linux-kernel - [PATCH 9/9] mtd: nand: denali: remove unneeded init of ECC

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Message-Id: <1505280046-16608-10-git-send-email-yamada.masahiro@socionext.com>
Date:   Wed, 13 Sep 2017 14:20:46 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-mtd@...ts.infradead.org
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>,
        linux-kernel@...r.kernel.org,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Brian Norris <computersforpeace@...il.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>
Subject: [PATCH 9/9] mtd: nand: denali: remove unneeded init of ECC_ENABLE register

The ECC correction is properly enabled/disabled before the page
read/write.  There is no need to set up this at the beginning of
the probe.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 drivers/mtd/nand/denali.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 02ce310..7a2ad47 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -1101,8 +1101,6 @@ static void denali_hw_init(struct denali_nand_info *denali)
 	iowrite32(CHIP_EN_DONT_CARE__FLAG, denali->reg + CHIP_ENABLE_DONT_CARE);
 
 	iowrite32(0xffff, denali->reg + SPARE_AREA_MARKER);
-
-	iowrite32(1, denali->reg + ECC_ENABLE);
 }
 
 int denali_calc_ecc_bytes(int step_size, int strength)
-- 
2.7.4