netdev - Re: [PATCH resend] Renesas Ethernet AVB driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <552DB851.8050800@renesas.com>
Date:	Wed, 15 Apr 2015 10:01:05 +0900
From:	<masaru.nagai.vx@...esas.com>
To:	<richardcochran@...il.com>, <sergei.shtylyov@...entembedded.com>
CC:	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <devicetree@...r.kernel.org>,
	<galak@...eaurora.org>, <netdev@...r.kernel.org>,
	<linux-sh@...r.kernel.org>, <mitsuhiro.kimura.kc@...esas.com>
Subject: Re: [PATCH resend] Renesas Ethernet AVB driver

On 2015年04月15日 03:30, Richard Cochran wrote:
> On Tue, Apr 14, 2015 at 07:58:18PM +0300, Sergei Shtylyov wrote:
>>
>>     I tried to explain to you that I can't. We enter the device
>> configuration mode (from the operation mode) when e.g. the
>> *Ethernet* device is closed.
>
> Is this a hardware restriction?

Yes

> Logically speaking, the clock has nothing to do with the state of the
> Ethernet interface.  If the clock keeps ticking and you can access
> it, then there is no reason to return EBUSY just because the interface
> is down.

Oddly, This hardware is linked operation mode of the Ethernet I/F with PTP clock.

Best Regards,
Masaru Nagai
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html