Re: [PATCH v4 0/2] Add SDHCI_QUIRK2_SUPPRESS_V1P8_ENA

["Mendez, Judith" <jm@ti.com>]

Hi all,

On 4/24/2025 1:00 PM, Judith Mendez wrote:
> There are MMC boot failures seen with V1P8_SIGNAL_ENA on Kingston eMMC and
> Microcenter/Patriot SD cards on am62* Sitara K3 boards due to the HS200
> initialization sequence involving V1P8_SIGNAL_ENA. Since V1P8_SIGNAL_ENA
> is optional for eMMC and only affects timing for host controllers using
> ti,am62-sdhci compatible so far, add a new platform data structure for am62
> compatible and append the new SDHCI_QUIRK2_SUPPRESS_V1P8_ENA quirk.
> 
> This fix was previously merged in the kernel, but was reverted due
> to the "heuristics for enabling the quirk"[0]. This issue is adressed
> in this patch series by adding the quirk based on compatible string,
> ensuring the quirk is never applied to devices with internal LDOs, then
> V1P8_SIGNAL_ENA also has a voltage component tied to it.

Gentle ping on this, are there any comments or any issues with this
type of implementation?

Thanks,

~ Judith