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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/include/linux/pci_hotplug.h
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@@ -16,8 +16,6 @@
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 /**
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  * struct hotplug_slot_ops -the callbacks that the hotplug pci core can use
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- * @owner: The module owner of this structure
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- * @mod_name: The module name (KBUILD_MODNAME) of this structure
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  * @enable_slot: Called when the user wants to enable a specific pci slot
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  * @disable_slot: Called when the user wants to disable a specific pci slot
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  * @set_attention_status: Called to set the specific slot's attention LED to
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@@ -25,17 +23,9 @@
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  * @hardware_test: Called to run a specified hardware test on the specified
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  * slot.
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  * @get_power_status: Called to get the current power status of a slot.
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- *	If this field is NULL, the value passed in the struct hotplug_slot_info
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- *	will be used when this value is requested by a user.
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  * @get_attention_status: Called to get the current attention status of a slot.
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- *	If this field is NULL, the value passed in the struct hotplug_slot_info
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- *	will be used when this value is requested by a user.
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  * @get_latch_status: Called to get the current latch status of a slot.
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- *	If this field is NULL, the value passed in the struct hotplug_slot_info
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- *	will be used when this value is requested by a user.
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  * @get_adapter_status: Called to get see if an adapter is present in the slot or not.
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- *	If this field is NULL, the value passed in the struct hotplug_slot_info
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- *	will be used when this value is requested by a user.
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  * @reset_slot: Optional interface to allow override of a bus reset for the
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  *	slot for cases where a secondary bus reset can result in spurious
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  *	hotplug events or where a slot can be reset independent of the bus.
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@@ -46,8 +36,6 @@
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  * set an LED, enable / disable power, etc.)
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  */
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 struct hotplug_slot_ops {
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-	struct module *owner;
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-	const char *mod_name;
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 	int (*enable_slot)		(struct hotplug_slot *slot);
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 	int (*disable_slot)		(struct hotplug_slot *slot);
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 	int (*set_attention_status)	(struct hotplug_slot *slot, u8 value);
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@@ -60,37 +48,19 @@
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 };
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 /**
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- * struct hotplug_slot_info - used to notify the hotplug pci core of the state of the slot
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- * @power_status: if power is enabled or not (1/0)
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- * @attention_status: if the attention light is enabled or not (1/0)
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- * @latch_status: if the latch (if any) is open or closed (1/0)
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- * @adapter_status: if there is a pci board present in the slot or not (1/0)
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- *
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- * Used to notify the hotplug pci core of the status of a specific slot.
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- */
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-struct hotplug_slot_info {
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-	u8	power_status;
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-	u8	attention_status;
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-	u8	latch_status;
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-	u8	adapter_status;
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-};
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-
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-/**
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  * struct hotplug_slot - used to register a physical slot with the hotplug pci core
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  * @ops: pointer to the &struct hotplug_slot_ops to be used for this slot
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- * @info: pointer to the &struct hotplug_slot_info for the initial values for
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- * this slot.
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- * @private: used by the hotplug pci controller driver to store whatever it
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- * needs.
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+ * @owner: The module owner of this structure
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+ * @mod_name: The module name (KBUILD_MODNAME) of this structure
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  */
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 struct hotplug_slot {
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-	struct hotplug_slot_ops		*ops;
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-	struct hotplug_slot_info	*info;
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-	void				*private;
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+	const struct hotplug_slot_ops	*ops;
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 	/* Variables below this are for use only by the hotplug pci core. */
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 	struct list_head		slot_list;
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 	struct pci_slot			*pci_slot;
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+	struct module			*owner;
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+	const char			*mod_name;
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 };
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 static inline const char *hotplug_slot_name(const struct hotplug_slot *slot)
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@@ -110,77 +80,20 @@
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 void pci_hp_destroy(struct hotplug_slot *slot);
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 void pci_hp_deregister(struct hotplug_slot *slot);
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-int __must_check pci_hp_change_slot_info(struct hotplug_slot *slot,
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-					 struct hotplug_slot_info *info);
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-
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 /* use a define to avoid include chaining to get THIS_MODULE & friends */
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 #define pci_hp_register(slot, pbus, devnr, name) \
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 	__pci_hp_register(slot, pbus, devnr, name, THIS_MODULE, KBUILD_MODNAME)
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 #define pci_hp_initialize(slot, bus, nr, name) \
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 	__pci_hp_initialize(slot, bus, nr, name, THIS_MODULE, KBUILD_MODNAME)
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-/* PCI Setting Record (Type 0) */
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-struct hpp_type0 {
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-	u32 revision;
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-	u8  cache_line_size;
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-	u8  latency_timer;
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-	u8  enable_serr;
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-	u8  enable_perr;
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-};
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-
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-/* PCI-X Setting Record (Type 1) */
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-struct hpp_type1 {
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-	u32 revision;
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-	u8  max_mem_read;
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-	u8  avg_max_split;
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-	u16 tot_max_split;
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-};
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-
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-/* PCI Express Setting Record (Type 2) */
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-struct hpp_type2 {
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-	u32 revision;
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-	u32 unc_err_mask_and;
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-	u32 unc_err_mask_or;
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-	u32 unc_err_sever_and;
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-	u32 unc_err_sever_or;
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-	u32 cor_err_mask_and;
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-	u32 cor_err_mask_or;
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-	u32 adv_err_cap_and;
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-	u32 adv_err_cap_or;
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-	u16 pci_exp_devctl_and;
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-	u16 pci_exp_devctl_or;
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-	u16 pci_exp_lnkctl_and;
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-	u16 pci_exp_lnkctl_or;
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-	u32 sec_unc_err_sever_and;
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-	u32 sec_unc_err_sever_or;
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-	u32 sec_unc_err_mask_and;
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-	u32 sec_unc_err_mask_or;
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-};
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-
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-struct hotplug_params {
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-	struct hpp_type0 *t0;		/* Type0: NULL if not available */
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-	struct hpp_type1 *t1;		/* Type1: NULL if not available */
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-	struct hpp_type2 *t2;		/* Type2: NULL if not available */
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-	struct hpp_type0 type0_data;
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-	struct hpp_type1 type1_data;
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-	struct hpp_type2 type2_data;
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-};
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-
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 #ifdef CONFIG_ACPI
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 #include <linux/acpi.h>
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-int pci_get_hp_params(struct pci_dev *dev, struct hotplug_params *hpp);
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 bool pciehp_is_native(struct pci_dev *bridge);
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 int acpi_get_hp_hw_control_from_firmware(struct pci_dev *bridge);
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 bool shpchp_is_native(struct pci_dev *bridge);
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 int acpi_pci_check_ejectable(struct pci_bus *pbus, acpi_handle handle);
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 int acpi_pci_detect_ejectable(acpi_handle handle);
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 #else
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-static inline int pci_get_hp_params(struct pci_dev *dev,
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-				    struct hotplug_params *hpp)
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-{
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-	return -ENODEV;
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-}
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-
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 static inline int acpi_get_hp_hw_control_from_firmware(struct pci_dev *bridge)
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 {
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 	return 0;