From a6c9aa1f92dd16a0ec6faeff37069db61d3f7cf3 Mon Sep 17 00:00:00 2001
From: Ben Gardiner <bengardiner@nanometrics.ca>
Date: Tue, 24 May 2011 10:18:35 -0400
Subject: [PATCH] nand_util: convert nand_write_skip_bad() to flags
In a future commit the behaviour of nand_write_skip_bad()
will be further extended.
Convert the only flag currently passed to the nand_write_
skip_bad() function to a bitfield of only one allocated
member. This should avoid an explosion of int's at the
end of the parameter list or the ambiguous calls like
nand_write_skip_bad(info, offset, len, buf, 0, 1, 1);
nand_write_skip_bad(info, offset, len, buf, 0, 1, 0);
Instead there will be:
nand_write_skip_bad(info, offset, len, buf, WITH_YAFFS_OOB |
WITH_OTHER);
Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
Acked-by: Detlev Zundel <dzu@denx.de>
Signed-off-by: Scott Wood <scottwood@freescale.com>
---
common/cmd_nand.c | 3 ++-
drivers/mtd/nand/nand_util.c | 8 ++++----
include/nand.h | 5 ++++-
3 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index 44c4d1f89c..27a88796ee 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -581,7 +581,8 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
printf("Unknown nand command suffix '%s'.\n", s);
return 1;
}
- ret = nand_write_skip_bad(nand, off, &rwsize, (u_char *)addr, 1);
+ ret = nand_write_skip_bad(nand, off, &rwsize,
+ (u_char *)addr, WITH_YAFFS_OOB);
#endif
} else if (!strcmp(s, ".oob")) {
/* out-of-band data */
diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/nand_util.c
index 5a6f7aec88..762ac53287 100644
--- a/drivers/mtd/nand/nand_util.c
+++ b/drivers/mtd/nand/nand_util.c
@@ -448,11 +448,11 @@ static int check_skip_len(nand_info_t *nand, loff_t offset, size_t length)
* @param offset offset in flash
* @param length buffer length
* @param buffer buffer to read from
- * @param withoob whether write with yaffs format
+ * @param flags flags modifying the behaviour of the write to NAND
* @return 0 in case of success
*/
int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
- u_char *buffer, int withoob)
+ u_char *buffer, int flags)
{
int rval = 0, blocksize;
size_t left_to_write = *length;
@@ -460,7 +460,7 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
int need_skip;
#ifdef CONFIG_CMD_NAND_YAFFS
- if (withoob) {
+ if (flags & WITH_YAFFS_OOB) {
int pages;
pages = nand->erasesize / nand->writesize;
blocksize = (pages * nand->oobsize) + nand->erasesize;
@@ -529,7 +529,7 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
write_size = blocksize - block_offset;
#ifdef CONFIG_CMD_NAND_YAFFS
- if (withoob) {
+ if (flags & WITH_YAFFS_OOB) {
int page, pages;
size_t pagesize = nand->writesize;
size_t pagesize_oob = pagesize + nand->oobsize;
diff --git a/include/nand.h b/include/nand.h
index 7459bd0330..b0a31b8f02 100644
--- a/include/nand.h
+++ b/include/nand.h
@@ -114,8 +114,11 @@ typedef struct nand_erase_options nand_erase_options_t;
int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
u_char *buffer);
+
+#define WITH_YAFFS_OOB (1 << 0) /* whether write with yaffs format */
+
int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
- u_char *buffer, int withoob);
+ u_char *buffer, int flags);
int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
#define NAND_LOCK_STATUS_TIGHT 0x01
--
2.39.5