diff --git a/drivers/mtd/nand/raw/omap2.c b/drivers/mtd/nand/raw/omap2.c
index 512f60780a50..c56d1c487aaf 100644
--- a/drivers/mtd/nand/raw/omap2.c
+++ b/drivers/mtd/nand/raw/omap2.c
@@ -185,6 +185,7 @@ static inline struct omap_nand_info *mtd_to_omap(struct mtd_info *mtd)
  * @dma_mode: dma mode enable (1) or disable (0)
  * @u32_count: number of bytes to be transferred
  * @is_write: prefetch read(0) or write post(1) mode
+ * @info: NAND device structure containing platform data
  */
 static int omap_prefetch_enable(int cs, int fifo_th, int dma_mode,
 	unsigned int u32_count, int is_write, struct omap_nand_info *info)
@@ -214,7 +215,7 @@ static int omap_prefetch_enable(int cs, int fifo_th, int dma_mode,
 	return 0;
 }
 
-/**
+/*
  * omap_prefetch_reset - disables and stops the prefetch engine
  */
 static int omap_prefetch_reset(int cs, struct omap_nand_info *info)
@@ -939,7 +940,7 @@ static int omap_calculate_ecc(struct nand_chip *chip, const u_char *dat,
 
 /**
  * omap_enable_hwecc - This function enables the hardware ecc functionality
- * @mtd: MTD device structure
+ * @chip: NAND chip object
  * @mode: Read/Write mode
  */
 static void omap_enable_hwecc(struct nand_chip *chip, int mode)
@@ -1009,7 +1010,7 @@ static int omap_wait(struct nand_chip *this)
 
 /**
  * omap_dev_ready - checks the NAND Ready GPIO line
- * @mtd: MTD device structure
+ * @chip: NAND chip object
  *
  * Returns true if ready and false if busy.
  */
@@ -1022,7 +1023,7 @@ static int omap_dev_ready(struct nand_chip *chip)
 
 /**
  * omap_enable_hwecc_bch - Program GPMC to perform BCH ECC calculation
- * @mtd: MTD device structure
+ * @chip: NAND chip object
  * @mode: Read/Write mode
  *
  * When using BCH with SW correction (i.e. no ELM), sector size is set
@@ -1131,7 +1132,7 @@ static u8  bch8_polynomial[] = {0xef, 0x51, 0x2e, 0x09, 0xed, 0x93, 0x9a, 0xc2,
  * _omap_calculate_ecc_bch - Generate ECC bytes for one sector
  * @mtd:	MTD device structure
  * @dat:	The pointer to data on which ecc is computed
- * @ecc_code:	The ecc_code buffer
+ * @ecc_calc:	The ecc_code buffer
  * @i:		The sector number (for a multi sector page)
  *
  * Support calculating of BCH4/8/16 ECC vectors for one sector
@@ -1259,7 +1260,7 @@ static int _omap_calculate_ecc_bch(struct mtd_info *mtd,
  * omap_calculate_ecc_bch_sw - ECC generator for sector for SW based correction
  * @chip:	NAND chip object
  * @dat:	The pointer to data on which ecc is computed
- * @ecc_code:	The ecc_code buffer
+ * @ecc_calc:	Buffer storing the calculated ECC bytes
  *
  * Support calculating of BCH4/8/16 ECC vectors for one sector. This is used
  * when SW based correction is required as ECC is required for one sector
@@ -1275,7 +1276,7 @@ static int omap_calculate_ecc_bch_sw(struct nand_chip *chip,
  * omap_calculate_ecc_bch_multi - Generate ECC for multiple sectors
  * @mtd:	MTD device structure
  * @dat:	The pointer to data on which ecc is computed
- * @ecc_code:	The ecc_code buffer
+ * @ecc_calc:	Buffer storing the calculated ECC bytes
  *
  * Support calculating of BCH4/8/16 ecc vectors for the entire page in one go.
  */
@@ -1674,7 +1675,8 @@ static int omap_read_page_bch(struct nand_chip *chip, uint8_t *buf,
 
 /**
  * is_elm_present - checks for presence of ELM module by scanning DT nodes
- * @omap_nand_info: NAND device structure containing platform data
+ * @info: NAND device structure containing platform data
+ * @elm_node: ELM's DT node
  */
 static bool is_elm_present(struct omap_nand_info *info,
 			   struct device_node *elm_node)