From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/3] mpc85xx: Add a board-specific restart hook
Date: Thu, 20 Oct 2011 17:30:41 +0200 [thread overview]
Message-ID: <20111020153041.25D2415794DB@gemini.denx.de> (raw)
In-Reply-To: <510974E8-A0C8-4E81-A034-B52F2AED12D0@boeing.com>
Dear "Moffett, Kyle D",
In message <510974E8-A0C8-4E81-A034-B52F2AED12D0@boeing.com> you wrote:
>
> > so why can't you have your do_reset() board hook negotiate with the other CPU
> > to reset the system ?
>
> That's what I originally implemented. The problem is the negotiation can take
> an unbounded amount of time to execute, so if it's run from the command line
> then it needs to be interruptible (EG: with Ctrl-C), which means it needs to
> be able to return an error.
Why would it need to be interruptable? When you type "reset", then
you are gone. You cannot interrupt that command any more.
If it takes a long time like in your case, so you might print a
message "Please stand by / have a cup of coffee while resetting" or
so...
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"I think they're going to take all this money that we spend now on
war and death --" "And make them spend it on life."
-- Edith Keeler and Kirk, "The City on the Edge of Forever",
stardate unknown.
next prev parent reply other threads:[~2011-10-20 15:30 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-18 23:41 [U-Boot] [PATCH 0/3] mpc85xx: HWW-1U-1A board support patches Kyle Moffett
2011-10-18 23:41 ` [U-Boot] [PATCH 1/3] mpc85xx: Add inline GPIO acessor functions Kyle Moffett
2011-10-19 3:19 ` Mike Frysinger
2011-10-19 13:51 ` Kumar Gala
2011-10-19 18:21 ` Moffett, Kyle D
2011-10-19 18:58 ` [U-Boot] [PATCH 2/3] " Kyle Moffett
2011-10-21 5:07 ` Kumar Gala
2011-10-18 23:41 ` [U-Boot] [PATCH 2/3] mpc85xx: Add a board-specific restart hook Kyle Moffett
2011-10-19 3:20 ` Mike Frysinger
2011-10-19 18:26 ` Moffett, Kyle D
2011-10-19 18:52 ` Mike Frysinger
2011-10-19 20:33 ` Wolfgang Denk
2011-10-19 20:35 ` Wolfgang Denk
2011-10-19 21:05 ` Moffett, Kyle D
2011-10-19 21:55 ` Mike Frysinger
2011-10-19 22:52 ` Moffett, Kyle D
2011-10-20 0:15 ` Mike Frysinger
2011-10-20 0:23 ` Moffett, Kyle D
2011-10-20 1:31 ` Mike Frysinger
2011-10-20 15:30 ` Wolfgang Denk [this message]
2011-10-20 14:02 ` Wolfgang Denk
2011-10-20 17:45 ` Moffett, Kyle D
2011-10-20 19:28 ` Wolfgang Denk
2011-10-18 23:41 ` [U-Boot] [PATCH 3/3] mpc85xx: Add board support for the eXMeritus HWW-1U-1A devices Kyle Moffett
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=20111020153041.25D2415794DB@gemini.denx.de \
--to=wd@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox