3 files changed, 18 insertions, 12 deletions

diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index 14a49abe057e..1fcb41adab07 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -608,7 +608,7 @@ static int omap2_onenand_enable(struct mtd_info *mtd)
 
 	ret = regulator_enable(c->regulator);
 	if (ret != 0)
-		dev_err(&c->pdev->dev, "cant enable regulator\n");
+		dev_err(&c->pdev->dev, "can't enable regulator\n");
 
 	return ret;
 }
@@ -620,7 +620,7 @@ static int omap2_onenand_disable(struct mtd_info *mtd)
 
 	ret = regulator_disable(c->regulator);
 	if (ret != 0)
-		dev_err(&c->pdev->dev, "cant disable regulator\n");
+		dev_err(&c->pdev->dev, "can't disable regulator\n");
 
 	return ret;
 }
@@ -629,6 +629,7 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
 {
 	struct omap_onenand_platform_data *pdata;
 	struct omap2_onenand *c;
+	struct onenand_chip *this;
 	int r;
 
 	pdata = pdev->dev.platform_data;
@@ -726,9 +727,8 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
 
 	c->mtd.dev.parent = &pdev->dev;
 
+	this = &c->onenand;
 	if (c->dma_channel >= 0) {
-		struct onenand_chip *this = &c->onenand;
-
 		this->wait = omap2_onenand_wait;
 		if (cpu_is_omap34xx()) {
 			this->read_bufferram = omap3_onenand_read_bufferram;
@@ -749,6 +749,9 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
 		c->onenand.disable = omap2_onenand_disable;
 	}
 
+	if (pdata->skip_initial_unlocking)
+		this->options |= ONENAND_SKIP_INITIAL_UNLOCKING;
+
 	if ((r = onenand_scan(&c->mtd, 1)) < 0)
 		goto err_release_regulator;
 
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index bac41caa8df7..56a8b2005bda 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1132,6 +1132,8 @@ static int onenand_mlc_read_ops_nolock(struct mtd_info *mtd, loff_t from,
 			onenand_update_bufferram(mtd, from, !ret);
 			if (ret == -EBADMSG)
 				ret = 0;
+			if (ret)
+				break;
 		}
 
 		this->read_bufferram(mtd, ONENAND_DATARAM, buf, column, thislen);
@@ -1646,11 +1648,10 @@ static int onenand_verify(struct mtd_info *mtd, const u_char *buf, loff_t addr,
 	int ret = 0;
 	int thislen, column;
 
+	column = addr & (this->writesize - 1);
+
 	while (len != 0) {
-		thislen = min_t(int, this->writesize, len);
-		column = addr & (this->writesize - 1);
-		if (column + thislen > this->writesize)
-			thislen = this->writesize - column;
+		thislen = min_t(int, this->writesize - column, len);
 
 		this->command(mtd, ONENAND_CMD_READ, addr, this->writesize);
 
@@ -1664,12 +1665,13 @@ static int onenand_verify(struct mtd_info *mtd, const u_char *buf, loff_t addr,
 
 		this->read_bufferram(mtd, ONENAND_DATARAM, this->verify_buf, 0, mtd->writesize);
 
-		if (memcmp(buf, this->verify_buf, thislen))
+		if (memcmp(buf, this->verify_buf + column, thislen))
 			return -EBADMSG;
 
 		len -= thislen;
 		buf += thislen;
 		addr += thislen;
+		column = 0;
 	}
 
 	return 0;
@@ -4083,7 +4085,8 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
 	mtd->writebufsize = mtd->writesize;
 
 	/* Unlock whole block */
-	this->unlock_all(mtd);
+	if (!(this->options & ONENAND_SKIP_INITIAL_UNLOCKING))
+		this->unlock_all(mtd);
 
 	ret = this->scan_bbt(mtd);
 	if ((!FLEXONENAND(this)) || ret)
diff --git a/drivers/mtd/onenand/onenand_sim.c b/drivers/mtd/onenand/onenand_sim.c
index 8b246061d511..5ef3bd547772 100644
--- a/drivers/mtd/onenand/onenand_sim.c
+++ b/drivers/mtd/onenand/onenand_sim.c
@@ -321,7 +321,7 @@ static void onenand_data_handle(struct onenand_chip *this, int cmd,
 				continue;
 			if (memcmp(dest + off, ffchars, this->subpagesize) &&
 			    onenand_check_overwrite(dest + off, src + off, this->subpagesize))
-				printk(KERN_ERR "over-write happend at 0x%08x\n", offset);
+				printk(KERN_ERR "over-write happened at 0x%08x\n", offset);
 			memcpy(dest + off, src + off, this->subpagesize);
 		}
 		/* Fall through */
@@ -335,7 +335,7 @@ static void onenand_data_handle(struct onenand_chip *this, int cmd,
 		dest = ONENAND_CORE_SPARE(flash, this, offset);
 		if (memcmp(dest, ffchars, mtd->oobsize) &&
 		    onenand_check_overwrite(dest, src, mtd->oobsize))
-			printk(KERN_ERR "OOB: over-write happend at 0x%08x\n",
+			printk(KERN_ERR "OOB: over-write happened at 0x%08x\n",
 			       offset);
 		memcpy(dest, src, mtd->oobsize);
 		break;