Fix up a power state in case PCI device has an ACPI companion.
Do it only for Intel Merrifield for now.
This is almost copy'n'paste of part of sdhci_acpi_probe() and might be
split out to a helper function in the future.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/mmc/host/sdhci-pci-core.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index e1721ac37919..2c853cfa8389 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -730,6 +730,24 @@ static const struct sdhci_pci_fixes sdhci_intel_byt_sd = {
#define INTEL_MRFLD_SD 2
#define INTEL_MRFLD_SDIO 3
+#ifdef CONFIG_ACPI
+static void intel_mrfld_mmc_fix_up_power_slot(struct sdhci_pci_slot *slot)
+{
+ struct acpi_device *device, *child;
+
+ device = ACPI_COMPANION(&slot->chip->pdev->dev);
+ if (!device)
+ return;
+
+ acpi_device_fix_up_power(device);
+ list_for_each_entry(child, &device->children, node)
+ if (child->status.present && child->status.enabled)
+ acpi_device_fix_up_power(child);
+}
+#else
+static inline void intel_mrfld_mmc_fix_up_power_slot(struct sdhci_pci_slot *slot) {}
+#endif
+
static int intel_mrfld_mmc_probe_slot(struct sdhci_pci_slot *slot)
{
unsigned int func = PCI_FUNC(slot->chip->pdev->devfn);
@@ -751,6 +769,8 @@ static int intel_mrfld_mmc_probe_slot(struct sdhci_pci_slot *slot)
default:
return -ENODEV;
}
+
+ intel_mrfld_mmc_fix_up_power_slot(slot);
return 0;
}
--
2.13.2
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