mmc: sdhci-pci: add SDHCI_QUIRK2_HOST_OFF_CARD_ON for Medfield SDIO

SDIO is powered separately from the host controller, so the card can
remain on while the host controller is powered off during suspend.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 9952535671f2..3cb9abf67d82 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -47,6 +47,7 @@ struct sdhci_pci_slot;
 
 struct sdhci_pci_fixes {
         unsigned int            quirks;
+        unsigned int            quirks2;
         bool                    allow_runtime_pm;
 
         int                     (*probe) (struct sdhci_pci_chip *);
@@ -73,6 +74,7 @@ struct sdhci_pci_chip {
         struct pci_dev          *pdev;
 
         unsigned int            quirks;
+        unsigned int            quirks2;
         bool                    allow_runtime_pm;
         const struct sdhci_pci_fixes *fixes;
 
@@ -272,6 +274,7 @@ static const struct sdhci_pci_fixes sdhci_intel_mfd_sd = {
 
 static const struct sdhci_pci_fixes sdhci_intel_mfd_sdio = {
         .quirks         = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
+        .quirks2        = SDHCI_QUIRK2_HOST_OFF_CARD_ON,
         .allow_runtime_pm = true,
         .probe_slot     = mfd_sdio_probe_slot,
 };
@@ -1207,6 +1210,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
         host->hw_name = "PCI";
         host->ops = &sdhci_pci_ops;
         host->quirks = chip->quirks;
+        host->quirks2 = chip->quirks2;
 
         host->irq = pdev->irq;
 
@@ -1366,6 +1370,7 @@ static int __devinit sdhci_pci_probe(struct pci_dev *pdev,
         chip->fixes = (const struct sdhci_pci_fixes *)ent->driver_data;
         if (chip->fixes) {
                 chip->quirks = chip->fixes->quirks;
+                chip->quirks2 = chip->fixes->quirks2;
                 chip->allow_runtime_pm = chip->fixes->allow_runtime_pm;
         }
         chip->num_slots = slots;