Re: [PATCH v8 2/4] fpga manager: add sysfs interface document

[Pavel Machek]

On Fri 2015-01-09 13:14:24, atull wrote:
> On Wed, 7 Jan 2015, Pavel Machek wrote:
> 
> > On Tue 2015-01-06 14:13:37, atull@xxxxxxxxxxxxxxxxxxxxx wrote:
> > > +
> > > +What:		/sys/class/fpga_manager/<fpga>/firmware
> > > +Date:		October 2014
> > > +KernelVersion:	3.18
> > > +Contact:	Alan Tull <atull@xxxxxxxxxxxxxxxxxxxxx>
> > > +Description:	Name of the FPGA image file to load using firmware
> > > class.
> > 
> > This one is ugly: it unneccessarily passes firmware name through the
> > kernel. Just make interface and code simpler by always passing
> > "socfpga-fpga-image" or something like that.
> > 
> > Thanks,
> > 									Pavel
> 
> Hi Pavel,
> 
> It might be ugly.  It's not unnecessary.  Some uses of FPGAs involve
> switching out the FPGA images dynamically under control of the userspace.

Then configure udev to load right firmware for you, or ln -s
image-i-want-now socfpga-fpga-image to select the one to read...?

									Pavel
-- 
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