Re: [EXT] Re: [PATCH 02/11] dts: mvebu: Update A8K AP806 SDHCI settings

[Russell King - ARM Linux admin]

On Wed, Feb 03, 2021 at 02:37:22PM +0000, Kostya Porotchkin wrote:
> Hi, Baruch,
> 
> > -----Original Message-----
> > From: Baruch Siach <baruch@xxxxxxxxxx>
> > Sent: Wednesday, February 3, 2021 15:59
> > To: Kostya Porotchkin <kostap@xxxxxxxxxxx>
> > Cc: linux-kernel@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> > andrew@xxxxxxx; jaz@xxxxxxxxxxxx; gregory.clement@xxxxxxxxxxx;
> > linux@xxxxxxxxxxxxxxx; Nadav Haklai <nadavh@xxxxxxxxxxx>;
> > robh+dt@xxxxxxxxxx; Stefan Chulski <stefanc@xxxxxxxxxxx>;
> > mw@xxxxxxxxxxxx; Ben Peled <bpeled@xxxxxxxxxxx>;
> > sebastian.hesselbarth@xxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> > Subject: [EXT] Re: [PATCH 02/11] dts: mvebu: Update A8K AP806 SDHCI
> > settings
> > 
> > External Email
> > 
> > ----------------------------------------------------------------------
> > Hi Konstantin,
> > 
> > On Wed, Feb 03 2021, kostap@xxxxxxxxxxx wrote:
> > > From: Konstantin Porotchkin <kostap@xxxxxxxxxxx>
> > >
> > > Update the settings for AP806 SDHCI interface according to latest
> > > Xenon drivers changes.
> > > - no need to select the PHY slow mode anymore
> > 
> > Why? Has anything changed since the introduction of marvell,xenon-phy-slow-
> > mode?
> [KP] AP806 B0, AP807 and later do not need the "slow mode" set by the default.
> The HWE-7296210 errata is not applicable to these components and they are able 
> to run  AP SDHCI in HS400 8-bit mode.

So what about all those people, such as me, who have A0 silicon on their
Macchiatobin boards?

You can't just go around removing DT properties like this.

-- 
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