Messages in this thread | | | Date | Fri, 11 Jul 2014 14:06:29 +0200 | Subject | Re: [PATCH v2 1/2] gpio: Add driver for Zynq GPIO controller | From | Linus Walleij <> |
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On Fri, Jul 11, 2014 at 8:28 AM, Baruch Siach <baruch@tkos.co.il> wrote: > On Tue, Jul 08, 2014 at 11:27:57AM +0200, Linus Walleij wrote:
>> What is the usecase here? > > During boot I need to know, for example, when an FPGA is ready to be > programmed, and when said FPGA has finished its initialization. I also read > the sate of on-board DIP switches to determine the desired boot method. I find > the current sysfs interface quite convenient for these and similar tasks.
So given that an FPGA is a piece of hardware, it should have its firmware loaded from the kernel and a kernel driver communicating with it I guess?
I feel the smell of a huge bundle of userspace drivers for something that should be handled by the kernel.
Yours, Linus Walleij
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