tree a487cfe4fb96fc09d0102689cd1f78ba9dee3e67
parent a69dde91e8940b49bdc9920dd65ec02c6a51f85c
author Thomas Gleixner <[EMAIL PROTECTED]> Thu, 19 May 2005 17:10:26 +0100
committer Thomas Gleixner <[EMAIL PROTECTED]> Mon, 23 May 2005 13:20:45 +0200
[MTD] NAND: Honour autoplacement schemes supplied by the caller
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
drivers/mtd/nand/nand_base.c | 10 ++++++++--
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
--- 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 *m
}
/* 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 *m
/* 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_in
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_i
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
--- 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
-
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