mirror of https://gitee.com/openkylin/linux.git
PCI: fix codingstyle issues in include/linux/pci.h
Fixes a number of coding style issues in pci.h. It's a tad more readable now... Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman
parent
367b09fec4
commit
05cca6e52a
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@ -351,8 +351,7 @@ enum pci_ers_result {
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};
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/* PCI bus error event callbacks */
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struct pci_error_handlers
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{
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struct pci_error_handlers {
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/* PCI bus error detected on this device */
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pci_ers_result_t (*error_detected)(struct pci_dev *dev,
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enum pci_channel_state error);
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@ -459,8 +458,10 @@ void pcibios_update_irq(struct pci_dev *, int irq);
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extern struct pci_bus *pci_find_bus(int domain, int busnr);
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void pci_bus_add_devices(struct pci_bus *bus);
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struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus, struct pci_ops *ops, void *sysdata);
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static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata)
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struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus,
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struct pci_ops *ops, void *sysdata);
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static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops,
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void *sysdata)
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{
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struct pci_bus *root_bus;
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root_bus = pci_scan_bus_parented(NULL, bus, ops, sysdata);
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@ -468,15 +469,18 @@ static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *s
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pci_bus_add_devices(root_bus);
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return root_bus;
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}
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struct pci_bus *pci_create_bus(struct device *parent, int bus, struct pci_ops *ops, void *sysdata);
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struct pci_bus * pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr);
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struct pci_bus *pci_create_bus(struct device *parent, int bus,
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struct pci_ops *ops, void *sysdata);
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struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev,
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int busnr);
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int pci_scan_slot(struct pci_bus *bus, int devfn);
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struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn);
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void pci_device_add(struct pci_dev *dev, struct pci_bus *bus);
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unsigned int pci_scan_child_bus(struct pci_bus *bus);
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int __must_check pci_bus_add_device(struct pci_dev *dev);
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void pci_read_bridge_bases(struct pci_bus *child);
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struct resource *pci_find_parent_resource(const struct pci_dev *dev, struct resource *res);
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struct resource *pci_find_parent_resource(const struct pci_dev *dev,
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struct resource *res);
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int pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge);
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extern struct pci_dev *pci_dev_get(struct pci_dev *dev);
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extern void pci_dev_put(struct pci_dev *dev);
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@ -489,8 +493,11 @@ extern void pci_sort_breadthfirst(void);
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/* Generic PCI functions exported to card drivers */
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#ifdef CONFIG_PCI_LEGACY
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struct pci_dev __deprecated *pci_find_device (unsigned int vendor, unsigned int device, const struct pci_dev *from);
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struct pci_dev __deprecated *pci_find_slot (unsigned int bus, unsigned int devfn);
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struct pci_dev __deprecated *pci_find_device(unsigned int vendor,
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unsigned int device,
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const struct pci_dev *from);
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struct pci_dev __deprecated *pci_find_slot(unsigned int bus,
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unsigned int devfn);
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#endif /* CONFIG_PCI_LEGACY */
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int pci_find_capability(struct pci_dev *dev, int cap);
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@ -515,12 +522,18 @@ struct pci_dev *pci_get_class (unsigned int class, struct pci_dev *from);
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int pci_dev_present(const struct pci_device_id *ids);
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const struct pci_device_id *pci_find_present(const struct pci_device_id *ids);
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int pci_bus_read_config_byte (struct pci_bus *bus, unsigned int devfn, int where, u8 *val);
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int pci_bus_read_config_word (struct pci_bus *bus, unsigned int devfn, int where, u16 *val);
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int pci_bus_read_config_dword (struct pci_bus *bus, unsigned int devfn, int where, u32 *val);
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int pci_bus_write_config_byte (struct pci_bus *bus, unsigned int devfn, int where, u8 val);
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int pci_bus_write_config_word (struct pci_bus *bus, unsigned int devfn, int where, u16 val);
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int pci_bus_write_config_dword (struct pci_bus *bus, unsigned int devfn, int where, u32 val);
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int pci_bus_read_config_byte(struct pci_bus *bus, unsigned int devfn,
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int where, u8 *val);
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int pci_bus_read_config_word(struct pci_bus *bus, unsigned int devfn,
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int where, u16 *val);
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int pci_bus_read_config_dword(struct pci_bus *bus, unsigned int devfn,
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int where, u32 *val);
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int pci_bus_write_config_byte(struct pci_bus *bus, unsigned int devfn,
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int where, u8 val);
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int pci_bus_write_config_word(struct pci_bus *bus, unsigned int devfn,
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int where, u16 val);
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int pci_bus_write_config_dword(struct pci_bus *bus, unsigned int devfn,
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int where, u32 val);
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static inline int pci_read_config_byte(struct pci_dev *dev, int where, u8 *val)
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{
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@ -530,7 +543,8 @@ static inline int pci_read_config_word(struct pci_dev *dev, int where, u16 *val)
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{
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return pci_bus_read_config_word(dev->bus, dev->devfn, where, val);
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}
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static inline int pci_read_config_dword(struct pci_dev *dev, int where, u32 *val)
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static inline int pci_read_config_dword(struct pci_dev *dev, int where,
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u32 *val)
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{
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return pci_bus_read_config_dword(dev->bus, dev->devfn, where, val);
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}
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@ -542,7 +556,8 @@ static inline int pci_write_config_word(struct pci_dev *dev, int where, u16 val)
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{
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return pci_bus_write_config_word(dev->bus, dev->devfn, where, val);
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}
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static inline int pci_write_config_dword(struct pci_dev *dev, int where, u32 val)
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static inline int pci_write_config_dword(struct pci_dev *dev, int where,
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u32 val)
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{
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return pci_bus_write_config_dword(dev->bus, dev->devfn, where, val);
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}
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@ -630,11 +645,13 @@ static inline int __must_check pci_register_driver(struct pci_driver *driver)
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return __pci_register_driver(driver, THIS_MODULE, KBUILD_MODNAME);
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}
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void pci_unregister_driver(struct pci_driver *);
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void pci_remove_behind_bridge(struct pci_dev *);
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struct pci_driver *pci_dev_driver(const struct pci_dev *);
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const struct pci_device_id *pci_match_id(const struct pci_device_id *ids, struct pci_dev *dev);
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int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass);
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void pci_unregister_driver(struct pci_driver *dev);
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void pci_remove_behind_bridge(struct pci_dev *dev);
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struct pci_driver *pci_dev_driver(const struct pci_dev *dev);
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const struct pci_device_id *pci_match_id(const struct pci_device_id *ids,
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struct pci_dev *dev);
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int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
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int pass);
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void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
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void *userdata);
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@ -668,13 +685,28 @@ struct msix_entry {
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#ifndef CONFIG_PCI_MSI
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static inline int pci_enable_msi(struct pci_dev *dev) {return -1;}
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static inline void pci_disable_msi(struct pci_dev *dev) {}
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static inline int pci_enable_msi(struct pci_dev *dev)
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{
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return -1;
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}
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static inline void pci_disable_msi(struct pci_dev *dev)
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{ }
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static inline int pci_enable_msix(struct pci_dev *dev,
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struct msix_entry *entries, int nvec) {return -1;}
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static inline void pci_disable_msix(struct pci_dev *dev) {}
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static inline void msi_remove_pci_irq_vectors(struct pci_dev *dev) {}
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static inline void pci_restore_msi_state(struct pci_dev *dev) {}
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struct msix_entry *entries, int nvec)
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{
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return -1;
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}
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static inline void pci_disable_msix(struct pci_dev *dev)
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{ }
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static inline void msi_remove_pci_irq_vectors(struct pci_dev *dev)
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{ }
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static inline void pci_restore_msi_state(struct pci_dev *dev)
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{ }
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#else
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extern int pci_enable_msi(struct pci_dev *dev);
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extern void pci_disable_msi(struct pci_dev *dev);
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@ -703,7 +735,11 @@ extern void pci_unblock_user_cfg_access(struct pci_dev *dev);
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extern int pci_domains_supported;
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#else
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enum { pci_domains_supported = 0 };
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static inline int pci_domain_nr(struct pci_bus *bus) { return 0; }
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static inline int pci_domain_nr(struct pci_bus *bus)
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{
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return 0;
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}
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static inline int pci_proc_domain(struct pci_bus *bus)
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{
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return 0;
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@ -718,67 +754,160 @@ static inline int pci_proc_domain(struct pci_bus *bus)
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*/
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#define _PCI_NOP(o, s, t) \
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static inline int pci_##o##_config_##s (struct pci_dev *dev, int where, t val) \
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static inline int pci_##o##_config_##s(struct pci_dev *dev, \
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int where, t val) \
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{ return PCIBIOS_FUNC_NOT_SUPPORTED; }
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#define _PCI_NOP_ALL(o, x) _PCI_NOP(o, byte, u8 x) \
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_PCI_NOP(o, word, u16 x) \
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_PCI_NOP(o, dword, u32 x)
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_PCI_NOP_ALL(read, *)
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_PCI_NOP_ALL(write,)
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static inline struct pci_dev *pci_find_device(unsigned int vendor, unsigned int device, const struct pci_dev *from)
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{ return NULL; }
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static inline struct pci_dev *pci_find_device(unsigned int vendor,
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unsigned int device,
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const struct pci_dev *from)
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{
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return NULL;
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}
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static inline struct pci_dev *pci_find_slot(unsigned int bus, unsigned int devfn)
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{ return NULL; }
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static inline struct pci_dev *pci_find_slot(unsigned int bus,
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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 struct pci_dev *pci_get_device(unsigned int vendor,
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unsigned int device, struct pci_dev *from)
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{ return NULL; }
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unsigned int device,
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struct pci_dev *from)
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{
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return NULL;
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}
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static inline struct pci_dev *pci_get_device_reverse(unsigned int vendor,
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unsigned int device, struct pci_dev *from)
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{ return NULL; }
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unsigned int device,
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struct pci_dev *from)
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{
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return NULL;
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}
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static inline struct pci_dev *pci_get_subsys (unsigned int vendor, unsigned int device,
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unsigned int ss_vendor, unsigned int ss_device, struct pci_dev *from)
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{ return NULL; }
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static inline struct pci_dev *pci_get_subsys(unsigned int vendor,
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unsigned int device,
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unsigned int ss_vendor,
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unsigned int ss_device,
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struct pci_dev *from)
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{
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return NULL;
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}
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static inline struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from)
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{ return NULL; }
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static inline struct pci_dev *pci_get_class(unsigned int class,
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struct pci_dev *from)
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{
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return NULL;
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}
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#define pci_dev_present(ids) (0)
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#define no_pci_devices() (1)
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#define pci_find_present(ids) (NULL)
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#define pci_dev_put(dev) do { } while (0)
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static inline void pci_set_master(struct pci_dev *dev) { }
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static inline int pci_enable_device(struct pci_dev *dev) { return -EIO; }
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static inline void pci_disable_device(struct pci_dev *dev) { }
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static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask) { return -EIO; }
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static inline int pci_assign_resource(struct pci_dev *dev, int i) { return -EBUSY;}
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static inline int __pci_register_driver(struct pci_driver *drv, struct module *owner) { return 0;}
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static inline int pci_register_driver(struct pci_driver *drv) { return 0;}
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static inline void pci_unregister_driver(struct pci_driver *drv) { }
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static inline int pci_find_capability (struct pci_dev *dev, int cap) {return 0; }
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static inline int pci_find_next_capability (struct pci_dev *dev, u8 post, int cap) { return 0; }
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static inline int pci_find_ext_capability (struct pci_dev *dev, int cap) {return 0; }
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static inline void pcie_wait_pending_transaction(struct pci_dev *dev) {}
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static inline void pci_set_master(struct pci_dev *dev)
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{ }
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static inline int pci_enable_device(struct pci_dev *dev)
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{
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return -EIO;
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}
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static inline void pci_disable_device(struct pci_dev *dev)
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{ }
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static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
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{
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return -EIO;
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}
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static inline int pci_assign_resource(struct pci_dev *dev, int i)
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{
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return -EBUSY;
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}
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static inline int __pci_register_driver(struct pci_driver *drv,
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struct module *owner)
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{
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return 0;
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}
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static inline int pci_register_driver(struct pci_driver *drv)
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{
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return 0;
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}
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static inline void pci_unregister_driver(struct pci_driver *drv)
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{ }
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static inline int pci_find_capability(struct pci_dev *dev, int cap)
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{
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return 0;
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}
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static inline int pci_find_next_capability(struct pci_dev *dev, u8 post,
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int cap)
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{
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return 0;
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}
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static inline int pci_find_ext_capability(struct pci_dev *dev, int cap)
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{
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return 0;
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}
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static inline void pcie_wait_pending_transaction(struct pci_dev *dev)
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{ }
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/* Power management related routines */
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static inline int pci_save_state(struct pci_dev *dev) { return 0; }
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static inline int pci_restore_state(struct pci_dev *dev) { return 0; }
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static inline int pci_set_power_state(struct pci_dev *dev, pci_power_t state) { return 0; }
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static inline pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state) { return PCI_D0; }
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static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable) { return 0; }
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static inline int pci_save_state(struct pci_dev *dev)
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{
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return 0;
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}
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static inline int pci_request_regions(struct pci_dev *dev, const char *res_name) { return -EIO; }
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static inline void pci_release_regions(struct pci_dev *dev) { }
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static inline int pci_restore_state(struct pci_dev *dev)
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{
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return 0;
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}
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static inline int pci_set_power_state(struct pci_dev *dev, pci_power_t state)
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{
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return 0;
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}
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static inline pci_power_t pci_choose_state(struct pci_dev *dev,
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pm_message_t state)
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{
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return PCI_D0;
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}
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static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state,
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int enable)
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{
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return 0;
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}
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static inline int pci_request_regions(struct pci_dev *dev, const char *res_name)
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{
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return -EIO;
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}
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static inline void pci_release_regions(struct pci_dev *dev)
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{ }
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#define pci_dma_burst_advice(pdev, strat, strategy_parameter) do { } while (0)
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static inline void pci_block_user_cfg_access(struct pci_dev *dev) { }
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static inline void pci_unblock_user_cfg_access(struct pci_dev *dev) { }
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static inline void pci_block_user_cfg_access(struct pci_dev *dev)
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{ }
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static inline void pci_unblock_user_cfg_access(struct pci_dev *dev)
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{ }
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static inline struct pci_bus *pci_find_next_bus(const struct pci_bus *from)
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{ return NULL; }
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