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path: root/drivers/mtd/nand/raw/sunxi_nand.c
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Diffstat (limited to 'drivers/mtd/nand/raw/sunxi_nand.c')
-rw-r--r--drivers/mtd/nand/raw/sunxi_nand.c43
1 files changed, 19 insertions, 24 deletions
diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index 2c0cbe72b449..1f0b7ee38df5 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -1814,12 +1814,21 @@ static void sunxi_nand_ecc_cleanup(struct nand_ecc_ctrl *ecc)
}
}
-static int sunxi_nand_ecc_init(struct mtd_info *mtd, struct nand_ecc_ctrl *ecc,
- struct device_node *np)
+static int sunxi_nand_attach_chip(struct nand_chip *nand)
{
- struct nand_chip *nand = mtd_to_nand(mtd);
+ struct mtd_info *mtd = nand_to_mtd(nand);
+ struct nand_ecc_ctrl *ecc = &nand->ecc;
+ struct device_node *np = nand_get_flash_node(nand);
int ret;
+ if (nand->bbt_options & NAND_BBT_USE_FLASH)
+ nand->bbt_options |= NAND_BBT_NO_OOB;
+
+ if (nand->options & NAND_NEED_SCRAMBLING)
+ nand->options |= NAND_NO_SUBPAGE_WRITE;
+
+ nand->options |= NAND_SUBPAGE_READ;
+
if (!ecc->size) {
ecc->size = nand->ecc_step_ds;
ecc->strength = nand->ecc_strength_ds;
@@ -1844,6 +1853,10 @@ static int sunxi_nand_ecc_init(struct mtd_info *mtd, struct nand_ecc_ctrl *ecc,
return 0;
}
+static const struct nand_controller_ops sunxi_nand_controller_ops = {
+ .attach_chip = sunxi_nand_attach_chip,
+};
+
static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
struct device_node *np)
{
@@ -1909,6 +1922,8 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
/* Default tR value specified in the ONFI spec (chapter 4.15.1) */
nand->chip_delay = 200;
nand->controller = &nfc->controller;
+ nand->controller->ops = &sunxi_nand_controller_ops;
+
/*
* Set the ECC mode to the default value in case nothing is specified
* in the DT.
@@ -1925,30 +1940,10 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
mtd = nand_to_mtd(nand);
mtd->dev.parent = dev;
- ret = nand_scan_ident(mtd, nsels, NULL);
+ ret = nand_scan(mtd, nsels);
if (ret)
return ret;
- if (nand->bbt_options & NAND_BBT_USE_FLASH)
- nand->bbt_options |= NAND_BBT_NO_OOB;
-
- if (nand->options & NAND_NEED_SCRAMBLING)
- nand->options |= NAND_NO_SUBPAGE_WRITE;
-
- nand->options |= NAND_SUBPAGE_READ;
-
- ret = sunxi_nand_ecc_init(mtd, &nand->ecc, np);
- if (ret) {
- dev_err(dev, "ECC init failed: %d\n", ret);
- return ret;
- }
-
- ret = nand_scan_tail(mtd);
- if (ret) {
- dev_err(dev, "nand_scan_tail failed: %d\n", ret);
- return ret;
- }
-
ret = mtd_device_register(mtd, NULL, 0);
if (ret) {
dev_err(dev, "failed to register mtd device: %d\n", ret);