Re: [PATCH v13 1/9] LIB: Introduce a generic PIO mapping method

[John Garry]

On 13/02/2018 23:05, dann frazier wrote:
> >  	bool
> > >
> > > +config INDIRECT_PIO
> > > +	bool "Access I/O in non-MMIO mode"
> > > +	depends on ARM64
> > > +	help
> > > +	  On some platforms where no separate I/O space exists, there are I/O
> > > +	  hosts which can not be accessed in MMIO mode. Using the logical PIO
> > > +	  mechanism, the host-local I/O resource can be mapped into system
> > > +	  logic PIO space shared with MMIO hosts, such as PCI/PCIE, then the
> > > +	  system can access the I/O devices with the mapped logic PIO through
> > > +	  I/O accessors.
> > > +	  This way has a relatively little I/O performance cost. Please make
> grammar nit - s/a relatively/relatively/

Fine, thanks

John

>   -dann
>
> > > +	  sure your devices really need this configure item enabled.
> > > +