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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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Andy Shevchenko 2016-08-29 12:33:40 +03:00 committed by Ulf Hansson
parent 2e57bbe22c
commit d55655773a
1 changed files with 5 additions and 0 deletions
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5
drivers/mmc/host/sdhci-pci-core.c
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@ -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;