These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / linux / mtd / nand.h

diff --git a/kernel/include/linux/mtd/nand.h b/kernel/include/linux/mtd/nand.h
index 12b75f3..5a9d1d4 100644 (file)
--- a/kernel/include/linux/mtd/nand.h
+++ b/kernel/include/linux/mtd/nand.h
@@ -26,6 +26,8 @@
 
 struct mtd_info;
 struct nand_flash_dev;
+struct device_node;
+
 /* Scan and identify a NAND device */
 extern int nand_scan(struct mtd_info *mtd, int max_chips);
 /*
@@ -502,16 +504,16 @@ struct nand_ecc_ctrl {
        int (*read_page_raw)(struct mtd_info *mtd, struct nand_chip *chip,
                        uint8_t *buf, int oob_required, int page);
        int (*write_page_raw)(struct mtd_info *mtd, struct nand_chip *chip,
-                       const uint8_t *buf, int oob_required);
+                       const uint8_t *buf, int oob_required, int page);
        int (*read_page)(struct mtd_info *mtd, struct nand_chip *chip,
                        uint8_t *buf, int oob_required, int page);
        int (*read_subpage)(struct mtd_info *mtd, struct nand_chip *chip,
                        uint32_t offs, uint32_t len, uint8_t *buf, int page);
        int (*write_subpage)(struct mtd_info *mtd, struct nand_chip *chip,
                        uint32_t offset, uint32_t data_len,
-                       const uint8_t *data_buf, int oob_required);
+                       const uint8_t *data_buf, int oob_required, int page);
        int (*write_page)(struct mtd_info *mtd, struct nand_chip *chip,
-                       const uint8_t *buf, int oob_required);
+                       const uint8_t *buf, int oob_required, int page);
        int (*write_oob_raw)(struct mtd_info *mtd, struct nand_chip *chip,
                        int page);
        int (*read_oob_raw)(struct mtd_info *mtd, struct nand_chip *chip,
@@ -542,6 +544,7 @@ struct nand_buffers {
  *                     flash device
  * @IO_ADDR_W:         [BOARDSPECIFIC] address to write the 8 I/O lines of the
  *                     flash device.
+ * @flash_node:                [BOARDSPECIFIC] device node describing this instance
  * @read_byte:         [REPLACEABLE] read one byte from the chip
  * @read_word:         [REPLACEABLE] read one word from the chip
  * @write_byte:                [REPLACEABLE] write a single byte to the chip on the
@@ -553,10 +556,6 @@ struct nand_buffers {
  * @block_markbad:     [REPLACEABLE] mark a block bad
  * @cmd_ctrl:          [BOARDSPECIFIC] hardwarespecific function for controlling
  *                     ALE/CLE/nCE. Also used to write command and address
- * @init_size:         [BOARDSPECIFIC] hardwarespecific function for setting
- *                     mtd->oobsize, mtd->writesize and so on.
- *                     @id_data contains the 8 bytes values of NAND_CMD_READID.
- *                     Return with the bus width.
  * @dev_ready:         [BOARDSPECIFIC] hardwarespecific function for accessing
  *                     device ready/busy line. If set to NULL no access to
  *                     ready/busy is available and the ready/busy information
@@ -644,6 +643,8 @@ struct nand_chip {
        void __iomem *IO_ADDR_R;
        void __iomem *IO_ADDR_W;
 
+       struct device_node *flash_node;
+
        uint8_t (*read_byte)(struct mtd_info *mtd);
        u16 (*read_word)(struct mtd_info *mtd);
        void (*write_byte)(struct mtd_info *mtd, uint8_t byte);
@@ -653,8 +654,6 @@ struct nand_chip {
        int (*block_bad)(struct mtd_info *mtd, loff_t ofs, int getchip);
        int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
        void (*cmd_ctrl)(struct mtd_info *mtd, int dat, unsigned int ctrl);
-       int (*init_size)(struct mtd_info *mtd, struct nand_chip *this,
-                       u8 *id_data);
        int (*dev_ready)(struct mtd_info *mtd);
        void (*cmdfunc)(struct mtd_info *mtd, unsigned command, int column,
                        int page_addr);
@@ -833,7 +832,6 @@ struct nand_manufacturers {
 extern struct nand_flash_dev nand_flash_ids[];
 extern struct nand_manufacturers nand_manuf_ids[];
 
-extern int nand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd);
 extern int nand_default_bbt(struct mtd_info *mtd);
 extern int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs);
 extern int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs);
@@ -1026,4 +1024,9 @@ struct nand_sdr_timings {
 
 /* get timing characteristics from ONFI timing mode. */
 const struct nand_sdr_timings *onfi_async_timing_mode_to_sdr_timings(int mode);
+
+int nand_check_erased_ecc_chunk(void *data, int datalen,
+                               void *ecc, int ecclen,
+                               void *extraoob, int extraooblen,
+                               int threshold);
 #endif /* __LINUX_MTD_NAND_H */