On Tue, Aug 20, 2019 at 03:09:15PM +0100, John Garry wrote:
> On 19/08/2019 05:39, Vignesh Raghavendra wrote:
> > On 16/08/19 3:50 PM, John Garry wrote:

> > > About the child spi flash devices, is the recommendation to just use
> > > PRP0001 HID and "jedec,spi-nor" compatible?

> > I am not quite familiar with ACPI systems, but child flash device should
> > use "jedec,spi-nor" as compatible.

> Right, so to use SPI MEM framework, it looks like I will have to use PRP0001
> and "jedec,spi-nor" as compatible.

> My reluctance in using PRP0001 and compatible "jedec,spi-nor" is how other
> OS can understand this.

Last I heard Windows wasn't doing anything with PRP0001 but on the other
hand the idiomatic way to handle this for ACPI is as far as I can tell
to have what is essentially a board file loaded based on DMI information
without any real enumerability so there's no real conflict between the
two methods.