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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? > > It looks reasonable to me. Although, in general I think we are trying > to avoid adding new sdhci quirks, perhaps there are good reasons to do > it in this case. Yes, we want to avoid new quirks in sdhci.c. Judith, can you do it like in V3? i.e. in sdhci_am654.c with SDHCI_AM654_QUIRK_SUPPRESS_V1P8_ENA and sdhci_am654_start_signal_voltage_switch()