[MTD] [NAND] platform NAND driver: update header
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>
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@ -560,6 +560,7 @@ extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len,
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* @chip_delay: R/B delay value in us
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* @options: Option flags, e.g. 16bit buswidth
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* @ecclayout: ecc layout info structure
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* @part_probe_types: NULL-terminated array of probe types
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* @priv: hardware controller specific settings
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*/
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struct platform_nand_chip {
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@ -570,6 +571,7 @@ struct platform_nand_chip {
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struct nand_ecclayout *ecclayout;
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int chip_delay;
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unsigned int options;
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const char **part_probe_types;
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void *priv;
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};
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@ -578,6 +580,8 @@ struct platform_nand_chip {
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* @hwcontrol: platform specific hardware control structure
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* @dev_ready: platform specific function to read ready/busy pin
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* @select_chip: platform specific chip select function
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* @cmd_ctrl: platform specific function for controlling
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* ALE/CLE/nCE. Also used to write command and address
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* @priv: private data to transport driver specific settings
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*
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* All fields are optional and depend on the hardware driver requirements
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@ -586,9 +590,21 @@ struct platform_nand_ctrl {
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void (*hwcontrol)(struct mtd_info *mtd, int cmd);
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int (*dev_ready)(struct mtd_info *mtd);
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void (*select_chip)(struct mtd_info *mtd, int chip);
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void (*cmd_ctrl)(struct mtd_info *mtd, int dat,
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unsigned int ctrl);
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void *priv;
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};
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/**
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* struct platform_nand_data - container structure for platform-specific data
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* @chip: chip level chip structure
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* @ctrl: controller level device structure
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*/
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struct platform_nand_data {
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struct platform_nand_chip chip;
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struct platform_nand_ctrl ctrl;
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};
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/* Some helpers to access the data structures */
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static inline
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struct platform_nand_chip *get_platform_nandchip(struct mtd_info *mtd)
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