PCI: Remove "extern" from function declarations
We had an inconsistent mix of using and omitting the "extern" keyword
on function declarations in header files. This removes them all.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
diff --git a/include/linux/pci-aspm.h b/include/linux/pci-aspm.h
index c832014..8af4610 100644
--- a/include/linux/pci-aspm.h
+++ b/include/linux/pci-aspm.h
@@ -23,14 +23,14 @@
#define PCIE_LINK_STATE_CLKPM 4
#ifdef CONFIG_PCIEASPM
-extern void pcie_aspm_init_link_state(struct pci_dev *pdev);
-extern void pcie_aspm_exit_link_state(struct pci_dev *pdev);
-extern void pcie_aspm_pm_state_change(struct pci_dev *pdev);
-extern void pcie_aspm_powersave_config_link(struct pci_dev *pdev);
-extern void pci_disable_link_state(struct pci_dev *pdev, int state);
-extern void pci_disable_link_state_locked(struct pci_dev *pdev, int state);
-extern void pcie_clear_aspm(struct pci_bus *bus);
-extern void pcie_no_aspm(void);
+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);
+void pcie_aspm_powersave_config_link(struct pci_dev *pdev);
+void pci_disable_link_state(struct pci_dev *pdev, int state);
+void pci_disable_link_state_locked(struct pci_dev *pdev, int state);
+void pcie_clear_aspm(struct pci_bus *bus);
+void pcie_no_aspm(void);
#else
static inline void pcie_aspm_init_link_state(struct pci_dev *pdev)
{
@@ -56,8 +56,8 @@
#endif
#ifdef CONFIG_PCIEASPM_DEBUG /* this depends on CONFIG_PCIEASPM */
-extern void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev);
-extern void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev);
+void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev);
+void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev);
#else
static inline void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev)
{
diff --git a/include/linux/pci-ats.h b/include/linux/pci-ats.h
index 7ef6872..68bcefd 100644
--- a/include/linux/pci-ats.h
+++ b/include/linux/pci-ats.h
@@ -14,9 +14,9 @@
#ifdef CONFIG_PCI_ATS
-extern int pci_enable_ats(struct pci_dev *dev, int ps);
-extern void pci_disable_ats(struct pci_dev *dev);
-extern int pci_ats_queue_depth(struct pci_dev *dev);
+int pci_enable_ats(struct pci_dev *dev, int ps);
+void pci_disable_ats(struct pci_dev *dev);
+int pci_ats_queue_depth(struct pci_dev *dev);
/**
* pci_ats_enabled - query the ATS status
@@ -54,12 +54,12 @@
#ifdef CONFIG_PCI_PRI
-extern int pci_enable_pri(struct pci_dev *pdev, u32 reqs);
-extern void pci_disable_pri(struct pci_dev *pdev);
-extern bool pci_pri_enabled(struct pci_dev *pdev);
-extern int pci_reset_pri(struct pci_dev *pdev);
-extern bool pci_pri_stopped(struct pci_dev *pdev);
-extern int pci_pri_status(struct pci_dev *pdev);
+int pci_enable_pri(struct pci_dev *pdev, u32 reqs);
+void pci_disable_pri(struct pci_dev *pdev);
+bool pci_pri_enabled(struct pci_dev *pdev);
+int pci_reset_pri(struct pci_dev *pdev);
+bool pci_pri_stopped(struct pci_dev *pdev);
+int pci_pri_status(struct pci_dev *pdev);
#else /* CONFIG_PCI_PRI */
@@ -95,10 +95,10 @@
#ifdef CONFIG_PCI_PASID
-extern int pci_enable_pasid(struct pci_dev *pdev, int features);
-extern void pci_disable_pasid(struct pci_dev *pdev);
-extern int pci_pasid_features(struct pci_dev *pdev);
-extern int pci_max_pasids(struct pci_dev *pdev);
+int pci_enable_pasid(struct pci_dev *pdev, int features);
+void pci_disable_pasid(struct pci_dev *pdev);
+int pci_pasid_features(struct pci_dev *pdev);
+int pci_max_pasids(struct pci_dev *pdev);
#else /* CONFIG_PCI_PASID */
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 2461033a..614512b 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -348,7 +348,7 @@
return dev;
}
-extern struct pci_dev *alloc_pci_dev(void);
+struct pci_dev *alloc_pci_dev(void);
#define to_pci_dev(n) container_of(n, struct pci_dev, dev)
#define for_each_pci_dev(d) while ((d = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, d)) != NULL)
@@ -504,10 +504,10 @@
* ACPI needs to be able to access PCI config space before we've done a
* PCI bus scan and created pci_bus structures.
*/
-extern int raw_pci_read(unsigned int domain, unsigned int bus,
- unsigned int devfn, int reg, int len, u32 *val);
-extern int raw_pci_write(unsigned int domain, unsigned int bus,
- unsigned int devfn, int reg, int len, u32 val);
+int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
+ int reg, int len, u32 *val);
+int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn,
+ int reg, int len, u32 val);
struct pci_bus_region {
resource_size_t start;
@@ -658,7 +658,7 @@
/* these external functions are only available when PCI support is enabled */
#ifdef CONFIG_PCI
-extern void pcie_bus_configure_settings(struct pci_bus *bus, u8 smpss);
+void pcie_bus_configure_settings(struct pci_bus *bus, u8 smpss);
enum pcie_bus_config_types {
PCIE_BUS_TUNE_OFF,
@@ -675,7 +675,7 @@
* code, or pci core code. */
extern struct list_head pci_root_buses; /* list of all known PCI buses */
/* Some device drivers need know if pci is initiated */
-extern int no_pci_devices(void);
+int no_pci_devices(void);
void pcibios_resource_survey_bus(struct pci_bus *bus);
void pcibios_fixup_bus(struct pci_bus *);
@@ -699,7 +699,7 @@
void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
struct pci_bus_region *region);
void pcibios_scan_specific_bus(int busn);
-extern struct pci_bus *pci_find_bus(int domain, int busnr);
+struct pci_bus *pci_find_bus(int domain, int busnr);
void pci_bus_add_devices(const struct pci_bus *bus);
struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus,
struct pci_ops *ops, void *sysdata);
@@ -732,14 +732,14 @@
u8 pci_swizzle_interrupt_pin(const struct pci_dev *dev, u8 pin);
int pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge);
u8 pci_common_swizzle(struct pci_dev *dev, u8 *pinp);
-extern struct pci_dev *pci_dev_get(struct pci_dev *dev);
-extern void pci_dev_put(struct pci_dev *dev);
-extern void pci_remove_bus(struct pci_bus *b);
-extern void pci_stop_and_remove_bus_device(struct pci_dev *dev);
+struct pci_dev *pci_dev_get(struct pci_dev *dev);
+void pci_dev_put(struct pci_dev *dev);
+void pci_remove_bus(struct pci_bus *b);
+void pci_stop_and_remove_bus_device(struct pci_dev *dev);
void pci_stop_root_bus(struct pci_bus *bus);
void pci_remove_root_bus(struct pci_bus *bus);
void pci_setup_cardbus(struct pci_bus *bus);
-extern void pci_sort_breadthfirst(void);
+void pci_sort_breadthfirst(void);
#define dev_is_pci(d) ((d)->bus == &pci_bus_type)
#define dev_is_pf(d) ((dev_is_pci(d) ? to_pci_dev(d)->is_physfn : false))
#define dev_num_vf(d) ((dev_is_pci(d) ? pci_num_vf(to_pci_dev(d)) : 0))
@@ -1141,18 +1141,17 @@
return 0;
}
#else
-extern int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec);
-extern int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec);
-extern void pci_msi_shutdown(struct pci_dev *dev);
-extern void pci_disable_msi(struct pci_dev *dev);
-extern int pci_msix_table_size(struct pci_dev *dev);
-extern int pci_enable_msix(struct pci_dev *dev,
- struct msix_entry *entries, int nvec);
-extern void pci_msix_shutdown(struct pci_dev *dev);
-extern void pci_disable_msix(struct pci_dev *dev);
-extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
-extern void pci_restore_msi_state(struct pci_dev *dev);
-extern int pci_msi_enabled(void);
+int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec);
+int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec);
+void pci_msi_shutdown(struct pci_dev *dev);
+void pci_disable_msi(struct pci_dev *dev);
+int pci_msix_table_size(struct pci_dev *dev);
+int pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec);
+void pci_msix_shutdown(struct pci_dev *dev);
+void pci_disable_msix(struct pci_dev *dev);
+void msi_remove_pci_irq_vectors(struct pci_dev *dev);
+void pci_restore_msi_state(struct pci_dev *dev);
+int pci_msi_enabled(void);
#endif
#ifdef CONFIG_PCIEPORTBUS
@@ -1167,8 +1166,8 @@
static inline int pcie_aspm_enabled(void) { return 0; }
static inline bool pcie_aspm_support_enabled(void) { return false; }
#else
-extern int pcie_aspm_enabled(void);
-extern bool pcie_aspm_support_enabled(void);
+int pcie_aspm_enabled(void);
+bool pcie_aspm_support_enabled(void);
#endif
#ifdef CONFIG_PCIEAER
@@ -1186,8 +1185,8 @@
}
static inline void pcie_ecrc_get_policy(char *str) {};
#else
-extern void pcie_set_ecrc_checking(struct pci_dev *dev);
-extern void pcie_ecrc_get_policy(char *str);
+void pcie_set_ecrc_checking(struct pci_dev *dev);
+void pcie_ecrc_get_policy(char *str);
#endif
#define pci_enable_msi(pdev) pci_enable_msi_block(pdev, 1)
@@ -1198,9 +1197,9 @@
void ht_destroy_irq(unsigned int irq);
#endif /* CONFIG_HT_IRQ */
-extern void pci_cfg_access_lock(struct pci_dev *dev);
-extern bool pci_cfg_access_trylock(struct pci_dev *dev);
-extern void pci_cfg_access_unlock(struct pci_dev *dev);
+void pci_cfg_access_lock(struct pci_dev *dev);
+bool pci_cfg_access_trylock(struct pci_dev *dev);
+void pci_cfg_access_unlock(struct pci_dev *dev);
/*
* PCI domain support. Sometimes called PCI segment (eg by ACPI),
@@ -1225,7 +1224,7 @@
/* some architectures require additional setup to direct VGA traffic */
typedef int (*arch_set_vga_state_t)(struct pci_dev *pdev, bool decode,
unsigned int command_bits, u32 flags);
-extern void pci_register_set_vga_state(arch_set_vga_state_t func);
+void pci_register_set_vga_state(arch_set_vga_state_t func);
#else /* CONFIG_PCI is not enabled */
@@ -1627,8 +1626,8 @@
int pcibios_add_device(struct pci_dev *dev);
#ifdef CONFIG_PCI_MMCONFIG
-extern void __init pci_mmcfg_early_init(void);
-extern void __init pci_mmcfg_late_init(void);
+void __init pci_mmcfg_early_init(void);
+void __init pci_mmcfg_late_init(void);
#else
static inline void pci_mmcfg_early_init(void) { }
static inline void pci_mmcfg_late_init(void) { }
@@ -1639,12 +1638,12 @@
void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar);
#ifdef CONFIG_PCI_IOV
-extern int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn);
-extern void pci_disable_sriov(struct pci_dev *dev);
-extern irqreturn_t pci_sriov_migration(struct pci_dev *dev);
-extern int pci_num_vf(struct pci_dev *dev);
-extern int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs);
-extern int pci_sriov_get_totalvfs(struct pci_dev *dev);
+int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn);
+void pci_disable_sriov(struct pci_dev *dev);
+irqreturn_t pci_sriov_migration(struct pci_dev *dev);
+int pci_num_vf(struct pci_dev *dev);
+int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs);
+int pci_sriov_get_totalvfs(struct pci_dev *dev);
#else
static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
{
@@ -1672,8 +1671,8 @@
#endif
#if defined(CONFIG_HOTPLUG_PCI) || defined(CONFIG_HOTPLUG_PCI_MODULE)
-extern void pci_hp_create_module_link(struct pci_slot *pci_slot);
-extern void pci_hp_remove_module_link(struct pci_slot *pci_slot);
+void pci_hp_create_module_link(struct pci_slot *pci_slot);
+void pci_hp_remove_module_link(struct pci_slot *pci_slot);
#endif
/**
@@ -1817,13 +1816,13 @@
/* PCI <-> OF binding helpers */
#ifdef CONFIG_OF
struct device_node;
-extern void pci_set_of_node(struct pci_dev *dev);
-extern void pci_release_of_node(struct pci_dev *dev);
-extern void pci_set_bus_of_node(struct pci_bus *bus);
-extern void pci_release_bus_of_node(struct pci_bus *bus);
+void pci_set_of_node(struct pci_dev *dev);
+void pci_release_of_node(struct pci_dev *dev);
+void pci_set_bus_of_node(struct pci_bus *bus);
+void pci_release_bus_of_node(struct pci_bus *bus);
/* Arch may override this (weak) */
-extern struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus);
+struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus);
static inline struct device_node *
pci_device_to_OF_node(const struct pci_dev *pdev)
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index 45fc162..8db71dcd 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -125,12 +125,12 @@
return pci_slot_name(slot->pci_slot);
}
-extern int __pci_hp_register(struct hotplug_slot *slot, struct pci_bus *pbus,
- int nr, const char *name,
- struct module *owner, const char *mod_name);
-extern int pci_hp_deregister(struct hotplug_slot *slot);
-extern int __must_check pci_hp_change_slot_info (struct hotplug_slot *slot,
- struct hotplug_slot_info *info);
+int __pci_hp_register(struct hotplug_slot *slot, struct pci_bus *pbus, int nr,
+ const char *name, struct module *owner,
+ const char *mod_name);
+int pci_hp_deregister(struct hotplug_slot *slot);
+int __must_check pci_hp_change_slot_info(struct hotplug_slot *slot,
+ struct hotplug_slot_info *info);
/* use a define to avoid include chaining to get THIS_MODULE & friends */
#define pci_hp_register(slot, pbus, devnr, name) \
diff --git a/include/linux/pcieport_if.h b/include/linux/pcieport_if.h
index e6f91b1..9572669 100644
--- a/include/linux/pcieport_if.h
+++ b/include/linux/pcieport_if.h
@@ -62,7 +62,7 @@
#define to_service_driver(d) \
container_of(d, struct pcie_port_service_driver, driver)
-extern int pcie_port_service_register(struct pcie_port_service_driver *new);
-extern void pcie_port_service_unregister(struct pcie_port_service_driver *new);
+int pcie_port_service_register(struct pcie_port_service_driver *new);
+void pcie_port_service_unregister(struct pcie_port_service_driver *new);
#endif /* _PCIEPORT_IF_H_ */