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From:   Felipe Balbi <felipe.balbi@linux.intel.com>
To:     Richard Cochran <richardcochran@gmail.com>
Cc:     netdev@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        "H . Peter Anvin" <hpa@zytor.com>, x86@kernel.org,
        linux-kernel@vger.kernel.org,
        "Christopher S . Hall" <christopher.s.hall@intel.com>
Subject: Re: [RFC PATCH 0/5] PTP: add support for Intel's TGPIO controller
In-Reply-To: <20190717173915.GE1464@localhost>
References: <20190716072038.8408-1-felipe.balbi@linux.intel.com> <20190716164123.GB2125@localhost> <87ef2p2lvc.fsf@linux.intel.com> <20190717173915.GE1464@localhost>
Date:   Thu, 18 Jul 2019 11:58:09 +0300
Message-ID: <87imrziuse.fsf@linux.intel.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Hi,

Richard Cochran <richardcochran@gmail.com> writes:

> On Wed, Jul 17, 2019 at 09:52:55AM +0300, Felipe Balbi wrote:
>> 
>> It's just a pin, like a GPIO. So it would be a PCB trace, flat flex,
>> copper wire... Anything, really.
>
> Cool.  Are there any Intel CPUs available that have this feature?

At least canon lake has it, but its BIOS doesn't enable it. This is
something that will be more important on future CPUs.

-- 
balbi