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Commit d5565577 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Ulf Hansson
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sdhci-pci: enable SDIO interface on Intel Merrifield 



Intel Merrifield is known to have an SDIO interface and on Intel Edison board a
WiFi card is wired to it.

Enable the interface here to allow WiFi card enumeration.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 2e57bbe2

drivers/mmc/host/sdhci-pci-core.c

+5 −0
Original line number Diff line number Diff line
@@ -419,6 +419,7 @@ static const struct sdhci_pci_fixes sdhci_intel_byt_sd = { 
/* Define Host controllers for Intel Merrifield platform */

#define INTEL_MRFLD_EMMC_0	0

#define INTEL_MRFLD_EMMC_1	1

#define INTEL_MRFLD_SDIO	3



static int intel_mrfld_mmc_probe_slot(struct sdhci_pci_slot *slot)

{
@@ -431,6 +432,10 @@ static int intel_mrfld_mmc_probe_slot(struct sdhci_pci_slot *slot) 
					 MMC_CAP_8_BIT_DATA |

					 MMC_CAP_1_8V_DDR;

		break;

	case INTEL_MRFLD_SDIO:

		slot->host->mmc->caps |= MMC_CAP_NONREMOVABLE |

					 MMC_CAP_POWER_OFF_CARD;

		break;

	default:

		/* SD support is not ready yet */

		return -ENODEV;