mtd: brcmnand: drop unused subpage_read() support

AFAIR this driver was never tested with subpage read support, and this
code is currently unused because we don't set the NAND_SUBPAGE_READ
flag. It can be resurrected if someone tests it properly.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Tested-by: Ray Jui <rjui@broadcom.com>

diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
index 0f43bc95ece410b01856c4ae19c7b5eec845cf91..626a80eb76a1d153cfb3d1b9b1997cc7fb101fd4 100644 (file)
--- a/drivers/mtd/nand/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/brcmnand/brcmnand.c
@@ -1551,16 +1551,6 @@ static int brcmnand_read_oob_raw(struct mtd_info *mtd, struct nand_chip *chip,
        return 0;
 }
 
-static int brcmnand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
-                                uint32_t data_offs, uint32_t readlen,
-                                uint8_t *bufpoi, int page)
-{
-       struct brcmnand_host *host = chip->priv;
-
-       return brcmnand_read(mtd, chip, host->last_addr + data_offs,
-                       readlen >> FC_SHIFT, (u32 *)bufpoi, NULL);
-}
-
 static int brcmnand_write(struct mtd_info *mtd, struct nand_chip *chip,
                          u64 addr, const u32 *buf, u8 *oob)
 {
@@ -1949,7 +1939,6 @@ static int brcmnand_init_cs(struct brcmnand_host *host)
 
        chip->ecc.mode = NAND_ECC_HW;
        chip->ecc.read_page = brcmnand_read_page;
-       chip->ecc.read_subpage = brcmnand_read_subpage;
        chip->ecc.write_page = brcmnand_write_page;
        chip->ecc.read_page_raw = brcmnand_read_page_raw;
        chip->ecc.write_page_raw = brcmnand_write_page_raw;