SDIO is powered separated 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.hun...@intel.com>
---
drivers/mmc/host/sdhci-pci.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 9952535..3cb9abf 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;
--
1.7.6.4
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