mtd: rawnand: fsl_elbc: Implement RNDOUT command

This is needed for SW ECC.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

diff --git a/drivers/mtd/nand/raw/fsl_elbc_nand.c b/drivers/mtd/nand/raw/fsl_elbc_nand.c
index ddfd75d..f8698ec 100644 (file)
--- 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:"