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path: root/drivers/mtd/nand/hisi504_nand.c
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Diffstat (limited to 'drivers/mtd/nand/hisi504_nand.c')
-rw-r--r--drivers/mtd/nand/hisi504_nand.c53
1 files changed, 25 insertions, 28 deletions
diff --git a/drivers/mtd/nand/hisi504_nand.c b/drivers/mtd/nand/hisi504_nand.c
index 0cb2e886937d..f8d37f36a81c 100644
--- a/drivers/mtd/nand/hisi504_nand.c
+++ b/drivers/mtd/nand/hisi504_nand.c
@@ -134,7 +134,6 @@
struct hinfc_host {
struct nand_chip chip;
- struct mtd_info mtd;
struct device *dev;
void __iomem *iobase;
void __iomem *mmio;
@@ -189,8 +188,8 @@ static void wait_controller_finished(struct hinfc_host *host)
static void hisi_nfc_dma_transfer(struct hinfc_host *host, int todev)
{
- struct mtd_info *mtd = &host->mtd;
- struct nand_chip *chip = mtd->priv;
+ struct nand_chip *chip = &host->chip;
+ struct mtd_info *mtd = nand_to_mtd(chip);
unsigned long val;
int ret;
@@ -262,7 +261,7 @@ static int hisi_nfc_send_cmd_pageprog(struct hinfc_host *host)
static int hisi_nfc_send_cmd_readstart(struct hinfc_host *host)
{
- struct mtd_info *mtd = &host->mtd;
+ struct mtd_info *mtd = nand_to_mtd(&host->chip);
if ((host->addr_value[0] == host->cache_addr_value[0]) &&
(host->addr_value[1] == host->cache_addr_value[1]))
@@ -357,8 +356,8 @@ static int hisi_nfc_send_cmd_reset(struct hinfc_host *host, int chipselect)
static void hisi_nfc_select_chip(struct mtd_info *mtd, int chipselect)
{
- struct nand_chip *chip = mtd->priv;
- struct hinfc_host *host = chip->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct hinfc_host *host = nand_get_controller_data(chip);
if (chipselect < 0)
return;
@@ -368,8 +367,8 @@ static void hisi_nfc_select_chip(struct mtd_info *mtd, int chipselect)
static uint8_t hisi_nfc_read_byte(struct mtd_info *mtd)
{
- struct nand_chip *chip = mtd->priv;
- struct hinfc_host *host = chip->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct hinfc_host *host = nand_get_controller_data(chip);
if (host->command == NAND_CMD_STATUS)
return *(uint8_t *)(host->mmio);
@@ -384,8 +383,8 @@ static uint8_t hisi_nfc_read_byte(struct mtd_info *mtd)
static u16 hisi_nfc_read_word(struct mtd_info *mtd)
{
- struct nand_chip *chip = mtd->priv;
- struct hinfc_host *host = chip->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct hinfc_host *host = nand_get_controller_data(chip);
host->offset += 2;
return *(u16 *)(host->buffer + host->offset - 2);
@@ -394,8 +393,8 @@ static u16 hisi_nfc_read_word(struct mtd_info *mtd)
static void
hisi_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
{
- struct nand_chip *chip = mtd->priv;
- struct hinfc_host *host = chip->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct hinfc_host *host = nand_get_controller_data(chip);
memcpy(host->buffer + host->offset, buf, len);
host->offset += len;
@@ -403,8 +402,8 @@ hisi_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
static void hisi_nfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
{
- struct nand_chip *chip = mtd->priv;
- struct hinfc_host *host = chip->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct hinfc_host *host = nand_get_controller_data(chip);
memcpy(buf, host->buffer + host->offset, len);
host->offset += len;
@@ -412,8 +411,8 @@ static void hisi_nfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
static void set_addr(struct mtd_info *mtd, int column, int page_addr)
{
- struct nand_chip *chip = mtd->priv;
- struct hinfc_host *host = chip->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct hinfc_host *host = nand_get_controller_data(chip);
unsigned int command = host->command;
host->addr_cycle = 0;
@@ -448,8 +447,8 @@ static void set_addr(struct mtd_info *mtd, int column, int page_addr)
static void hisi_nfc_cmdfunc(struct mtd_info *mtd, unsigned command, int column,
int page_addr)
{
- struct nand_chip *chip = mtd->priv;
- struct hinfc_host *host = chip->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct hinfc_host *host = nand_get_controller_data(chip);
int is_cache_invalid = 1;
unsigned int flag = 0;
@@ -543,7 +542,7 @@ static irqreturn_t hinfc_irq_handle(int irq, void *devid)
static int hisi_nand_read_page_hwecc(struct mtd_info *mtd,
struct nand_chip *chip, uint8_t *buf, int oob_required, int page)
{
- struct hinfc_host *host = chip->priv;
+ struct hinfc_host *host = nand_get_controller_data(chip);
int max_bitflips = 0, stat = 0, stat_max = 0, status_ecc;
int stat_1, stat_2;
@@ -575,7 +574,7 @@ static int hisi_nand_read_page_hwecc(struct mtd_info *mtd,
static int hisi_nand_read_oob(struct mtd_info *mtd, struct nand_chip *chip,
int page)
{
- struct hinfc_host *host = chip->priv;
+ struct hinfc_host *host = nand_get_controller_data(chip);
chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page);
chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
@@ -643,7 +642,7 @@ static int hisi_nfc_ecc_probe(struct hinfc_host *host)
int size, strength, ecc_bits;
struct device *dev = host->dev;
struct nand_chip *chip = &host->chip;
- struct mtd_info *mtd = &host->mtd;
+ struct mtd_info *mtd = nand_to_mtd(chip);
struct device_node *np = host->dev->of_node;
size = of_get_nand_ecc_step_size(np);
@@ -704,7 +703,6 @@ static int hisi_nfc_probe(struct platform_device *pdev)
struct mtd_info *mtd;
struct resource *res;
struct device_node *np = dev->of_node;
- struct mtd_part_parser_data ppdata;
host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL);
if (!host)
@@ -713,7 +711,7 @@ static int hisi_nfc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, host);
chip = &host->chip;
- mtd = &host->mtd;
+ mtd = nand_to_mtd(chip);
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@@ -737,11 +735,11 @@ static int hisi_nfc_probe(struct platform_device *pdev)
goto err_res;
}
- mtd->priv = chip;
mtd->name = "hisi_nand";
mtd->dev.parent = &pdev->dev;
- chip->priv = host;
+ nand_set_controller_data(chip, host);
+ nand_set_flash_node(chip, np);
chip->cmdfunc = hisi_nfc_cmdfunc;
chip->select_chip = hisi_nfc_select_chip;
chip->read_byte = hisi_nfc_read_byte;
@@ -805,8 +803,7 @@ static int hisi_nfc_probe(struct platform_device *pdev)
goto err_res;
}
- 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, "Err MTD partition=%d\n", ret);
goto err_mtd;
@@ -823,7 +820,7 @@ err_res:
static int hisi_nfc_remove(struct platform_device *pdev)
{
struct hinfc_host *host = platform_get_drvdata(pdev);
- struct mtd_info *mtd = &host->mtd;
+ struct mtd_info *mtd = nand_to_mtd(&host->chip);
nand_release(mtd);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 12:31:19 +0000