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mtd: rawnand: Keep all internal stuff private

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A lot of things defined in rawnand.h should not be exposed to NAND
controller drivers and should only be shared by core files.

Create the drivers/mtd/nand/raw/internals.h header to store such
definitions, and move all private defs to this header.

Also remove EXPORT_SYMBOLS() on functions that are not supposed to be
exposed.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Boris Brezillon
2018-09-07 00:38:48 +02:00
committed by Miquel Raynal
parent 462f35d3e5
commit 348d56a8c6
12 changed files with 123 additions and 117 deletions
Download Patch File Download Diff File Expand all files Collapse all files

96
include/linux/mtd/rawnand.h
View File

@@ -775,24 +775,6 @@ nand_get_sdr_timings(const struct nand_data_interface *conf)
return &conf->timings.sdr;
}
/**
* struct nand_manufacturer_ops - NAND Manufacturer operations
* @detect: detect the NAND memory organization and capabilities
* @init: initialize all vendor specific fields (like the ->read_retry()
* implementation) if any.
* @cleanup: the ->init() function may have allocated resources, ->cleanup()
* is here to let vendor specific code release those resources.
* @fixup_onfi_param_page: apply vendor specific fixups to the ONFI parameter
* page. This is called after the checksum is verified.
*/
struct nand_manufacturer_ops {
void (*detect)(struct nand_chip *chip);
int (*init)(struct nand_chip *chip);
void (*cleanup)(struct nand_chip *chip);
void (*fixup_onfi_param_page)(struct nand_chip *chip,
struct nand_onfi_params *p);
};
/**
* struct nand_op_cmd_instr - Definition of a command instruction
* @opcode: the command to issue in one cycle
@@ -1403,27 +1385,6 @@ static inline void *nand_get_manufacturer_data(struct nand_chip *chip)
return chip->manufacturer.priv;
}
/*
* NAND Flash Manufacturer ID Codes
*/
#define NAND_MFR_TOSHIBA 0x98
#define NAND_MFR_ESMT 0xc8
#define NAND_MFR_SAMSUNG 0xec
#define NAND_MFR_FUJITSU 0x04
#define NAND_MFR_NATIONAL 0x8f
#define NAND_MFR_RENESAS 0x07
#define NAND_MFR_STMICRO 0x20
#define NAND_MFR_HYNIX 0xad
#define NAND_MFR_MICRON 0x2c
#define NAND_MFR_AMD 0x01
#define NAND_MFR_MACRONIX 0xc2
#define NAND_MFR_EON 0x92
#define NAND_MFR_SANDISK 0x45
#define NAND_MFR_INTEL 0x89
#define NAND_MFR_ATO 0x9b
#define NAND_MFR_WINBOND 0xef
/*
* A helper for defining older NAND chips where the second ID byte fully
* defined the chip, including the geometry (chip size, eraseblock size, page
@@ -1503,46 +1464,7 @@ struct nand_flash_dev {
int onfi_timing_mode_default;
};
/**
* struct nand_manufacturer - NAND Flash Manufacturer structure
* @name: Manufacturer name
* @id: manufacturer ID code of device.
* @ops: manufacturer operations
*/
struct nand_manufacturer {
int id;
char *name;
const struct nand_manufacturer_ops *ops;
};
const struct nand_manufacturer *nand_get_manufacturer(u8 id);
static inline const char *
nand_manufacturer_name(const struct nand_manufacturer *manufacturer)
{
return manufacturer ? manufacturer->name : "Unknown";
}
extern struct nand_flash_dev nand_flash_ids[];
extern const struct nand_manufacturer_ops toshiba_nand_manuf_ops;
extern const struct nand_manufacturer_ops samsung_nand_manuf_ops;
extern const struct nand_manufacturer_ops hynix_nand_manuf_ops;
extern const struct nand_manufacturer_ops micron_nand_manuf_ops;
extern const struct nand_manufacturer_ops amd_nand_manuf_ops;
extern const struct nand_manufacturer_ops macronix_nand_manuf_ops;
int nand_create_bbt(struct nand_chip *chip);
int nand_markbad_bbt(struct nand_chip *chip, loff_t offs);
int nand_markbad_bbm(struct nand_chip *chip, loff_t ofs);
int nand_isreserved_bbt(struct nand_chip *chip, loff_t offs);
int nand_isbad_bbt(struct nand_chip *chip, loff_t offs, int allowbbt);
int nand_erase_nand(struct nand_chip *chip, struct erase_info *instr,
int allowbbt);
int onfi_fill_data_interface(struct nand_chip *chip,
enum nand_data_interface_type type,
int timing_mode);
/*
* Check if it is a SLC nand.
@@ -1574,7 +1496,6 @@ static inline int nand_opcode_8bits(unsigned int command)
return 0;
}
int nand_check_erased_ecc_chunk(void *data, int datalen,
void *ecc, int ecclen,
void *extraoob, int extraooblen,
@@ -1586,18 +1507,9 @@ int nand_ecc_choose_conf(struct nand_chip *chip,
/* Default write_oob implementation */
int nand_write_oob_std(struct nand_chip *chip, int page);
/* Default write_oob syndrome implementation */
int nand_write_oob_syndrome(struct nand_chip *chip, int page);
/* Default read_oob implementation */
int nand_read_oob_std(struct nand_chip *chip, int page);
/* Default read_oob syndrome implementation */
int nand_read_oob_syndrome(struct nand_chip *chip, int page);
/* Wrapper to use in order for controllers/vendors to GET/SET FEATURES */
int nand_get_features(struct nand_chip *chip, int addr, u8 *subfeature_param);
int nand_set_features(struct nand_chip *chip, int addr, u8 *subfeature_param);
/* Stub used by drivers that do not support GET/SET FEATURES operations */
int nand_get_set_features_notsupp(struct nand_chip *chip, int addr,
u8 *subfeature_param);
@@ -1605,14 +1517,10 @@ int nand_get_set_features_notsupp(struct nand_chip *chip, int addr,
/* Default read_page_raw implementation */
int nand_read_page_raw(struct nand_chip *chip, uint8_t *buf, int oob_required,
int page);
int nand_read_page_raw_notsupp(struct nand_chip *chip, u8 *buf,
int oob_required, int page);
/* Default write_page_raw implementation */
int nand_write_page_raw(struct nand_chip *chip, const uint8_t *buf,
int oob_required, int page);
int nand_write_page_raw_notsupp(struct nand_chip *chip, const u8 *buf,
int oob_required, int page);
/* Reset and initialize a NAND device */
int nand_reset(struct nand_chip *chip, int chipnr);
@@ -1622,7 +1530,6 @@ int nand_reset_op(struct nand_chip *chip);
int nand_readid_op(struct nand_chip *chip, u8 addr, void *buf,
unsigned int len);
int nand_status_op(struct nand_chip *chip, u8 *status);
int nand_exit_status_op(struct nand_chip *chip);
int nand_erase_op(struct nand_chip *chip, unsigned int eraseblock);
int nand_read_page_op(struct nand_chip *chip, unsigned int page,
unsigned int offset_in_page, void *buf, unsigned int len);
@@ -1666,9 +1573,6 @@ void nand_cleanup(struct nand_chip *chip);
/* Unregister the MTD device and calls nand_cleanup() */
void nand_release(struct nand_chip *chip);
/* Default extended ID decoding function */
void nand_decode_ext_id(struct nand_chip *chip);
/*
* External helper for controller drivers that have to implement the WAITRDY
* instruction and have no physical pin to check it.