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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
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