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author | Boris BREZILLON <boris.brezillon@free-electrons.com> | 2015-12-10 09:00:41 +0100 |
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committer | Brian Norris <computersforpeace@gmail.com> | 2016-01-07 10:23:41 -0800 |
commit | d699ed250c07384840263bbbf69cf7b90b45470c (patch) | |
tree | 954ed7cebade37cdf63b87df7e00d6713545c2c1 /drivers/mtd/nand/atmel_nand.c | |
parent | d9dccc68c5cae4ef7b4a617a93a87b11c6f0c53a (diff) | |
download | linux-stable-d699ed250c07384840263bbbf69cf7b90b45470c.tar.gz linux-stable-d699ed250c07384840263bbbf69cf7b90b45470c.tar.bz2 linux-stable-d699ed250c07384840263bbbf69cf7b90b45470c.zip |
mtd: nand: make use of nand_set/get_controller_data() helpers
New helpers have been added to avoid directly accessing chip->field. Use
them where appropriate.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
[Brian: fixed a few rebase conflicts]
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd/nand/atmel_nand.c')
-rw-r--r-- | drivers/mtd/nand/atmel_nand.c | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index b216bf521349..bddcf83d6859 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -182,7 +182,7 @@ static void atmel_nand_disable(struct atmel_nand_host *host) static void atmel_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); if (ctrl & NAND_CTRL_CHANGE) { if (ctrl & NAND_NCE) @@ -205,7 +205,7 @@ static void atmel_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl static int atmel_nand_device_ready(struct mtd_info *mtd) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); return gpio_get_value(host->board.rdy_pin) ^ !!host->board.rdy_pin_active_low; @@ -215,7 +215,7 @@ static int atmel_nand_device_ready(struct mtd_info *mtd) static int atmel_nand_set_enable_ready_pins(struct mtd_info *mtd) { struct nand_chip *chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(chip); int res = 0; if (gpio_is_valid(host->board.rdy_pin)) { @@ -267,7 +267,7 @@ static int atmel_nand_set_enable_ready_pins(struct mtd_info *mtd) static void atmel_read_buf8(struct mtd_info *mtd, u8 *buf, int len) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); if (host->nfc && host->nfc->use_nfc_sram && host->nfc->data_in_sram) { memcpy(buf, host->nfc->data_in_sram, len); @@ -280,7 +280,7 @@ static void atmel_read_buf8(struct mtd_info *mtd, u8 *buf, int len) static void atmel_read_buf16(struct mtd_info *mtd, u8 *buf, int len) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); if (host->nfc && host->nfc->use_nfc_sram && host->nfc->data_in_sram) { memcpy(buf, host->nfc->data_in_sram, len); @@ -354,7 +354,7 @@ static int atmel_nand_dma_op(struct mtd_info *mtd, void *buf, int len, struct dma_async_tx_descriptor *tx = NULL; dma_cookie_t cookie; struct nand_chip *chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(chip); void *p = buf; int err = -EIO; enum dma_data_direction dir = is_read ? DMA_FROM_DEVICE : DMA_TO_DEVICE; @@ -427,7 +427,7 @@ err_buf: static void atmel_read_buf(struct mtd_info *mtd, u8 *buf, int len) { struct nand_chip *chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(chip); if (use_dma && len > mtd->oobsize) /* only use DMA for bigger than oob size: better performances */ @@ -443,7 +443,7 @@ static void atmel_read_buf(struct mtd_info *mtd, u8 *buf, int len) static void atmel_write_buf(struct mtd_info *mtd, const u8 *buf, int len) { struct nand_chip *chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(chip); if (use_dma && len > mtd->oobsize) /* only use DMA for bigger than oob size: better performances */ @@ -535,7 +535,7 @@ static int pmecc_data_alloc(struct atmel_nand_host *host) static void pmecc_gen_syndrome(struct mtd_info *mtd, int sector) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); int i; uint32_t value; @@ -552,7 +552,7 @@ static void pmecc_gen_syndrome(struct mtd_info *mtd, int sector) static void pmecc_substitute(struct mtd_info *mtd) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); int16_t __iomem *alpha_to = host->pmecc_alpha_to; int16_t __iomem *index_of = host->pmecc_index_of; int16_t *partial_syn = host->pmecc_partial_syn; @@ -594,7 +594,7 @@ static void pmecc_substitute(struct mtd_info *mtd) static void pmecc_get_sigma(struct mtd_info *mtd) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); int16_t *lmu = host->pmecc_lmu; int16_t *si = host->pmecc_si; @@ -752,7 +752,7 @@ static void pmecc_get_sigma(struct mtd_info *mtd) static int pmecc_err_location(struct mtd_info *mtd) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); unsigned long end_time; const int cap = host->pmecc_corr_cap; const int num = 2 * cap + 1; @@ -804,7 +804,7 @@ static void pmecc_correct_data(struct mtd_info *mtd, uint8_t *buf, uint8_t *ecc, int sector_num, int extra_bytes, int err_nbr) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); int i = 0; int byte_pos, bit_pos, sector_size, pos; uint32_t tmp; @@ -850,7 +850,7 @@ static int pmecc_correction(struct mtd_info *mtd, u32 pmecc_stat, uint8_t *buf, u8 *ecc) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); int i, err_nbr; uint8_t *buf_pos; int max_bitflips = 0; @@ -920,7 +920,7 @@ static void pmecc_enable(struct atmel_nand_host *host, int ecc_op) static int atmel_nand_pmecc_read_page(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page) { - struct atmel_nand_host *host = chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(chip); int eccsize = chip->ecc.size * chip->ecc.steps; uint8_t *oob = chip->oob_poi; uint32_t *eccpos = chip->ecc.layout->eccpos; @@ -958,7 +958,7 @@ static int atmel_nand_pmecc_write_page(struct mtd_info *mtd, struct nand_chip *chip, const uint8_t *buf, int oob_required, int page) { - struct atmel_nand_host *host = chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(chip); uint32_t *eccpos = chip->ecc.layout->eccpos; int i, j; unsigned long end_time; @@ -994,7 +994,7 @@ static int atmel_nand_pmecc_write_page(struct mtd_info *mtd, static void atmel_pmecc_core_init(struct mtd_info *mtd) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); uint32_t val = 0; struct nand_ecclayout *ecc_layout; @@ -1310,7 +1310,7 @@ static int atmel_nand_calculate(struct mtd_info *mtd, const u_char *dat, unsigned char *ecc_code) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); unsigned int ecc_value; /* get the first 2 ECC bytes */ @@ -1356,7 +1356,7 @@ static int atmel_nand_read_page(struct mtd_info *mtd, struct nand_chip *chip, * Workaround: Reset the parity registers before reading the * actual data. */ - struct atmel_nand_host *host = chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(chip); if (host->board.need_reset_workaround) ecc_writel(host->ecc, CR, ATMEL_ECC_RST); @@ -1414,7 +1414,7 @@ static int atmel_nand_correct(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *isnull) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); unsigned int ecc_status; unsigned int ecc_word, ecc_bit; @@ -1480,7 +1480,7 @@ static int atmel_nand_correct(struct mtd_info *mtd, u_char *dat, static void atmel_nand_hwctl(struct mtd_info *mtd, int mode) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); if (host->board.need_reset_workaround) ecc_writel(host->ecc, CR, ATMEL_ECC_RST); @@ -1773,7 +1773,7 @@ static int nfc_device_ready(struct mtd_info *mtd) { u32 status, mask; struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); status = nfc_read_status(host); mask = nfc_readl(host->nfc->hsmc_regs, IMR); @@ -1789,7 +1789,7 @@ static int nfc_device_ready(struct mtd_info *mtd) static void nfc_select_chip(struct mtd_info *mtd, int chip) { struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = nand_chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(nand_chip); if (chip == -1) nfc_writel(host->nfc->hsmc_regs, CTRL, NFC_CTRL_DISABLE); @@ -1841,7 +1841,7 @@ static void nfc_nand_command(struct mtd_info *mtd, unsigned int command, int column, int page_addr) { struct nand_chip *chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(chip); unsigned long timeout; unsigned int nfc_addr_cmd = 0; @@ -1967,7 +1967,7 @@ static int nfc_sram_write_page(struct mtd_info *mtd, struct nand_chip *chip, { int cfg, len; int status = 0; - struct atmel_nand_host *host = chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(chip); void *sram = host->nfc->sram_bank0 + nfc_get_sram_off(host); /* Subpage write is not supported */ @@ -2028,7 +2028,7 @@ static int nfc_sram_write_page(struct mtd_info *mtd, struct nand_chip *chip, static int nfc_sram_init(struct mtd_info *mtd) { struct nand_chip *chip = mtd_to_nand(mtd); - struct atmel_nand_host *host = chip->priv; + struct atmel_nand_host *host = nand_get_controller_data(chip); int res = 0; /* Initialize the NFC CFG register */ @@ -2127,7 +2127,8 @@ static int atmel_nand_probe(struct platform_device *pdev) sizeof(struct atmel_nand_data)); } - nand_chip->priv = host; /* link the private data structures */ + /* link the private data structures */ + nand_set_controller_data(nand_chip, host); mtd->dev.parent = &pdev->dev; /* Set address of NAND IO lines */ |