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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d6ddaaac8f
Prevent platform devices from being created for ACPI LPSS devices if CONFIG_X86_INTEL_LPSS is unset by compiling out the LPSS scan handler's callbacks only in that case and still compiling its device ID list in and registering the scan handler in either case. This change is based on a prototype from Zhang Rui. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
182 lines
6.8 KiB
C
182 lines
6.8 KiB
C
/*
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* acpi/internal.h
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* For use by Linux/ACPI infrastructure, not drivers
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*
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* Copyright (c) 2009, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _ACPI_INTERNAL_H_
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#define _ACPI_INTERNAL_H_
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#define PREFIX "ACPI: "
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acpi_status acpi_os_initialize1(void);
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int init_acpi_device_notify(void);
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int acpi_scan_init(void);
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void acpi_pci_root_init(void);
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void acpi_pci_link_init(void);
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void acpi_processor_init(void);
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void acpi_platform_init(void);
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void acpi_pnp_init(void);
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int acpi_sysfs_init(void);
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void acpi_container_init(void);
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void acpi_memory_hotplug_init(void);
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#ifdef CONFIG_ACPI_DOCK
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void register_dock_dependent_device(struct acpi_device *adev,
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acpi_handle dshandle);
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int dock_notify(struct acpi_device *adev, u32 event);
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void acpi_dock_add(struct acpi_device *adev);
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#else
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static inline void register_dock_dependent_device(struct acpi_device *adev,
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acpi_handle dshandle) {}
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static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
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static inline void acpi_dock_add(struct acpi_device *adev) {}
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#endif
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#ifdef CONFIG_X86
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void acpi_cmos_rtc_init(void);
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#else
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static inline void acpi_cmos_rtc_init(void) {}
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#endif
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extern bool acpi_force_hot_remove;
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void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
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const char *name);
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int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
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const char *hotplug_profile_name);
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void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
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#ifdef CONFIG_DEBUG_FS
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extern struct dentry *acpi_debugfs_dir;
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int acpi_debugfs_init(void);
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#else
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static inline void acpi_debugfs_init(void) { return; }
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#endif
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void acpi_lpss_init(void);
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acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
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bool acpi_queue_hotplug_work(struct work_struct *work);
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void acpi_device_hotplug(struct acpi_device *adev, u32 src);
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bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
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/* --------------------------------------------------------------------------
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Device Node Initialization / Removal
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-------------------------------------------------------------------------- */
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#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
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ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
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int acpi_device_add(struct acpi_device *device,
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void (*release)(struct device *));
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void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
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int type, unsigned long long sta);
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void acpi_device_add_finalize(struct acpi_device *device);
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void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
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int acpi_bind_one(struct device *dev, struct acpi_device *adev);
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int acpi_unbind_one(struct device *dev);
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bool acpi_device_is_present(struct acpi_device *adev);
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bool acpi_device_is_battery(struct acpi_device *adev);
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/* --------------------------------------------------------------------------
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Power Resource
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-------------------------------------------------------------------------- */
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int acpi_power_init(void);
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void acpi_power_resources_list_free(struct list_head *list);
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int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
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struct list_head *list);
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int acpi_add_power_resource(acpi_handle handle);
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void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
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int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
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int acpi_device_sleep_wake(struct acpi_device *dev,
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int enable, int sleep_state, int dev_state);
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int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
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int acpi_power_on_resources(struct acpi_device *device, int state);
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int acpi_power_transition(struct acpi_device *device, int state);
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int acpi_device_update_power(struct acpi_device *device, int *state_p);
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int acpi_wakeup_device_init(void);
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void acpi_early_processor_set_pdc(void);
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/* --------------------------------------------------------------------------
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Embedded Controller
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-------------------------------------------------------------------------- */
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struct acpi_ec {
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acpi_handle handle;
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unsigned long gpe;
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unsigned long command_addr;
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unsigned long data_addr;
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unsigned long global_lock;
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unsigned long flags;
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struct mutex mutex;
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wait_queue_head_t wait;
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struct list_head list;
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struct transaction *curr;
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spinlock_t lock;
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};
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extern struct acpi_ec *first_ec;
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/* If we find an EC via the ECDT, we need to keep a ptr to its context */
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/* External interfaces use first EC only, so remember */
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typedef int (*acpi_ec_query_func) (void *data);
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int acpi_ec_init(void);
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int acpi_ec_ecdt_probe(void);
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int acpi_boot_ec_enable(void);
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void acpi_ec_block_transactions(void);
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void acpi_ec_unblock_transactions(void);
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void acpi_ec_unblock_transactions_early(void);
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int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
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acpi_handle handle, acpi_ec_query_func func,
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void *data);
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void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
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/*--------------------------------------------------------------------------
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Suspend/Resume
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-------------------------------------------------------------------------- */
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extern int acpi_sleep_init(void);
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#ifdef CONFIG_ACPI_SLEEP
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int acpi_sleep_proc_init(void);
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int suspend_nvs_alloc(void);
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void suspend_nvs_free(void);
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int suspend_nvs_save(void);
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void suspend_nvs_restore(void);
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#else
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static inline int acpi_sleep_proc_init(void) { return 0; }
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static inline int suspend_nvs_alloc(void) { return 0; }
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static inline void suspend_nvs_free(void) {}
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static inline int suspend_nvs_save(void) { return 0; }
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static inline void suspend_nvs_restore(void) {}
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#endif
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/*--------------------------------------------------------------------------
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Platform bus support
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-------------------------------------------------------------------------- */
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struct platform_device;
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struct platform_device *acpi_create_platform_device(struct acpi_device *adev);
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/*--------------------------------------------------------------------------
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Video
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-------------------------------------------------------------------------- */
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#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
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bool acpi_osi_is_win8(void);
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#endif
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#endif /* _ACPI_INTERNAL_H_ */
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