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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>
This commit is contained in:
Adrian Hunter 2012-02-07 14:48:55 +02:00 committed by Chris Ball
parent 6308d2905b
commit f3c55a7b5d
1 changed files with 5 additions and 0 deletions
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5
drivers/mmc/host/sdhci-pci.c
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@ -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;