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Commit f3c55a7b authored by Adrian Hunter's avatar Adrian Hunter Committed by Chris Ball
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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: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 6308d290

drivers/mmc/host/sdhci-pci.c

+5 −0
Original line number Diff line number Diff line
@@ -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;