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If card power is dependent on SD bus power then the host controller must not be runtime suspended while the card is powered up. Add the ability to stay runtime-resumed in that case and enable it with a new quirk SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>