[MTD] Remove read/write _ecc variants

MTD clients are agnostic of FLASH which needs ECC suppport.
Remove the functions and fixup the callers.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 17 insertions, 58 deletions

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 3a3fe1d8fcdd..7a2419186ff4 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -597,31 +597,28 @@ static void onenand_release_device(struct mtd_info *mtd)
 }
 
 /**
- * onenand_read_ecc - [MTD Interface] Read data with ECC
+ * onenand_read - [MTD Interface] Read data from flash
  * @param mtd		MTD device structure
  * @param from		offset to read from
  * @param len		number of bytes to read
  * @param retlen	pointer to variable to store the number of read bytes
  * @param buf		the databuffer to put data
- * @param oob_buf	filesystem supplied oob data buffer
- * @param oobsel	oob selection structure
  *
- * OneNAND read with ECC
- */
-static int onenand_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
-	size_t *retlen, u_char *buf,
-	u_char *oob_buf, struct nand_oobinfo *oobsel)
+ * Read with ecc
+*/
+static int onenand_read(struct mtd_info *mtd, loff_t from, size_t len,
+	size_t *retlen, u_char *buf)
 {
 	struct onenand_chip *this = mtd->priv;
 	int read = 0, column;
 	int thislen;
 	int ret = 0;
 
-	DEBUG(MTD_DEBUG_LEVEL3, "onenand_read_ecc: from = 0x%08x, len = %i\n", (unsigned int) from, (int) len);
+	DEBUG(MTD_DEBUG_LEVEL3, "onenand_read: from = 0x%08x, len = %i\n", (unsigned int) from, (int) len);
 
 	/* Do not allow reads past end of device */
 	if ((from + len) > mtd->size) {
-		DEBUG(MTD_DEBUG_LEVEL0, "onenand_read_ecc: Attempt read beyond end of device\n");
+		DEBUG(MTD_DEBUG_LEVEL0, "onenand_read: Attempt read beyond end of device\n");
 		*retlen = 0;
 		return -EINVAL;
 	}
@@ -654,7 +651,7 @@ static int onenand_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
 			break;
 
 		if (ret) {
-			DEBUG(MTD_DEBUG_LEVEL0, "onenand_read_ecc: read failed = %d\n", ret);
+			DEBUG(MTD_DEBUG_LEVEL0, "onenand_read: read failed = %d\n", ret);
 			goto out;
 		}
 
@@ -676,22 +673,6 @@ out:
 }
 
 /**
- * onenand_read - [MTD Interface] MTD compability function for onenand_read_ecc
- * @param mtd		MTD device structure
- * @param from		offset to read from
- * @param len		number of bytes to read
- * @param retlen	pointer to variable to store the number of read bytes
- * @param buf		the databuffer to put data
- *
- * This function simply calls onenand_read_ecc with oob buffer and oobsel = NULL
-*/
-static int onenand_read(struct mtd_info *mtd, loff_t from, size_t len,
-	size_t *retlen, u_char *buf)
-{
-	return onenand_read_ecc(mtd, from, len, retlen, buf, NULL, NULL);
-}
-
-/**
  * onenand_read_oob - [MTD Interface] OneNAND read out-of-band
  * @param mtd		MTD device structure
  * @param from		offset to read from
@@ -834,39 +815,36 @@ static int onenand_verify_page(struct mtd_info *mtd, u_char *buf, loff_t addr)
 #define NOTALIGNED(x)	((x & (mtd->writesize - 1)) != 0)
 
 /**
- * onenand_write_ecc - [MTD Interface] OneNAND write with ECC
+ * onenand_write - [MTD Interface] write buffer to FLASH
  * @param mtd		MTD device structure
  * @param to		offset to write to
  * @param len		number of bytes to write
  * @param retlen	pointer to variable to store the number of written bytes
  * @param buf		the data to write
- * @param eccbuf	filesystem supplied oob data buffer
- * @param oobsel	oob selection structure
  *
- * OneNAND write with ECC
+ * Write with ECC
  */
-static int onenand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
-	size_t *retlen, const u_char *buf,
-	u_char *eccbuf, struct nand_oobinfo *oobsel)
+static int onenand_write(struct mtd_info *mtd, loff_t to, size_t len,
+	size_t *retlen, const u_char *buf)
 {
 	struct onenand_chip *this = mtd->priv;
 	int written = 0;
 	int ret = 0;
 
-	DEBUG(MTD_DEBUG_LEVEL3, "onenand_write_ecc: to = 0x%08x, len = %i\n", (unsigned int) to, (int) len);
+	DEBUG(MTD_DEBUG_LEVEL3, "onenand_write: to = 0x%08x, len = %i\n", (unsigned int) to, (int) len);
 
 	/* Initialize retlen, in case of early exit */
 	*retlen = 0;
 
 	/* Do not allow writes past end of device */
 	if (unlikely((to + len) > mtd->size)) {
-		DEBUG(MTD_DEBUG_LEVEL0, "onenand_write_ecc: Attempt write to past end of device\n");
+		DEBUG(MTD_DEBUG_LEVEL0, "onenand_write: Attempt write to past end of device\n");
 		return -EINVAL;
 	}
 
 	/* Reject writes, which are not page aligned */
         if (unlikely(NOTALIGNED(to)) || unlikely(NOTALIGNED(len))) {
-                DEBUG(MTD_DEBUG_LEVEL0, "onenand_write_ecc: Attempt to write not page aligned data\n");
+                DEBUG(MTD_DEBUG_LEVEL0, "onenand_write: Attempt to write not page aligned data\n");
                 return -EINVAL;
         }
 
@@ -888,7 +866,7 @@ static int onenand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
 
 		ret = this->wait(mtd, FL_WRITING);
 		if (ret) {
-			DEBUG(MTD_DEBUG_LEVEL0, "onenand_write_ecc: write filaed %d\n", ret);
+			DEBUG(MTD_DEBUG_LEVEL0, "onenand_write: write filaed %d\n", ret);
 			goto out;
 		}
 
@@ -897,7 +875,7 @@ static int onenand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
 		/* Only check verify write turn on */
 		ret = onenand_verify_page(mtd, (u_char *) buf, to);
 		if (ret) {
-			DEBUG(MTD_DEBUG_LEVEL0, "onenand_write_ecc: verify failed %d\n", ret);
+			DEBUG(MTD_DEBUG_LEVEL0, "onenand_write: verify failed %d\n", ret);
 			goto out;
 		}
 
@@ -918,23 +896,6 @@ out:
 }
 
 /**
- * onenand_write - [MTD Interface] compability function for onenand_write_ecc
- * @param mtd		MTD device structure
- * @param to		offset to write to
- * @param len		number of bytes to write
- * @param retlen	pointer to variable to store the number of written bytes
- * @param buf		the data to write
- *
- * This function simply calls onenand_write_ecc
- * with oob buffer and oobsel = NULL
- */
-static int onenand_write(struct mtd_info *mtd, loff_t to, size_t len,
-	size_t *retlen, const u_char *buf)
-{
-	return onenand_write_ecc(mtd, to, len, retlen, buf, NULL, NULL);
-}
-
-/**
  * onenand_write_oob - [MTD Interface] OneNAND write out-of-band
  * @param mtd		MTD device structure
  * @param to		offset to write to
@@ -1812,8 +1773,6 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
 	mtd->unpoint = NULL;
 	mtd->read = onenand_read;
 	mtd->write = onenand_write;
-	mtd->read_ecc = onenand_read_ecc;
-	mtd->write_ecc = onenand_write_ecc;
 	mtd->read_oob = onenand_read_oob;
 	mtd->write_oob = onenand_write_oob;
 #ifdef CONFIG_MTD_ONENAND_OTP