X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fmtd%2Fnand%2Fmxc_nand.c;h=f12b07e7adc720e9537be24e18d82bd22993b0cf;hb=0abdd9d01ac6ca58d8c5765bdaf4283949fdcd76;hp=ac435f205045e8a5f1d55643f7cdea20af98beac;hpb=dfe64e2c89731a3f9950d7acd8681b68df2bae03;p=u-boot

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index ac435f2050..f12b07e7ad 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -3,19 +3,7 @@
  * Copyright 2008 Sascha Hauer, kernel@pengutronix.de
  * Copyright 2009 Ilya Yanok, <yanok@emcraft.com>
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -961,30 +949,6 @@ static void mxc_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
 	host->col_addr = col;
 }
 
-/*
- * Used by the upper layer to verify the data in NAND Flash
- * with the data in the buf.
- */
-static int mxc_nand_verify_buf(struct mtd_info *mtd,
-				const u_char *buf, int len)
-{
-	u_char tmp[256];
-	uint bsize;
-
-	while (len) {
-		bsize = min(len, 256);
-		mxc_nand_read_buf(mtd, tmp, bsize);
-
-		if (memcmp(buf, tmp, bsize))
-			return 1;
-
-		buf += bsize;
-		len -= bsize;
-	}
-
-	return 0;
-}
-
 /*
  * This function is used by upper layer for select and
  * deselect of the NAND chip
@@ -1215,7 +1179,6 @@ int board_nand_init(struct nand_chip *this)
 	this->read_word = mxc_nand_read_word;
 	this->write_buf = mxc_nand_write_buf;
 	this->read_buf = mxc_nand_read_buf;
-	this->verify_buf = mxc_nand_verify_buf;
 
 	host->regs = (struct mxc_nand_regs __iomem *)CONFIG_MXC_NAND_REGS_BASE;
 #ifdef MXC_NFC_V3_2
@@ -1242,12 +1205,10 @@ int board_nand_init(struct nand_chip *this)
 		this->ecc.mode = NAND_ECC_HW;
 	}
 
-	if (this->ecc.mode == NAND_ECC_HW) {
-		if (is_mxc_nfc_1())
-			this->ecc.strength = 1;
-		else
-			this->ecc.strength = 4;
-	}
+	if (is_mxc_nfc_1())
+		this->ecc.strength = 1;
+	else
+		this->ecc.strength = 4;
 
 	host->pagesize_2k = 0;