Messages in this thread Patch in this message | | | Subject | [PATCH 5/9] NAND: export nand_do_read_oob and nand_do_write_oob | From | Maxim Levitsky <> | Date | Wed, 06 Jan 2010 23:49:23 +0200 |
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>From 42a44a48f270f45e44595b6f3906df4a6cf28ba5 Mon Sep 17 00:00:00 2001 From: Maxim Levitsky <maximlevitsky@gmail.com> Date: Tue, 5 Jan 2010 23:25:20 +0200 Subject: [PATCH 5/9] NAND: export nand_do_read_oob and nand_do_write_oob
Drivers might need sane way to read/write oob area, but can't use mtd interface due to locking
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> --- drivers/mtd/nand/nand_base.c | 10 +++++----- include/linux/mtd/nand.h | 7 +++++++ 2 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 2957cc7..787e751 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -99,9 +99,6 @@ static struct nand_ecclayout nand_oob_128 = { static int nand_get_device(struct nand_chip *chip, struct mtd_info *mtd, int new_state); -static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, - struct mtd_oob_ops *ops); - /* * For devices which display every fart in the system on a separate LED. Is * compiled away when LED support is disabled. @@ -1458,7 +1455,7 @@ static int nand_write_oob_syndrome(struct mtd_info *mtd, * * NAND read out-of-band data from the spare area */ -static int nand_do_read_oob(struct mtd_info *mtd, loff_t from, +int nand_do_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops) { int page, realpage, chipnr, sndcmd = 1; @@ -1993,7 +1990,7 @@ static int nand_write(struct mtd_info *mtd, loff_t to, size_t len, * * NAND write out-of-band */ -static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, +int nand_do_write_oob(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops) { int chipnr, page, status, len; @@ -2962,6 +2959,9 @@ EXPORT_SYMBOL_GPL(nand_scan); EXPORT_SYMBOL_GPL(nand_scan_ident); EXPORT_SYMBOL_GPL(nand_scan_tail); EXPORT_SYMBOL_GPL(nand_release); +EXPORT_SYMBOL_GPL(nand_do_read_oob); +EXPORT_SYMBOL_GPL(nand_do_write_oob); + static int __init nand_base_init(void) { diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 7a232a9..7c3ff57 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -548,6 +548,13 @@ extern int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr, extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len, size_t * retlen, uint8_t * buf); +extern int nand_do_read_oob(struct mtd_info *mtd, loff_t from, + struct mtd_oob_ops *ops); + +extern int nand_do_write_oob(struct mtd_info *mtd, loff_t to, + struct mtd_oob_ops *ops); + + /* * Constants for oob configuration */ -- 1.6.3.3
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