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| author | Thomas Gleixner <tglx@linutronix.de> | 2005-05-19 17:10:26 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-05-23 13:20:45 +0200 |
| commit | 90e260c84f563a4ac6b47886e8188af06f4a4a46 (patch) | |
| tree | a487cfe4fb96fc09d0102689cd1f78ba9dee3e67 | |
| parent | a69dde91e8940b49bdc9920dd65ec02c6a51f85c (diff) | |
| download | op-kernel-dev-90e260c84f563a4ac6b47886e8188af06f4a4a46.zip op-kernel-dev-90e260c84f563a4ac6b47886e8188af06f4a4a46.tar.gz | |
[MTD] NAND: Honour autoplacement schemes supplied by the caller
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 10 | ||||
| -rw-r--r-- | include/mtd/mtd-abi.h | 3 |
2 files changed, 10 insertions, 3 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index c1a971c..f1db0bf 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -59,7 +59,7 @@ * The AG-AND chips have nice features for speed improvement, * which are not supported yet. Read / program 4 pages in one go. * - * $Id: nand_base.c,v 1.142 2005/04/11 14:16:07 lavinen Exp $ + * $Id: nand_base.c,v 1.143 2005/05/19 16:10:22 gleixner Exp $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -1195,7 +1195,8 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, } /* get oob area, if we have no oob buffer from fs-driver */ - if (!oob_buf || oobsel->useecc == MTD_NANDECC_AUTOPLACE) + if (!oob_buf || oobsel->useecc == MTD_NANDECC_AUTOPLACE || + oobsel->useecc == MTD_NANDECC_AUTOPL_USR) oob_data = &this->data_buf[end]; eccsteps = this->eccsteps; @@ -1284,6 +1285,7 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, /* without autoplace. Legacy mode used by YAFFS1 */ switch(oobsel->useecc) { case MTD_NANDECC_AUTOPLACE: + case MTD_NANDECC_AUTOPL_USR: /* Walk through the autoplace chunks */ for (i = 0; oobsel->oobfree[i][1]; i++) { int from = oobsel->oobfree[i][0]; @@ -1645,6 +1647,8 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len, oobsel = this->autooob; autoplace = 1; } + if (oobsel->useecc == MTD_NANDECC_AUTOPL_USR) + autoplace = 1; /* Setup variables and oob buffer */ totalpages = len >> this->page_shift; @@ -1919,6 +1923,8 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig oobsel = this->autooob; autoplace = 1; } + if (oobsel->useecc == MTD_NANDECC_AUTOPL_USR) + autoplace = 1; /* Setup start page */ page = (int) (to >> this->page_shift); diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h index cacb984..428d912 100644 --- a/include/mtd/mtd-abi.h +++ b/include/mtd/mtd-abi.h @@ -1,5 +1,5 @@ /* - * $Id: mtd-abi.h,v 1.10 2005/02/09 09:17:42 pavlov Exp $ + * $Id: mtd-abi.h,v 1.11 2005/05/19 16:08:58 gleixner Exp $ * * Portions of MTD ABI definition which are shared by kernel and user space */ @@ -61,6 +61,7 @@ struct mtd_oob_buf { #define MTD_NANDECC_PLACE 1 // Use the given placement in the structure (YAFFS1 legacy mode) #define MTD_NANDECC_AUTOPLACE 2 // Use the default placement scheme #define MTD_NANDECC_PLACEONLY 3 // Use the given placement in the structure (Do not store ecc result on read) +#define MTD_NANDECC_AUTOPL_USR 4 // Use the given autoplacement scheme rather than using the default /* OTP mode selection */ #define MTD_OTP_OFF 0 |
