From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?utf-8?Q?Beno=C3=AEt_Th=C3=A9baudeau?= <benoit.thebaudeau@advansee.com>
Date: Mon, 3 Sep 2012 16:17:09 +0200 (CEST)
Subject: [U-Boot] [PATCH v2 8/8] FAT: Make it possible to read from any
 file position
In-Reply-To: <20120902152809.6A1DD203B2F@gemini.denx.de>
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To: u-boot@lists.denx.de

Dear Wolfgang Denk,

On Sunday, September 2, 2012 5:28:09 PM, Wolfgang Denk wrote:
> Dear Beno?t Th?baudeau,
> 
> In message
> <1285759492.332736.1342790529256.JavaMail.root@advansee.com> you
> wrote:
> > When storage devices contain files larger than the embedded RAM, it
> > is usef> ul to
> > be able to read these files by chunks, e.g. for a software update
> > to the
> > embedded NAND Flash from an external storage device (USB stick, SD
> > card, et> c.).
> >
> > Hence, this patch makes it possible by adding a new FAT API to read
> > files f> rom a
> > given position.
> >
> > Signed-off-by: Beno?t Th?baudeau <benoit.thebaudeau@advansee.com>
> > Cc: Wolfgang Denk <wd@denx.de>
> > ---
> > Changes for v2:
> >  - Patch renumbering because of the new v2 1/8.
> >  - Possible code style changes due to the new v2 1/8.
> >  - Add missing vairable renaming to fat_write.c.
> >
> >  .../fs/fat/fat.c                                   |   88
> >  ++++++++++++++++> ----
> >  .../fs/fat/fat_write.c                             |   18 ++--
> >  2 files changed, 80 insertions(+), 26 deletions(-)
> 
> I don't see any command line interface to actually use this code.
> 
> How would I put this to use?

Here is the current "fatload" command line interface:
fatload <interface> <dev[:part]>  <addr> <filename> [bytes]

Do you prefer to change it to:
fatload <interface> <dev[:part]>  <addr> <filename> [offset] [bytes]

or to have a new dedicated command, or something else?

Best regards,
Beno?t