From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3] dfu: Introduction of the "dfu_hash_algo" env variable for checksum method setting
Date: Thu, 8 May 2014 15:07:16 +0200 [thread overview]
Message-ID: <201405081507.16595.marex@denx.de> (raw)
In-Reply-To: <1399552067-31208-1-git-send-email-l.majewski@samsung.com>
On Thursday, May 08, 2014 at 02:27:47 PM, Lukasz Majewski wrote:
> Up till now the CRC32 of received data was calculated unconditionally.
> The standard crc32 implementation causes long delay when large images
> were uploaded.
>
> The "dfu_hash_algo" environment variable gives the opportunity to
> enable on demand (when e.g. debugging) the hash (crc32) calculation.
> It can be done without need to recompile the u-boot binary and reuses
> the generic hash framework.
>
> By default the crc32 is NOT calculated anymore.
>
> Tests results:
> 400 MiB ums.img file
> With crc32 calculation: 65 sec [avg 6.29 MB/s]
> Without crc32 calculation: 25 sec [avg 16.17 MB/s]
>
> Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
> Cc: Marek Vasut <marex@denx.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Best regards,
Marek Vasut
next prev parent reply other threads:[~2014-05-08 13:07 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-31 8:48 [U-Boot] [PATCH 0/3] dfu: Several enhancements for dfu subsystem Lukasz Majewski
2014-03-31 8:48 ` [U-Boot] [PATCH 1/3] dfu: mmc: Provide support for eMMC boot partition access Lukasz Majewski
2014-03-31 8:59 ` Marek Vasut
2014-03-31 9:14 ` Lukasz Majewski
2014-05-09 14:58 ` [U-Boot] [PATCH v2] " Lukasz Majewski
2014-05-14 22:24 ` Marek Vasut
2014-03-31 8:48 ` [U-Boot] [PATCH 2/3] dfu: add static alt num count in dfu_config_entities() Lukasz Majewski
2014-03-31 9:01 ` Marek Vasut
2014-03-31 9:15 ` Lukasz Majewski
2014-04-01 6:47 ` Przemyslaw Marczak
2014-04-01 6:49 ` Marek Vasut
2014-04-01 7:45 ` Lukasz Majewski
2014-03-31 8:48 ` [U-Boot] [PATCH 3/3] dfu: Introduction of the "dfu_checksum_method" env variable for checksum method setting Lukasz Majewski
2014-03-31 9:04 ` Marek Vasut
2014-03-31 9:24 ` Lukasz Majewski
2014-03-31 9:29 ` Marek Vasut
2014-03-31 9:49 ` Lukasz Majewski
2014-03-31 11:19 ` Pantelis Antoniou
2014-03-31 12:04 ` Lukasz Majewski
2014-03-31 12:10 ` Pantelis Antoniou
2014-03-31 12:16 ` Pantelis Antoniou
2014-03-31 18:05 ` Tom Rini
2014-03-31 18:15 ` Marek Vasut
2014-03-31 18:26 ` Tom Rini
2014-03-31 20:44 ` Lukasz Majewski
2014-03-31 21:04 ` Tom Rini
2014-04-01 9:05 ` Lukasz Majewski
2014-03-31 21:44 ` Tormod Volden
2014-04-01 9:00 ` Lukasz Majewski
2014-04-01 9:15 ` Stefan Schmidt
2014-04-01 11:31 ` Lukasz Majewski
2014-05-05 13:16 ` [U-Boot] [PATCH v2] " Lukasz Majewski
2014-05-05 17:47 ` Marek Vasut
2014-05-08 12:27 ` [U-Boot] [PATCH v3] dfu: Introduction of the "dfu_hash_algo" " Lukasz Majewski
2014-05-08 13:07 ` Marek Vasut [this message]
2014-05-09 4:27 ` Wolfgang Denk
2014-05-09 6:52 ` Lukasz Majewski
2014-05-09 8:31 ` Wolfgang Denk
2014-05-09 9:54 ` Lukasz Majewski
2014-05-12 14:45 ` Tom Rini
2014-05-15 7:09 ` Lukasz Majewski
2014-05-15 9:27 ` Heiko Schocher
2014-05-15 11:19 ` Wolfgang Denk
2014-05-15 13:43 ` Lukasz Majewski
2014-05-15 14:07 ` Wolfgang Denk
2014-05-16 6:08 ` Lukasz Majewski
2014-05-16 8:58 ` Lukasz Majewski
2014-05-19 14:02 ` Heiko Schocher
2014-05-20 17:22 ` Lukasz Majewski
2014-05-22 9:46 ` Lukasz Majewski
2014-05-12 8:43 ` [U-Boot] [PATCH v4] " Lukasz Majewski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=201405081507.16595.marex@denx.de \
--to=marex@denx.de \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.