From 068d7560c79f79674faf0267a319e4dc9b9bce8f Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 29 Oct 2020 12:30:50 +0100 Subject: mtd: nand: drop unused errstat hook chip->errstat is never set by any driver, so remove it. Signed-off-by: Sascha Hauer --- drivers/mtd/nand/nand_base.c | 15 --------------- include/linux/mtd/nand.h | 5 ----- 2 files changed, 20 deletions(-) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 999d56c5bd..064b36201e 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2289,13 +2289,6 @@ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip, chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1); status = chip->waitfunc(mtd, chip); - /* - * See if operation failed and additional status checks are - * available. - */ - if ((status & NAND_STATUS_FAIL) && (chip->errstat)) - status = chip->errstat(mtd, chip, FL_WRITING, status, - page); if (status & NAND_STATUS_FAIL) return -EIO; @@ -2750,14 +2743,6 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr, status = chip->waitfunc(mtd, chip); - /* - * See if operation failed and additional status checks are - * available - */ - if ((status & NAND_STATUS_FAIL) && (chip->errstat)) - status = chip->errstat(mtd, chip, FL_ERASING, - status, page); - /* See if block erase succeeded */ if (status & NAND_STATUS_FAIL) { pr_debug("%s: failed erase, page 0x%08x\n", diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index c4bdddc61e..a8a22210ca 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -466,9 +466,6 @@ struct nand_buffers { * structure which is shared among multiple independent * devices. * @priv: [OPTIONAL] pointer to private chip data - * @errstat: [OPTIONAL] hardware specific function to perform - * additional error status checks (determine if errors are - * correctable). * @write_page: [REPLACEABLE] High-level page write function */ @@ -491,8 +488,6 @@ struct nand_chip { int page_addr); int(*waitfunc)(struct mtd_info *mtd, struct nand_chip *this); int (*scan_bbt)(struct mtd_info *mtd); - int (*errstat)(struct mtd_info *mtd, struct nand_chip *this, int state, - int status, int page); int (*write_page)(struct mtd_info *mtd, struct nand_chip *chip, uint32_t offset, int data_len, const uint8_t *buf, int oob_required, int page, int cached, int raw); -- cgit v1.2.3