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mmc: sdio: bind acpi with sdio function device

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ACPI spec 5 defined the _ADR encoding for sdio bus as:
High word - slot number (0 based)
Low word  - function number

This patch adds support for binding sdio function device with acpi node,
and if successful, involve acpi into its power management.

Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Aaron Lu
2013-03-05 11:24:52 +08:00
committed by Chris Ball
parent 94144a465d
commit eed222aca8
3 changed files with 22 additions and 1 deletions
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1
drivers/mmc/host/sdhci-pci.c
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@@ -1279,6 +1279,7 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot(
}
host->mmc->pm_caps = MMC_PM_KEEP_POWER | MMC_PM_WAKE_SDIO_IRQ;
host->mmc->slotno = slotno;
ret = sdhci_add_host(host);
if (ret)