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Add a new struct for platform data for the ti,am62-sdhci compatible to apply additional quirks, namely "SDHCI_QUIRK2_SUPPRESS_V1P8_ENA", to host controllers with am62 compatible. Note, the fix was originally introduced by commit941a7abd46("mmc: sdhci_am654: Add sdhci_am654_start_signal_voltage_switch") but was found to be applied too broadly and had to be reverted. This fixes MMC init failures seen across am62x boards. Fixes:ac5a41b472("Revert "mmc: sdhci_am654: Add sdhci_am654_start_signal_voltage_switch"") Fixes:941a7abd46("mmc: sdhci_am654: Add sdhci_am654_start_signal_voltage_switch") Cc: stable@vger.kernel.org Suggested-by: Nishanth Menon <nm@ti.com> Signed-off-by: Judith Mendez <jm@ti.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/20250516203121.3736379-1-jm@ti.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>