linux-kernel - Re: [PATCH 0/2] Fix V1P8_SIGNAL_ENA and HIGH_SPEED

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Message-ID: <20250414145712.GA59296@francesco-nb>
Date: Mon, 14 Apr 2025 16:57:12 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: Judith Mendez <jm@...com>
Cc: Francesco Dolcini <francesco@...cini.it>,
	Hiago De Franco <hiagofranco@...il.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Josua Mayer <josua@...id-run.com>,
	Ulf Hansson <ulf.hansson@...aro.org>, linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org, Moteen Shah <m-shah@...com>,
	Hiago De Franco <hiago.franco@...adex.com>
Subject: Re: [PATCH 0/2] Fix V1P8_SIGNAL_ENA and HIGH_SPEED_ENA

On Mon, Apr 14, 2025 at 09:37:53AM -0500, Judith Mendez wrote:
> Hi Francesco,
> 
> On 4/14/25 1:51 AM, Francesco Dolcini wrote:
> > Hello Judith
> > 
> > On Fri, Apr 11, 2025 at 04:55:39PM -0500, Judith Mendez wrote:
> > > My understanding was that we do not like adding new DT properties if
> > > we can find a way to apply the quirk in the driver.
> > ...
> > 
> > > If this implementation flies with the maintainers, then we can go back to DT
> > > property implementation.
> > 
> > Not sure if this is clear, but this patch is NOT working according to
> > our tests, we would need to fix it in a different way.
> 
> Not sure if you are following the thread with Hiago, but we are fixing
> it a different way; add a new DT property: "ti,suppress-v1p8-ena" for SD
> card which allows us to have granular control on when v1p8 is suppressed
> for MMC1.
> 
> With this method, we make sure the quirk is never applied to your board (;

My board needs the quirk ;-)
It was not clear to me that this change was going to be added to this
patch, because without it's not working.

Thanks for the clarification.

Francesco