mtd: brcmnand: drop unused subpage_read() support

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=064f462632c2294f9b7fb51a7697392fedeea12e
Commit:     064f462632c2294f9b7fb51a7697392fedeea12e
Parent:     d618baf94c62eb63b5b7f6159fb6aee5550a2e10
Author:     Brian Norris <computersforpeace at gmail.com>
AuthorDate: Mon Nov 16 17:04:08 2015 -0800
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Wed Nov 18 14:28:56 2015 -0800

    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 at gmail.com>
    Tested-by: Ray Jui <rjui at broadcom.com>
---
 drivers/mtd/nand/brcmnand/brcmnand.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
index 0f43bc9..626a80e 100644
--- 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;