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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-10-30 06:12:50 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-10-30 06:12:50 +0100
commitfe0f59c41255d339f4f059be62c350c3c48a3f95 (patch)
treefde2381bf94a14ea1553f88f9e9e37b45ed280dc /drivers/pci/pci.h
parentcpufreq: intel_pstate: Always set max P-state in performance mode (diff)
parentDocumentation: intel_pstate: PID tuning is not always available (diff)
downloadlinux-fe0f59c41255d339f4f059be62c350c3c48a3f95.tar.xz
linux-fe0f59c41255d339f4f059be62c350c3c48a3f95.zip
Merge back earlier cpufreq material for v4.10.
Diffstat (limited to 'drivers/pci/pci.h')
-rw-r--r--drivers/pci/pci.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 9730c474b016..451856210e18 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -42,6 +42,8 @@ int pci_probe_reset_function(struct pci_dev *dev);
*
* @set_state: invokes the platform firmware to set the device's power state
*
+ * @get_state: queries the platform firmware for a device's current power state
+ *
* @choose_state: returns PCI power state of given device preferred by the
* platform; to be used during system-wide transitions from a
* sleeping state to the working state and vice versa
@@ -62,6 +64,7 @@ int pci_probe_reset_function(struct pci_dev *dev);
struct pci_platform_pm_ops {
bool (*is_manageable)(struct pci_dev *dev);
int (*set_state)(struct pci_dev *dev, pci_power_t state);
+ pci_power_t (*get_state)(struct pci_dev *dev);
pci_power_t (*choose_state)(struct pci_dev *dev);
int (*sleep_wake)(struct pci_dev *dev, bool enable);
int (*run_wake)(struct pci_dev *dev, bool enable);
@@ -332,6 +335,12 @@ static inline resource_size_t pci_resource_alignment(struct pci_dev *dev,
void pci_enable_acs(struct pci_dev *dev);
+#ifdef CONFIG_PCIE_PTM
+void pci_ptm_init(struct pci_dev *dev);
+#else
+static inline void pci_ptm_init(struct pci_dev *dev) { }
+#endif
+
struct pci_dev_reset_methods {
u16 vendor;
u16 device;