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platform NAND driver: update header

PATCH New Vitaly Wool 1 participant 1 message May 6, 2007

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PATCH 1/2 platform NAND driver: update header

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

include/linux/mtd/nand.h | 16 ++++++++++++++++

1 files changed, 16 insertions(+)
include/linux/mtd/nand.h +1 -0
Index: linux-2.6/include/linux/mtd/nand.h
===================================================================
@@ -560,6 +560,7 @@ extern int nand_do_read(struct mtd_info 
 * @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)