mtd: denali: remove unnecessary stubs

Linux-MTD Mailing List linux-mtd at lists.infradead.org
Mon Feb 16 18:59:06 PST 2015


Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=d79ee72b8ac37f30a2218fec8c2ba9618c306302
Commit:     d79ee72b8ac37f30a2218fec8c2ba9618c306302
Parent:     2ea69d217a376b4d549fc155675f948eaf7afa86
Author:     Masahiro Yamada <yamada.m at jp.panasonic.com>
AuthorDate: Tue Jan 13 13:29:17 2015 +0900
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Thu Feb 5 20:01:09 2015 -0800

    mtd: denali: remove unnecessary stubs
    
    This driver uses NAND_ECC_HW_SYNDROME mode.  The nand_scan_tail()
    function would not complain about missing ecc->calculate,
    ecc->correct, ecc->hwctl handlers.
    
    Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 drivers/mtd/nand/denali.c | 38 --------------------------------------
 1 file changed, 38 deletions(-)

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 5e397fb..f44c606 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -1328,35 +1328,6 @@ static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
 		break;
 	}
 }
-
-/* stubs for ECC functions not used by the NAND core */
-static int denali_ecc_calculate(struct mtd_info *mtd, const uint8_t *data,
-				uint8_t *ecc_code)
-{
-	struct denali_nand_info *denali = mtd_to_denali(mtd);
-
-	dev_err(denali->dev, "denali_ecc_calculate called unexpectedly\n");
-	BUG();
-	return -EIO;
-}
-
-static int denali_ecc_correct(struct mtd_info *mtd, uint8_t *data,
-				uint8_t *read_ecc, uint8_t *calc_ecc)
-{
-	struct denali_nand_info *denali = mtd_to_denali(mtd);
-
-	dev_err(denali->dev, "denali_ecc_correct called unexpectedly\n");
-	BUG();
-	return -EIO;
-}
-
-static void denali_ecc_hwctl(struct mtd_info *mtd, int mode)
-{
-	struct denali_nand_info *denali = mtd_to_denali(mtd);
-
-	dev_err(denali->dev, "denali_ecc_hwctl called unexpectedly\n");
-	BUG();
-}
 /* end NAND core entry points */
 
 /* Initialization code to bring the device up to a known good state */
@@ -1609,15 +1580,6 @@ int denali_init(struct denali_nand_info *denali)
 	denali->totalblks = denali->mtd.size >> denali->nand.phys_erase_shift;
 	denali->blksperchip = denali->totalblks / denali->nand.numchips;
 
-	/*
-	 * These functions are required by the NAND core framework, otherwise,
-	 * the NAND core will assert. However, we don't need them, so we'll stub
-	 * them out.
-	 */
-	denali->nand.ecc.calculate = denali_ecc_calculate;
-	denali->nand.ecc.correct = denali_ecc_correct;
-	denali->nand.ecc.hwctl = denali_ecc_hwctl;
-
 	/* override the default read operations */
 	denali->nand.ecc.size = ECC_SECTOR_SIZE * denali->devnum;
 	denali->nand.ecc.read_page = denali_read_page;



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