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The SDUC spec expects CMD22 to get squeezed between CMD23 and the read/write command, e.g. CMD23->CMD22->CMD18 and CMD23->CMD22->CMD25. At this early stage of adoption, we want to avoid an amid stream of fixes & quirks of bogus hw, that tends to apply extra logic specifically around auto-cmd12 & auto-cmd23. Let's leave close-ended out for now, and re-consider this should those cards become ubiquitous, if any. It also means that BLK_FEAT_FUA will not be used for I/O, but instead we will rely on BLK_FEAT_WRITE_CACHE. Reviewed-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Avri Altman <avri.altman@wdc.com> Link: https://lore.kernel.org/r/20241006051148.160278-4-avri.altman@wdc.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>