mtd: nand: pxa3xx: Clear cmd buffer #3 (NDCB3) on command start

Command buffer #3 is not properly cleared and it keeps the last
set value. Fix this by clearing when a command is setup.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 5062eddad834871b9686921fc42908c081e1a3cf..2962614899eaf8d481dcbef0e7e038793a4a8e92 100644 (file)
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -602,6 +602,7 @@ static int prepare_command_pool(struct pxa3xx_nand_info *info, int command,
        info->use_ecc           = 0;
        info->use_spare         = 1;
        info->retcode           = ERR_NONE;
+       info->ndcb3             = 0;
        if (info->cs != 0)
                info->ndcb0 = NDCB0_CSEL;
        else
@@ -623,7 +624,6 @@ static int prepare_command_pool(struct pxa3xx_nand_info *info, int command,
        default:
                info->ndcb1 = 0;
                info->ndcb2 = 0;
-               info->ndcb3 = 0;
                break;
        }