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

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Message-ID: <65119d3a-6907-4911-ba19-e3bcdb65b529@ti.com>
Date: Mon, 14 Apr 2025 09:37:53 -0500
From: Judith Mendez <jm@...com>
To: Francesco Dolcini <francesco@...cini.it>
CC: 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

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 (;

~ Judith