From: Brian Norris <computersforpeace@gmail.com>
To: Daniel Ehrenberg <dehrenberg@google.com>
Cc: Steve deRosier <derosier@gmail.com>,
"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>
Subject: Re: WP# line on flash chip?
Date: Thu, 8 Jan 2015 11:29:28 -0800 [thread overview]
Message-ID: <20150108192928.GU9759@ld-irv-0074> (raw)
In-Reply-To: <CAAK6Zt3kirnghmg2ghP+U1hru-Muim90=yYDGmY+YSincmEKAQ@mail.gmail.com>
On Thu, Jan 08, 2015 at 11:00:03AM -0800, Daniel Ehrenberg wrote:
> In fact, the kernel
> can't drive it appropriately because the important time to hold it low
> is before the kernel is up (or actually it can go low sooner than
> that),
That's not true. It's also helpful to have it low during a power cut
scenario, which theoretically can occur at any time.
> and by the time the kernel is up, it's fine to have it high all
> the time.
As Steve quoted Micron, it's good to keep WP asserted when you're not
writing to the flash.
Brian
next prev parent reply other threads:[~2015-01-08 19:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-08 17:59 WP# line on flash chip? Steve deRosier
2015-01-08 19:00 ` Daniel Ehrenberg
2015-01-08 19:29 ` Brian Norris [this message]
2015-01-12 21:50 ` Brian Norris
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=20150108192928.GU9759@ld-irv-0074 \
--to=computersforpeace@gmail.com \
--cc=dehrenberg@google.com \
--cc=derosier@gmail.com \
--cc=linux-mtd@lists.infradead.org \
/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