Re: [RFC PATCH v2 0/1] FPGA subsystem core

From: Michal Simek
Date: Sat Oct 05 2013 - 02:50:01 EST


On 10/05/2013 01:50 AM, H. Peter Anvin wrote:
> On 10/04/2013 04:33 PM, Greg Kroah-Hartman wrote:
>>
>> Ideally I thought this would be just like "firmware", you dump the file
>> to the FPGA, it validates it and away you go with a new image running in
>> the chip.
>>
>> But, it sounds like this is much more complicated, so much so that
>> configfs might be the correct interface for it, as you can do lots of
>> things there, and it is very flexible (some say too flexible...)
>>
>> A char device, with a zillion different custom ioctls is also a way to
>> do it, but one that I really want to avoid as that gets messy really
>> quickly.
>>
>
> I'm not sure that a zillion custom ioctls are necessary, but I think we
> really need to get a better understanding of the various usage cases
> (and there are going to be ones where an "FPGA driver" simply makes no
> sense at all.)

Isn't this a reason to add this to staging area a see where this can go?

Thanks,
Michal

--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform


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