From: Sascha Hauer <s.hauer@pengutronix.de>
To: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: barebox@lists.infradead.org, Chris Healy <cphealy@gmail.com>
Subject: Re: [PATCH v3] net: dsa: mv88e6xxx: Wait for EEPROM done after HW reset
Date: Wed, 25 Sep 2019 11:56:07 +0200 [thread overview]
Message-ID: <20190925095607.ezgsbrtf7heds2un@pengutronix.de> (raw)
In-Reply-To: <20190925014313.26876-1-andrew.smirnov@gmail.com>
On Tue, Sep 24, 2019 at 06:43:13PM -0700, Andrey Smirnov wrote:
> Based on a unpublished patch from Andrew Lunn:
>
> When the switch is hardware reset, it reads the contents of the
> EEPROM. This can contain instructions for programming values into
> registers and to perform waits between such programming. Reading
> the EEPROM can take longer than the 100ms
> mv88e6xxx_hardware_reset() waits after deasserting the reset
> GPIO. So poll the EEPROM done bit to ensure it is complete.
>
> Signed-off-by: Andrew Lunn <andrew@lunn.ch>
>
> orignal patch augmented to have necessary Global 1 plubming, ported to
> Barebox and slightly changed.
>
> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> Cc: Chris Healy <cphealy@gmail.com>
> Cc: Lucas Stach <l.stach@pengutronix.de>
> ---
Applied, thanks
Sascha
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
prev parent reply other threads:[~2019-09-25 9:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-25 1:43 Andrey Smirnov
2019-09-25 9:56 ` Sascha Hauer [this message]
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=20190925095607.ezgsbrtf7heds2un@pengutronix.de \
--to=s.hauer@pengutronix.de \
--cc=andrew.smirnov@gmail.com \
--cc=barebox@lists.infradead.org \
--cc=cphealy@gmail.com \
/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