Merging upstream version 6.9.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 48 insertions, 7 deletions

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index bfc56f7bee..17fed18468 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -31,9 +31,6 @@ bool pcie_cap_has_rtctl(const struct pci_dev *dev);
 
 /* Functions internal to the PCI core code */
 
-int pci_create_sysfs_dev_files(struct pci_dev *pdev);
-void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
-void pci_cleanup_rom(struct pci_dev *dev);
 #ifdef CONFIG_DMI
 extern const struct attribute_group pci_dev_smbios_attr_group;
 #endif
@@ -97,7 +94,6 @@ void pci_msi_init(struct pci_dev *dev);
 void pci_msix_init(struct pci_dev *dev);
 bool pci_bridge_d3_possible(struct pci_dev *dev);
 void pci_bridge_d3_update(struct pci_dev *dev);
-void pci_bridge_reconfigure_ltr(struct pci_dev *dev);
 int pci_bridge_wait_for_secondary_bus(struct pci_dev *dev, char *reset_type);
 
 static inline void pci_wakeup_event(struct pci_dev *dev)
@@ -152,7 +148,7 @@ static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
 /* Functions for PCI Hotplug drivers to use */
 int pci_hp_add_bridge(struct pci_dev *dev);
 
-#ifdef HAVE_PCI_LEGACY
+#if defined(CONFIG_SYSFS) && defined(HAVE_PCI_LEGACY)
 void pci_create_legacy_files(struct pci_bus *bus);
 void pci_remove_legacy_files(struct pci_bus *bus);
 #else
@@ -185,10 +181,22 @@ static inline int pci_no_d1d2(struct pci_dev *dev)
 	return (dev->no_d1d2 || parent_dstates);
 
 }
+
+#ifdef CONFIG_SYSFS
+int pci_create_sysfs_dev_files(struct pci_dev *pdev);
+void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
 extern const struct attribute_group *pci_dev_groups[];
+extern const struct attribute_group *pci_dev_attr_groups[];
 extern const struct attribute_group *pcibus_groups[];
-extern const struct device_type pci_dev_type;
 extern const struct attribute_group *pci_bus_groups[];
+#else
+static inline int pci_create_sysfs_dev_files(struct pci_dev *pdev) { return 0; }
+static inline void pci_remove_sysfs_dev_files(struct pci_dev *pdev) { }
+#define pci_dev_groups NULL
+#define pci_dev_attr_groups NULL
+#define pcibus_groups NULL
+#define pci_bus_groups NULL
+#endif
 
 extern unsigned long pci_hotplug_io_size;
 extern unsigned long pci_hotplug_mmio_size;
@@ -404,7 +412,7 @@ struct aer_err_info {
 
 	unsigned int status;		/* COR/UNCOR Error Status */
 	unsigned int mask;		/* COR/UNCOR Error Mask */
-	struct aer_header_log_regs tlp;	/* TLP Header */
+	struct pcie_tlp_log tlp;	/* TLP Header */
 };
 
 int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info);
@@ -563,16 +571,28 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev,
 
 bool pcie_wait_for_link(struct pci_dev *pdev, bool active);
 int pcie_retrain_link(struct pci_dev *pdev, bool use_lt);
+
+/* ASPM-related functionality we need even without CONFIG_PCIEASPM */
+void pci_save_ltr_state(struct pci_dev *dev);
+void pci_restore_ltr_state(struct pci_dev *dev);
+void pci_configure_aspm_l1ss(struct pci_dev *dev);
+void pci_save_aspm_l1ss_state(struct pci_dev *dev);
+void pci_restore_aspm_l1ss_state(struct pci_dev *dev);
+
 #ifdef CONFIG_PCIEASPM
 void pcie_aspm_init_link_state(struct pci_dev *pdev);
 void pcie_aspm_exit_link_state(struct pci_dev *pdev);
 void pcie_aspm_pm_state_change(struct pci_dev *pdev, bool locked);
 void pcie_aspm_powersave_config_link(struct pci_dev *pdev);
+void pci_configure_ltr(struct pci_dev *pdev);
+void pci_bridge_reconfigure_ltr(struct pci_dev *pdev);
 #else
 static inline void pcie_aspm_init_link_state(struct pci_dev *pdev) { }
 static inline void pcie_aspm_exit_link_state(struct pci_dev *pdev) { }
 static inline void pcie_aspm_pm_state_change(struct pci_dev *pdev, bool locked) { }
 static inline void pcie_aspm_powersave_config_link(struct pci_dev *pdev) { }
+static inline void pci_configure_ltr(struct pci_dev *pdev) { }
+static inline void pci_bridge_reconfigure_ltr(struct pci_dev *pdev) { }
 #endif
 
 #ifdef CONFIG_PCIE_ECRC
@@ -793,6 +813,27 @@ static inline pci_power_t mid_pci_get_power_state(struct pci_dev *pdev)
 #endif
 
 /*
+ * Managed PCI resources.  This manages device on/off, INTx/MSI/MSI-X
+ * on/off and BAR regions.  pci_dev itself records MSI/MSI-X status, so
+ * there's no need to track it separately.  pci_devres is initialized
+ * when a device is enabled using managed PCI device enable interface.
+ *
+ * TODO: Struct pci_devres and find_pci_dr() only need to be here because
+ * they're used in pci.c.  Port or move these functions to devres.c and
+ * then remove them from here.
+ */
+struct pci_devres {
+	unsigned int enabled:1;
+	unsigned int pinned:1;
+	unsigned int orig_intx:1;
+	unsigned int restore_intx:1;
+	unsigned int mwi:1;
+	u32 region_mask;
+};
+
+struct pci_devres *find_pci_dr(struct pci_dev *pdev);
+
+/*
  * Config Address for PCI Configuration Mechanism #1
  *
  * See PCI Local Bus Specification, Revision 3.0,