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SubjectRe: [PATCH v2 3/3] ARM: orion5x: Add D-Link DNS-323 based on Device Tree
On Friday 23 September 2022 14:12:24 Andrew Lunn wrote:
> > > > + if (of_machine_is_compatible("dlink,dns323a1")) {
> > > > + writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */
> > >
> > > I spotted this in dns323-setup.c as well. Do you have any idea what it
> > > does?
> > >
> >
> > No idea. I have tried to replicate what was in dns323-setup.c as exactly as
> > possible.
> > I can try to leave it out and see if anything changes.
>
> It is best to keep what we don't understand. It will be there for a
> reason.
>
> Andrew

Hello! I tried to index all publicly available Marvell SoC
documentations into kernel documentation subfolder:
https://docs.kernel.org/arm/marvell.html

For Orion there is linked Datasheet and User Manual, so you could try to
find in those documents that mentioned register and check what it is
doing.

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