From 974f66a4700ca4e433e0e39526ac5bd3012cbe43 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org>
Date: Mon, 4 Apr 2022 18:17:18 +0200
Subject: [PATCH] mtd: rawnand: fsl_elbc: Implement RNDOUT command
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This is needed for SW ECC.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
---
drivers/mtd/nand/raw/fsl_elbc_nand.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/mtd/nand/raw/fsl_elbc_nand.c b/drivers/mtd/nand/raw/fsl_elbc_nand.c
index ddfd75d32d..f8698ec015 100644
--- a/drivers/mtd/nand/raw/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/raw/fsl_elbc_nand.c
@@ -312,6 +312,14 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command,
fsl_elbc_run_command(mtd);
return;
+ /* RNDOUT moves the pointer inside the page */
+ case NAND_CMD_RNDOUT:
+ vdbg("fsl_elbc_cmdfunc: NAND_CMD_RNDOUT, column: 0x%x.\n",
+ column);
+
+ ctrl->index = column;
+ return;
+
/* READOOB reads only the OOB because no ECC is performed. */
case NAND_CMD_READOOB:
vdbg("fsl_elbc_cmdfunc: NAND_CMD_READOOB, page_addr:"
--
2.39.5