All of lore.kernel.org
 help / color / mirror / Atom feed
From: Daniel Drake <drake@endlessm.com>
To: Kamil Debski <k.debski@samsung.com>
Cc: linux-kernel@vger.kernel.org,
	linux-samsung-soc <linux-samsung-soc@vger.kernel.org>,
	linux-usb@vger.kernel.org, kishon@ti.com,
	Tomasz Figa <t.figa@samsung.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	gautam.vivek@samsung.com
Subject: Re: [PATCH] phy: phy-samsung-usb2: Change phy power on/power off sequence
Date: Wed, 25 Jun 2014 08:53:54 +0100	[thread overview]
Message-ID: <CAD8Lp4468eAGGCi1v17X00342D5aqXHqwE1TY4aLu40DvO_MAg@mail.gmail.com> (raw)
In-Reply-To: <074a01cf8fc1$e906f0c0$bb14d240$%debski@samsung.com>

On Tue, Jun 24, 2014 at 4:35 PM, Kamil Debski <k.debski@samsung.com> wrote:
> By reboot I guess that you mean typing "reboot" or by using SysRq magic
> and not power cycling?
>
> If so, I had experienced the same symptoms. I guess that the Ethernet
> chip is not reset properly and fails to enumerate without power cycling
> (it's nRESET pin is connected to P3V3).
>
> I found that removing regulator-always-on from buck8_reg: BUCK8 in the
> dts file fixes this problem.

Yes, that fixes the problem. Thanks!

Tested-by: Daniel Drake <drake@endlessm.com>

  parent reply	other threads:[~2014-06-25  7:54 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-24 12:54 [PATCH] phy: phy-samsung-usb2: Change phy power on/power off sequence Kamil Debski
2014-06-24 15:09 ` Daniel Drake
2014-06-24 15:35   ` Kamil Debski
2014-06-25  5:42     ` Marek Szyprowski
2014-06-25  7:53     ` Daniel Drake [this message]
2014-07-01  9:59 ` Kishon Vijay Abraham I
2014-07-01  9:59   ` Kishon Vijay Abraham I

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=CAD8Lp4468eAGGCi1v17X00342D5aqXHqwE1TY4aLu40DvO_MAg@mail.gmail.com \
    --to=drake@endlessm.com \
    --cc=gautam.vivek@samsung.com \
    --cc=k.debski@samsung.com \
    --cc=kishon@ti.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-samsung-soc@vger.kernel.org \
    --cc=linux-usb@vger.kernel.org \
    --cc=m.szyprowski@samsung.com \
    --cc=t.figa@samsung.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 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.