[patch 1/2] platform NAND driver: update header
Vitaly Wool
vitalywool at gmail.com
Sun May 6 10:46:57 EDT 2007
This patch extends nand.h in order to enable platform NAND driver.
include/linux/mtd/nand.h | 16 ++++++++++++++++
1 files changed, 16 insertions(+)
Signed-off-by: Vitaly Wool <vitalywool at gmail.com>
Index: linux-2.6/include/linux/mtd/nand.h
===================================================================
--- linux-2.6.orig/include/linux/mtd/nand.h
+++ 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)
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