diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2017-07-24 18:07:50 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-08-30 14:01:39 +0200 |
| commit | 0e39220ed6bedc251763d256651c7cd0a8927300 (patch) | |
| tree | 4aead8bfc9d295808e2bf029399fc8ce2745b79f /drivers/mmc/host/sdhci-pci-core.c | |
| parent | cd25c7be3cc6f5f349e57a0bd0fd056e7f3f8dbe (diff) | |
sdhci: pci: Fix up power if device has ACPI companion
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@linux.intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-pci-core.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-pci-core.c | 20 |
1 files changed, 20 insertions, 0 deletions
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; } |