1 From de994d9c849ca0ca020fccfa1916afcde7f313f2 Mon Sep 17 00:00:00 2001
2 From: Boris BREZILLON <boris.brezillon@free-electrons.com>
3 Date: Sun, 24 Aug 2014 10:40:44 +0200
4 Subject: [PATCH] mtd: nand: sunxi: Fallback to chip config when partition
5 config is not available
7 Fallback to chip config for partitions where ecc/rnd config are not
8 specified in the device tree.
10 Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
11 Signed-off-by: Hans de Goede <hdegoede@redhat.com>
13 drivers/mtd/nand/sunxi_nand.c | 27 ++++++++++++++++++---------
14 1 file changed, 18 insertions(+), 9 deletions(-)
16 diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
17 index 2f6ab39..74f2caf 100644
18 --- a/drivers/mtd/nand/sunxi_nand.c
19 +++ b/drivers/mtd/nand/sunxi_nand.c
20 @@ -1711,28 +1711,37 @@ static void sunxi_nand_part_release(struct nand_part *part)
21 struct nand_part *sunxi_ofnandpart_parse(void *priv, struct mtd_info *master,
22 struct device_node *pp)
24 + struct nand_chip *chip = master->priv;
25 struct sunxi_nand_part *part;
28 part = kzalloc(sizeof(*part), GFP_KERNEL);
29 part->part.release = sunxi_nand_part_release;
31 - ret = sunxi_nand_ecc_init(master, &part->ecc, pp);
34 + if (of_find_property(pp, "nand-ecc-mode", NULL)) {
35 + ret = sunxi_nand_ecc_init(master, &part->ecc, pp);
39 - ret = sunxi_nand_rnd_init(master, &part->rnd, &part->ecc, pp);
41 - sunxi_nand_ecc_cleanup(&part->ecc);
43 + part->part.ecc = &part->ecc;
46 - part->part.ecc = &part->ecc;
47 - part->part.rnd = &part->rnd;
48 + if (of_find_property(pp, "nand-rnd-mode", NULL)) {
49 + ret = sunxi_nand_rnd_init(master, &part->rnd,
50 + part->part.ecc ? part->part.ecc : &chip->ecc,
55 + part->part.rnd = &part->rnd;
62 + sunxi_nand_ecc_cleanup(part->part.ecc);