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path: root/drivers/mtd/nand/sunxi_nand.c
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Diffstat (limited to 'drivers/mtd/nand/sunxi_nand.c')
-rw-r--r--drivers/mtd/nand/sunxi_nand.c50
1 files changed, 24 insertions, 26 deletions
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index 824711845c44..51e10a35fe08 100644
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -234,7 +234,6 @@ struct sunxi_nand_hw_ecc {
struct sunxi_nand_chip {
struct list_head node;
struct nand_chip nand;
- struct mtd_info mtd;
unsigned long clk_rate;
u32 timing_cfg;
u32 timing_ctl;
@@ -350,7 +349,7 @@ static int sunxi_nfc_rst(struct sunxi_nfc *nfc)
static int sunxi_nfc_dev_ready(struct mtd_info *mtd)
{
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
struct sunxi_nand_rb *rb;
@@ -388,7 +387,7 @@ static int sunxi_nfc_dev_ready(struct mtd_info *mtd)
static void sunxi_nfc_select_chip(struct mtd_info *mtd, int chip)
{
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
struct sunxi_nand_chip_sel *sel;
@@ -433,7 +432,7 @@ static void sunxi_nfc_select_chip(struct mtd_info *mtd, int chip)
static void sunxi_nfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
{
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
int ret;
@@ -466,7 +465,7 @@ static void sunxi_nfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
static void sunxi_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf,
int len)
{
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
int ret;
@@ -507,7 +506,7 @@ static uint8_t sunxi_nfc_read_byte(struct mtd_info *mtd)
static void sunxi_nfc_cmd_ctrl(struct mtd_info *mtd, int dat,
unsigned int ctrl)
{
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
int ret;
@@ -541,7 +540,7 @@ static void sunxi_nfc_cmd_ctrl(struct mtd_info *mtd, int dat,
static void sunxi_nfc_hw_ecc_enable(struct mtd_info *mtd)
{
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
struct sunxi_nand_hw_ecc *data = nand->ecc.priv;
u32 ecc_ctl;
@@ -556,7 +555,7 @@ static void sunxi_nfc_hw_ecc_enable(struct mtd_info *mtd)
static void sunxi_nfc_hw_ecc_disable(struct mtd_info *mtd)
{
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
writel(readl(nfc->regs + NFC_REG_ECC_CTL) & ~NFC_ECC_EN,
@@ -577,7 +576,7 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd,
int *cur_off,
unsigned int *max_bitflips)
{
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
struct nand_ecc_ctrl *ecc = &nand->ecc;
u32 status;
@@ -638,7 +637,7 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd,
static void sunxi_nfc_hw_ecc_read_extra_oob(struct mtd_info *mtd,
u8 *oob, int *cur_off)
{
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
struct nand_ecc_ctrl *ecc = &nand->ecc;
int offset = ((ecc->bytes + 4) * ecc->steps);
int len = mtd->oobsize - offset;
@@ -665,7 +664,7 @@ static int sunxi_nfc_hw_ecc_write_chunk(struct mtd_info *mtd,
const u8 *oob, int oob_off,
int *cur_off)
{
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
struct nand_ecc_ctrl *ecc = &nand->ecc;
int ret;
@@ -702,7 +701,7 @@ static int sunxi_nfc_hw_ecc_write_chunk(struct mtd_info *mtd,
static void sunxi_nfc_hw_ecc_write_extra_oob(struct mtd_info *mtd,
u8 *oob, int *cur_off)
{
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
struct nand_ecc_ctrl *ecc = &nand->ecc;
int offset = ((ecc->bytes + 4) * ecc->steps);
int len = mtd->oobsize - offset;
@@ -991,6 +990,7 @@ static int sunxi_nand_chip_set_timings(struct sunxi_nand_chip *chip,
static int sunxi_nand_chip_init_timings(struct sunxi_nand_chip *chip,
struct device_node *np)
{
+ struct mtd_info *mtd = nand_to_mtd(&chip->nand);
const struct nand_sdr_timings *timings;
int ret;
int mode;
@@ -1008,12 +1008,11 @@ static int sunxi_nand_chip_init_timings(struct sunxi_nand_chip *chip,
feature[0] = mode;
for (i = 0; i < chip->nsels; i++) {
- chip->nand.select_chip(&chip->mtd, i);
- ret = chip->nand.onfi_set_features(&chip->mtd,
- &chip->nand,
+ chip->nand.select_chip(mtd, i);
+ ret = chip->nand.onfi_set_features(mtd, &chip->nand,
ONFI_FEATURE_ADDR_TIMING_MODE,
feature);
- chip->nand.select_chip(&chip->mtd, -1);
+ chip->nand.select_chip(mtd, -1);
if (ret)
return ret;
}
@@ -1031,7 +1030,7 @@ static int sunxi_nand_hw_common_ecc_ctrl_init(struct mtd_info *mtd,
struct device_node *np)
{
static const u8 strengths[] = { 16, 24, 28, 32, 40, 48, 56, 60, 64 };
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
struct sunxi_nand_hw_ecc *data;
@@ -1189,7 +1188,7 @@ 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)
{
- struct nand_chip *nand = mtd->priv;
+ struct nand_chip *nand = mtd_to_nand(mtd);
int ret;
if (!ecc->size) {
@@ -1232,7 +1231,6 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
{
const struct nand_sdr_timings *timings;
struct sunxi_nand_chip *chip;
- struct mtd_part_parser_data ppdata;
struct mtd_info *mtd;
struct nand_chip *nand;
int nsels;
@@ -1330,16 +1328,15 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
* in the DT.
*/
nand->ecc.mode = NAND_ECC_HW;
- nand->flash_node = np;
+ nand_set_flash_node(nand, np);
nand->select_chip = sunxi_nfc_select_chip;
nand->cmd_ctrl = sunxi_nfc_cmd_ctrl;
nand->read_buf = sunxi_nfc_read_buf;
nand->write_buf = sunxi_nfc_write_buf;
nand->read_byte = sunxi_nfc_read_byte;
- mtd = &chip->mtd;
+ mtd = nand_to_mtd(nand);
mtd->dev.parent = dev;
- mtd->priv = nand;
ret = nand_scan_ident(mtd, nsels, NULL);
if (ret)
@@ -1366,8 +1363,7 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
return ret;
}
- ppdata.of_node = np;
- ret = mtd_device_parse_register(mtd, NULL, &ppdata, NULL, 0);
+ ret = mtd_device_register(mtd, NULL, 0);
if (ret) {
dev_err(dev, "failed to register mtd device: %d\n", ret);
nand_release(mtd);
@@ -1393,8 +1389,10 @@ static int sunxi_nand_chips_init(struct device *dev, struct sunxi_nfc *nfc)
for_each_child_of_node(np, nand_np) {
ret = sunxi_nand_chip_init(dev, nfc, nand_np);
- if (ret)
+ if (ret) {
+ of_node_put(nand_np);
return ret;
+ }
}
return 0;
@@ -1407,7 +1405,7 @@ static void sunxi_nand_chips_cleanup(struct sunxi_nfc *nfc)
while (!list_empty(&nfc->chips)) {
chip = list_first_entry(&nfc->chips, struct sunxi_nand_chip,
node);
- nand_release(&chip->mtd);
+ nand_release(nand_to_mtd(&chip->nand));
sunxi_nand_ecc_cleanup(&chip->nand.ecc);
list_del(&chip->node);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.