stable.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Felipe Balbi <felipe.balbi@linux.intel.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: "mathias.nyman\@intel.com" <mathias.nyman@intel.com>,
	"gregkh\@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"linux-usb\@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"linux-renesas-soc\@vger.kernel.org"
	<linux-renesas-soc@vger.kernel.org>,
	"stable\@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset()
Date: Thu, 21 Apr 2016 16:59:00 +0300	[thread overview]
Message-ID: <871t5z9i6z.fsf@intel.com> (raw)
In-Reply-To: <CAMuHMdUDTaMyx1Rjtc-z-MsbEmqpRuZNAvQC3sH-JykneJd2Hg@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 1009 bytes --]


Hi,

Geert Uytterhoeven <geert@linux-m68k.org> writes:
> On Thu, Apr 21, 2016 at 12:27 PM, Yoshihiro Shimoda
> <yoshihiro.shimoda.uh@renesas.com> wrote:
>>> > [    1.565605] xhci-hcd ee000000.usb: xHCI Host Controller
>>> > [    1.570636] xhci-hcd ee000000.usb: new USB bus registered, assigned bus number 5
>>> > [   22.270160] xhci-hcd ee000000.usb: can't setup: -110
>>> > [   22.274931] xhci-hcd ee000000.usb: USB bus 5 deregistered
>>> > [   22.280158] xhci-hcd: probe of ee000000.usb failed with error -110
>>> >
>>> > The timestamp is strange to me. But, logs of R-Car H3 (ES1.0) and
>>> > R-Car H2 were the same.
>>>
>>> yeah, seems like your system timer is counting twice for each tick.
>>
>> Yes, I will investigate this later.
>
> The main clock crystal on Salvator-X is half of the expected value. But
> despite the correct value being in the DTS, there's some timer code that
> doesn't take this into account.

cool, thanks for the note. One problem down.

-- 
balbi

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 818 bytes --]

  reply	other threads:[~2016-04-21 14:01 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-21  9:49 [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset() Yoshihiro Shimoda
2016-04-21 10:04 ` Felipe Balbi
2016-04-21 10:14   ` Yoshihiro Shimoda
2016-04-21 10:19     ` Felipe Balbi
2016-04-21 10:27       ` Yoshihiro Shimoda
2016-04-21 12:57         ` Geert Uytterhoeven
2016-04-21 13:59           ` Felipe Balbi [this message]
2016-04-25 14:57           ` Geert Uytterhoeven
2016-04-26 10:13             ` Yoshihiro Shimoda
2016-04-22  6:26         ` Yoshihiro Shimoda
2016-04-22  7:08           ` Felipe Balbi

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=871t5z9i6z.fsf@intel.com \
    --to=felipe.balbi@linux.intel.com \
    --cc=geert@linux-m68k.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=linux-renesas-soc@vger.kernel.org \
    --cc=linux-usb@vger.kernel.org \
    --cc=mathias.nyman@intel.com \
    --cc=stable@vger.kernel.org \
    --cc=yoshihiro.shimoda.uh@renesas.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;
as well as URLs for NNTP newsgroup(s).