Currently, the nand_util.c does not manipulate NAND flash page by page.
It's the nand_base.c provides that level of NAND control.
Implementing this properly requires changes to the existing structure.
Also, adding "+length" syntax means command interface change as well.
Since it's not to the
Derek Ou wrote:
> This routine is copied from nand_write_opts() at nand_util.c of v1.3.4.
v1.3.4 had its own buffer; it did not use the caller's.
> It maybe better
> to pad data length and data buffer in do_nand() at cmd_nand.c.
Or pass a flag to nand_write_skip_bad().
But I
> don't see re
This routine is copied from nand_write_opts() at nand_util.c of v1.3.4.
It maybe better
to pad data length and data buffer in do_nand() at cmd_nand.c. But I
don't see real
difference. I didn't allocate a new buffer since the data length is
defined in the command
arguments and I have no knowle
Dear Derek Ou,
In message <499b03fd.7050...@siconix.com> you wrote:
>
> Until v1.3.4, "nand write.jffs2" supports non page-aligned data write and
> pad data automatically to page alignment. As a result, we can use the
> following scripts to automate downloading a file and writing it to flash.
> "
On Tue, Feb 17, 2009 at 10:15:07AM -0700, Derek Ou wrote:
> + /* Reject writes when offset is not page aligned */
> + if ((offset & (nand->writesize - 1)) != 0 ) {
No space before ')'. Better yet, just get rid of the != 0 part.
> + /* now, pad data with 0xff */
> + if (page_offse
Derek Ou wrote:
> Sorry that my patch went out twice. I ran into smtp authentication issue
> with git-send-email. Also, what is the right way to add more comments
> to a patch? Should I edit the patch generated by git-format-patch or I
> should just add commit title, blank line and the full comm
Sorry that my patch went out twice. I ran into smtp authentication issue
with git-send-email. Also, what is the right way to add more comments
to a patch? Should I edit the patch generated by git-format-patch or I
should just add commit title, blank line and the full commit message when
I git co
On Tuesday 17 February 2009 12:15:06 Derek Ou wrote:
> Signed-off-by: Derek Ou
could you document what this is actually for ?
-mike
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Signed-off-by: Derek Ou
---
drivers/mtd/nand/nand_util.c | 25 ++---
1 files changed, 18 insertions(+), 7 deletions(-)
diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/nand_util.c
index 6ba52b3..b9d292a 100644
--- a/drivers/mtd/nand/nand_util.c
+++ b/drivers/mtd
Signed-off-by: Derek Ou
---
drivers/mtd/nand/nand_util.c | 25 ++---
1 files changed, 18 insertions(+), 7 deletions(-)
diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/nand_util.c
index 6ba52b3..b9d292a 100644
--- a/drivers/mtd/nand/nand_util.c
+++ b/drivers/mtd
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