Commit 8fdd077f authored by Oleg Dzhimiev's avatar Oleg Dzhimiev
Browse files

updated comments

parent c426463d

src/drivers/mtd/nand/raw/nandchip-micron.c

+19 −4
Original line number Original line Diff line number Diff line
@@ -69,9 +69,17 @@ static int mt29f_read_user_prot_reg(struct mtd_info *mtd, loff_t from, 
	ops.len = len;

	ops.len = len;

	ops.datbuf = buf;

	ops.datbuf = buf;

	ops.oobbuf = NULL;

	ops.oobbuf = NULL;

	// old, triggers chip->ecc.read_page() which enables/disables ondie ECC at each call



	/* OLD: will trigger chip->ecc.read_page

	 *      depending on the implementation it might not work.

	 *      E.g., the default hook function in nand_micron.c will set/reset

	 *      ondie ecc feature for each nand_do_read call,

	 *      see, micron_nand_read_page_on_die_ecc()

	 *      So, setting the mode to raw is a safer bet.

	 */

	//ops.mode = 0;

	//ops.mode = 0;

	// new, triggers chip->ecc.read_page_raw()



	// NEW: will trigger chip->ecc.read_page_raw

	ops.mode = MTD_OPS_RAW;

	ops.mode = MTD_OPS_RAW;





	/*

	/*
@@ -120,9 +128,16 @@ static int mt29f_write_user_prot_reg(struct mtd_info *mtd, loff_t to, 
	ops.datbuf = buf;

	ops.datbuf = buf;

	ops.oobbuf = NULL;

	ops.oobbuf = NULL;





	// old

	/* OLD: will trigger chip->ecc.write_page

	 *      depending on the implementation it might not work.

	 *      E.g., the default hook function in nand_micron.c will set/reset

	 *      ondie ecc feature for each nand_do_write call,

	 *      see, micron_nand_write_page_on_die_ecc()

	 *      So, setting the mode to raw is a safer bet.

	 */

	//ops.mode = 0;

	//ops.mode = 0;

	// need raw mode



	// NEW: will trigger chip->ecc.write_page_raw

	ops.mode = MTD_OPS_RAW;

	ops.mode = MTD_OPS_RAW;





	/*

	/*