[ACPI] pci_set_power_state() now calls
platform_pci_set_power_state() and ACPI can answer http://bugzilla.kernel.org/show_bug.cgi?id=4277 Signed-off-by: David Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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committed by
Len Brown

parent
0f64474b8f
commit
b913100d73
@@ -253,6 +253,24 @@ static int acpi_pci_choose_state(struct pci_dev *pdev, pm_message_t state)
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return -ENODEV;
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}
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static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
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{
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acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev);
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static int state_conv[] = {
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[0] = 0,
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[1] = 1,
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[2] = 2,
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[3] = 3,
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[4] = 3
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};
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int acpi_state = state_conv[(int __force) state];
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if (!handle)
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return -ENODEV;
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return acpi_bus_set_power(handle, acpi_state);
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}
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/* ACPI bus type */
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static int pci_acpi_find_device(struct device *dev, acpi_handle *handle)
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{
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@@ -300,6 +318,7 @@ static int __init pci_acpi_init(void)
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if (ret)
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return 0;
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platform_pci_choose_state = acpi_pci_choose_state;
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platform_pci_set_power_state = acpi_pci_set_power_state;
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return 0;
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}
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arch_initcall(pci_acpi_init);
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