Re: [PATCH 2/2] misc: Add initial Digital Timing Engine (DTE) driver for cygnus

From: Jonathan Richardson
Date: Thu May 21 2015 - 13:49:27 EST


On 15-05-20 11:33 PM, Richard Cochran wrote:
> On Wed, May 20, 2015 at 04:38:02PM -0700, Jonathan Richardson wrote:
>>
>> Richard, this design isn't going to work. We need to have both kernel
>> and user space consumers.
>
> But you did not implement even a single kernel consumer.
>
>> We don't want all GPIO's in a common timestamp
>> buffer either, as it presents problems I mentioned previously. Currently
>> the network input is a gpio.
>
> That won't work. Consider what happens when the MAC drops a packet.
>
>> After some discussion here I think we'll
>> have to keep this driver out of the kernel for now.
>
> Fine with me.

We'll keep this discussion and try to figure out the best interface
keeping in mind what you've said as we move further along with it. Not a
wasted discussion. Requirements of this need to be better defined and
thought out also.

Thanks,
Jon

>
> Thanks,
> Richard
>

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