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[MTD] [NAND] platform NAND driver: update header

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This patch extends nand.h in order to enable platform NAND driver.

Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Vitaly Wool 2007-05-06 18:46:57 +04:00 committed by David Woodhouse
parent 1c97964520
commit 972edcb79e
1 changed files with 16 additions and 0 deletions
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16
include/linux/mtd/nand.h
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@ -560,6 +560,7 @@ extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len,
* @chip_delay: R/B delay value in us
* @options: Option flags, e.g. 16bit buswidth
* @ecclayout: ecc layout info structure
* @part_probe_types: NULL-terminated array of probe types
* @priv: hardware controller specific settings
*/
struct platform_nand_chip {
@ -570,6 +571,7 @@ struct platform_nand_chip {
struct nand_ecclayout *ecclayout;
int chip_delay;
unsigned int options;
const char **part_probe_types;
void *priv;
};
@ -578,6 +580,8 @@ struct platform_nand_chip {
* @hwcontrol: platform specific hardware control structure
* @dev_ready: platform specific function to read ready/busy pin
* @select_chip: platform specific chip select function
* @cmd_ctrl: platform specific function for controlling
* ALE/CLE/nCE. Also used to write command and address
* @priv: private data to transport driver specific settings
*
* All fields are optional and depend on the hardware driver requirements
@ -586,9 +590,21 @@ struct platform_nand_ctrl {
void (*hwcontrol)(struct mtd_info *mtd, int cmd);
int (*dev_ready)(struct mtd_info *mtd);
void (*select_chip)(struct mtd_info *mtd, int chip);
void (*cmd_ctrl)(struct mtd_info *mtd, int dat,
unsigned int ctrl);
void *priv;
};
/**
* struct platform_nand_data - container structure for platform-specific data
* @chip: chip level chip structure
* @ctrl: controller level device structure
*/
struct platform_nand_data {
struct platform_nand_chip chip;
struct platform_nand_ctrl ctrl;
};
/* Some helpers to access the data structures */
static inline
struct platform_nand_chip *get_platform_nandchip(struct mtd_info *mtd)