From: Marek Behún <marek.behun@nic.cz>
Date: Fri, 22 Mar 2019 13:26:18 +0000 (+0100)
Subject: mtd: rawnand: fsl_elbc: Implement RNDOUT command
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=070fb9744d5b7f893da263149a4f3245bb618bdf;p=openwrt%2Fstaging%2Fblogic.git

mtd: rawnand: fsl_elbc: Implement RNDOUT command

This is needed for SW ECC.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---

diff --git a/drivers/mtd/nand/raw/fsl_elbc_nand.c b/drivers/mtd/nand/raw/fsl_elbc_nand.c
index ffcc4241ddc6..513897ce173e 100644
--- a/drivers/mtd/nand/raw/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/raw/fsl_elbc_nand.c
@@ -355,6 +355,15 @@ static void fsl_elbc_cmdfunc(struct nand_chip *chip, unsigned int command,
 		fsl_elbc_run_command(mtd);
 		return;
 
+	/* RNDOUT moves the pointer inside the page */
+	case NAND_CMD_RNDOUT:
+		dev_dbg(priv->dev,
+			"fsl_elbc_cmdfunc: NAND_CMD_RNDOUT, column: 0x%x.\n",
+			column);
+
+		elbc_fcm_ctrl->index = column;
+		return;
+
 	/* READOOB reads only the OOB because no ECC is performed. */
 	case NAND_CMD_READOOB:
 		dev_vdbg(priv->dev,