mtd: cafe_nand: drop duplicate .write_page implementation

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=6710247706bfc4e6ad22a124c097964bb713fb8d
Commit:     6710247706bfc4e6ad22a124c097964bb713fb8d
Parent:     3e38933dd894b48d422113cb26fd3510fd2a80bd
Author:     Brian Norris <computersforpeace at gmail.com>
AuthorDate: Mon Nov 10 13:06:04 2014 -0800
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Tue Nov 25 23:13:38 2014 -0800

    mtd: cafe_nand: drop duplicate .write_page implementation
    
    This write_page() function is functionally equivalent to the default in
    nand_base.c. Its only difference is in subpage programming support,
    which cafe_nand.c does not advertise, so the difference is negligible.
    
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 drivers/mtd/nand/cafe_nand.c | 45 --------------------------------------------
 1 file changed, 45 deletions(-)

diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index 4e66726..9a0f45f 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -529,50 +529,6 @@ static int cafe_nand_write_page_lowlevel(struct mtd_info *mtd,
 	return 0;
 }
 
-static int cafe_nand_write_page(struct mtd_info *mtd, struct nand_chip *chip,
-			uint32_t offset, int data_len, const uint8_t *buf,
-			int oob_required, int page, int cached, int raw)
-{
-	int status;
-
-	chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0x00, page);
-
-	if (unlikely(raw))
-		status = chip->ecc.write_page_raw(mtd, chip, buf, oob_required);
-	else
-		status = chip->ecc.write_page(mtd, chip, buf, oob_required);
-
-	if (status < 0)
-		return status;
-
-	/*
-	 * Cached progamming disabled for now, Not sure if its worth the
-	 * trouble. The speed gain is not very impressive. (2.3->2.6Mib/s)
-	 */
-	cached = 0;
-
-	if (!cached || !(chip->options & NAND_CACHEPRG)) {
-
-		chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
-		status = chip->waitfunc(mtd, chip);
-		/*
-		 * See if operation failed and additional status checks are
-		 * available
-		 */
-		if ((status & NAND_STATUS_FAIL) && (chip->errstat))
-			status = chip->errstat(mtd, chip, FL_WRITING, status,
-					       page);
-
-		if (status & NAND_STATUS_FAIL)
-			return -EIO;
-	} else {
-		chip->cmdfunc(mtd, NAND_CMD_CACHEDPROG, -1, -1);
-		status = chip->waitfunc(mtd, chip);
-	}
-
-	return 0;
-}
-
 static int cafe_nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
 {
 	return 0;
@@ -800,7 +756,6 @@ static int cafe_nand_probe(struct pci_dev *pdev,
 	cafe->nand.ecc.hwctl  = (void *)cafe_nand_bug;
 	cafe->nand.ecc.calculate = (void *)cafe_nand_bug;
 	cafe->nand.ecc.correct  = (void *)cafe_nand_bug;
-	cafe->nand.write_page = cafe_nand_write_page;
 	cafe->nand.ecc.write_page = cafe_nand_write_page_lowlevel;
 	cafe->nand.ecc.write_oob = cafe_nand_write_oob;
 	cafe->nand.ecc.read_page = cafe_nand_read_page;