_ops_nolock(struct mtd_info *mtd, loff_t to,
 	u_char *oobbuf;
 	int ret = 0;
 
-	MTDDEBUG(MTD_DEBUG_LEVEL3, "onenand_write_ops_nolock: to = 0x%08x, len = %i\n", (unsigned int) to, (int) len);
+	pr_debug("onenand_write_ops_nolock: to = 0x%08x, len = %i\n",
+		 (unsigned int) to, (int) len);
 
 	/* Initialize retlen, in case of early exit */
 	ops->retlen = 0;
@@ -1538,7 +1542,8 @@ static int onenand_write_oob_nolock(struct mtd_info *mtd, loff_t to,
 
 	to += ops->ooboffs;
 
-	MTDDEBUG(MTD_DEBUG_LEVEL3, "onenand_write_oob_nolock: to = 0x%08x, len = %i\n", (unsigned int) to, (int) len);
+	pr_debug("onenand_write_oob_nolock: to = 0x%08x, len = %i\n",
+		 (unsigned int) to, (int) len);
 
 	/* Initialize retlen, in case of early exit */
 	ops->oobretlen = 0;
@@ -1730,7 +1735,7 @@ int onenand_erase(struct mtd_info *mtd, struct erase_info *instr)
 	struct mtd_erase_region_info *region = NULL;
 	unsigned int region_end = 0;
 
-	MTDDEBUG(MTD_DEBUG_LEVEL3, "onenand_erase: start = 0x%08x, len = %i\n",
+	pr_debug("onenand_erase: start = 0x%08x, len = %i\n",
 			(unsigned int) addr, len);
 
 	if (FLEXONENAND(this)) {
@@ -1746,8 +1751,7 @@ int onenand_erase(struct mtd_info *mtd, struct erase_info *instr)
 		 * Erase region's start offset is always block start address.
 		 */
 		if (unlikely((addr - region->offset) & (block_size - 1))) {
-			MTDDEBUG(MTD_DEBUG_LEVEL0, "onenand_erase:"
-				" Unaligned address\n");
+			pr_debug("onenand_erase:" " Unaligned address\n");
 			return -EINVAL;
 		}
 	} else {
@@ -1755,16 +1759,14 @@ int onenand_erase(struct mtd_info *mtd, struct erase_info *instr)
 
 		/* Start address must align on block boundary */
 		if (unlikely(addr & (block_size - 1))) {
-			MTDDEBUG(MTD_DEBUG_LEVEL0, "onenand_erase:"
-						"Unaligned address\n");
+			pr_debug("onenand_erase:" "Unaligned address\n");
 			return -EINVAL;
 		}
 	}
 
 	/* Length must align on block boundary */
 	if (unlikely(len & (block_size - 1))) {
-		MTDDEBUG (MTD_DEBUG_LEVEL0,
-			 "onenand_erase: Length not block aligned\n");
+		pr_debug("onenand_erase: Length not block aligned\n");
 		return -EINVAL;
 	}
 
@@ -1793,12 +1795,12 @@ int onenand_erase(struct mtd_info *mtd, struct erase_info *instr)
 		/* Check, if it is write protected */
 		if (ret) {
 			if (ret == -EPERM)
-				MTDDEBUG (MTD_DEBUG_LEVEL0, "onenand_erase: "
-					  "Device is write protected!!!\n");
+				pr_debug("onenand_erase: "
+					 "Device is write protected!!!\n");
 			else
-				MTDDEBUG (MTD_DEBUG_LEVEL0, "onenand_erase: "
-					  "Failed erase, block %d\n",
-					onenand_block(this, addr));
+				pr_debug("onenand_erase: "
+					 "Failed erase, block %d\n",
+					 onenand_block(this, addr));
 			instr->state = MTD_ERASE_FAILED;
 			instr->fail_addr = addr;
 
@@ -1849,7 +1851,7 @@ erase_exit:
  */
 void onenand_sync(struct mtd_info *mtd)
 {
-	MTDDEBUG (MTD_DEBUG_LEVEL3, "onenand_sync: called\n");
+	pr_debug("onenand_sync: called\n");
 
 	/* Grab the lock and see if the device is available */
 	onenand_get_device(mtd, FL_SYNCING);
diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c
index 20507004ed..cde342aaec 100644
--- a/drivers/mtd/onenand/onenand_bbt.c
+++ b/drivers/mtd/onenand/onenand_bbt.c
@@ -160,9 +160,8 @@ static int onenand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt)
 	block = (int) (onenand_block(this, offs) << 1);
 	res = (bbm->bbt[block >> 3] >> (block & 0x06)) & 0x03;
 
-	MTDDEBUG (MTD_DEBUG_LEVEL2,
-		"onenand_isbad_bbt: bbt info for offs 0x%08x: (block %d) 0x%02x\n",
-		(unsigned int)offs, block >> 1, res);
+	pr_debug("onenand_isbad_bbt: bbt info for offs 0x%08x: (block %d) 0x%02x\n",
+		 (unsigned int)offs, block >> 1, res);
 
 	switch ((int)res) {
 	case 0x00: