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SubjectRe: [EXT] Re: [PATCH 02/11] dts: mvebu: Update A8K AP806 SDHCI settings
On Wed, Feb 03, 2021 at 02:37:22PM +0000, Kostya Porotchkin wrote:
> Hi, Baruch,
>
> > -----Original Message-----
> > From: Baruch Siach <baruch@tkos.co.il>
> > Sent: Wednesday, February 3, 2021 15:59
> > To: Kostya Porotchkin <kostap@marvell.com>
> > Cc: linux-kernel@vger.kernel.org; devicetree@vger.kernel.org;
> > andrew@lunn.ch; jaz@semihalf.com; gregory.clement@bootlin.com;
> > linux@armlinux.org.uk; Nadav Haklai <nadavh@marvell.com>;
> > robh+dt@kernel.org; Stefan Chulski <stefanc@marvell.com>;
> > mw@semihalf.com; Ben Peled <bpeled@marvell.com>;
> > sebastian.hesselbarth@gmail.com; linux-arm-kernel@lists.infradead.org
> > Subject: [EXT] Re: [PATCH 02/11] dts: mvebu: Update A8K AP806 SDHCI
> > settings
> >
> > External Email
> >
> > ----------------------------------------------------------------------
> > Hi Konstantin,
> >
> > On Wed, Feb 03 2021, kostap@marvell.com wrote:
> > > From: Konstantin Porotchkin <kostap@marvell.com>
> > >
> > > 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.

--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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