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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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be23c9d20b
- Support for the ACPI _CCA configuration object intended to tell
the OS whether or not a bus master device supports hardware
managed cache coherency and a new set of functions to allow
drivers to check the cache coherency support for devices in a
platform firmware interface agnostic way (Suravee Suthikulpanit,
Jeremy Linton).
- ACPI backlight quirks for ESPRIMO Mobile M9410 and Dell XPS L421X
(Aaron Lu, Hans de Goede).
- Fixes for the arm_big_little and s5pv210-cpufreq cpufreq drivers
(Jon Medhurst, Nicolas Pitre).
- kfree()-related fixup for the recently introduced CPPC cpufreq
frontend (Markus Elfring).
- intel_pstate fix reducing kernel log noise on systems where
P-states are managed by hardware (Prarit Bhargava).
- intel_pstate maintainers information update (Srinivas Pandruvada).
- cpufreq core optimization related to the handling of delayed work
items used by governors (Viresh Kumar).
- Locking fixes and cleanups of the Operating Performance Points
(OPP) framework (Viresh Kumar).
- Generic power domains framework cleanups (Lina Iyer).
- cpupower tool updates (Jacob Tanenbaum, Sriram Raghunathan,
Thomas Renninger).
- turbostat tool updates (Len Brown).
/
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Merge tag 'pm+acpi-4.4-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management and ACPI updates from Rafael Wysocki:
"The only new feature in this batch is support for the ACPI _CCA device
configuration object, which it a pre-requisite for future ACPI PCI
support on ARM64, but should not affect the other architectures.
The rest is fixes and cleanups, mostly in cpufreq (including
intel_pstate), the Operating Performace Points (OPP) framework and
tools (cpupower and turbostat).
Specifics:
- Support for the ACPI _CCA configuration object intended to tell the
OS whether or not a bus master device supports hardware managed
cache coherency and a new set of functions to allow drivers to
check the cache coherency support for devices in a platform
firmware interface agnostic way (Suravee Suthikulpanit, Jeremy
Linton).
- ACPI backlight quirks for ESPRIMO Mobile M9410 and Dell XPS L421X
(Aaron Lu, Hans de Goede).
- Fixes for the arm_big_little and s5pv210-cpufreq cpufreq drivers
(Jon Medhurst, Nicolas Pitre).
- kfree()-related fixup for the recently introduced CPPC cpufreq
frontend (Markus Elfring).
- intel_pstate fix reducing kernel log noise on systems where
P-states are managed by hardware (Prarit Bhargava).
- intel_pstate maintainers information update (Srinivas Pandruvada).
- cpufreq core optimization related to the handling of delayed work
items used by governors (Viresh Kumar).
- Locking fixes and cleanups of the Operating Performance Points
(OPP) framework (Viresh Kumar).
- Generic power domains framework cleanups (Lina Iyer).
- cpupower tool updates (Jacob Tanenbaum, Sriram Raghunathan, Thomas
Renninger).
- turbostat tool updates (Len Brown)"
* tag 'pm+acpi-4.4-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
PCI: ACPI: Add support for PCI device DMA coherency
PCI: OF: Move of_pci_dma_configure() to pci_dma_configure()
of/pci: Fix pci_get_host_bridge_device leak
device property: ACPI: Remove unused DMA APIs
device property: ACPI: Make use of the new DMA Attribute APIs
device property: Adding DMA Attribute APIs for Generic Devices
ACPI: Adding DMA Attribute APIs for ACPI Device
device property: Introducing enum dev_dma_attr
ACPI: Honor ACPI _CCA attribute setting
cpufreq: CPPC: Delete an unnecessary check before the function call kfree()
PM / OPP: Add opp_rcu_lockdep_assert() to _find_device_opp()
PM / OPP: Hold dev_opp_list_lock for writers
PM / OPP: Protect updates to list_dev with mutex
PM / OPP: Propagate error properly from dev_pm_opp_set_sharing_cpus()
cpufreq: s5pv210-cpufreq: fix wrong do_div() usage
MAINTAINERS: update for intel P-state driver
Creating a common structure initialization pattern for struct option
cpupower: Enable disabled Cstates if they are below max latency
cpupower: Remove debug message when using cpupower idle-set -D switch
cpupower: cpupower monitor reports uninitialized values for offline cpus
...
76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
#ifndef __OF_PCI_H
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#define __OF_PCI_H
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#include <linux/pci.h>
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#include <linux/msi.h>
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struct pci_dev;
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struct of_phandle_args;
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struct device_node;
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#ifdef CONFIG_OF
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int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq);
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struct device_node *of_pci_find_child_device(struct device_node *parent,
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unsigned int devfn);
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int of_pci_get_devfn(struct device_node *np);
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int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
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int of_pci_parse_bus_range(struct device_node *node, struct resource *res);
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int of_get_pci_domain_nr(struct device_node *node);
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void of_pci_check_probe_only(void);
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#else
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static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
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{
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return 0;
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}
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static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
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unsigned int devfn)
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{
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return NULL;
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}
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static inline int of_pci_get_devfn(struct device_node *np)
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{
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return -EINVAL;
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}
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static inline int
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of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
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{
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return 0;
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}
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static inline int
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of_pci_parse_bus_range(struct device_node *node, struct resource *res)
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{
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return -EINVAL;
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}
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static inline int
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of_get_pci_domain_nr(struct device_node *node)
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{
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return -1;
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}
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static inline void of_pci_check_probe_only(void) { }
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#endif
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#if defined(CONFIG_OF_ADDRESS)
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int of_pci_get_host_bridge_resources(struct device_node *dev,
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unsigned char busno, unsigned char bus_max,
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struct list_head *resources, resource_size_t *io_base);
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#endif
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#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
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int of_pci_msi_chip_add(struct msi_controller *chip);
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void of_pci_msi_chip_remove(struct msi_controller *chip);
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struct msi_controller *of_pci_find_msi_chip_by_node(struct device_node *of_node);
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#else
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static inline int of_pci_msi_chip_add(struct msi_controller *chip) { return -EINVAL; }
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static inline void of_pci_msi_chip_remove(struct msi_controller *chip) { }
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static inline struct msi_controller *
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of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
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#endif
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#endif
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