diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/device/bus.h | 3 | ||||
| -rw-r--r-- | include/linux/pci.h | 11 |
2 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h index f5a56efd2bd6..99b1002b3e31 100644 --- a/include/linux/device/bus.h +++ b/include/linux/device/bus.h @@ -150,6 +150,9 @@ int bus_for_each_dev(const struct bus_type *bus, struct device *start, void *data, device_iter_t fn); struct device *bus_find_device(const struct bus_type *bus, struct device *start, const void *data, device_match_t match); +struct device *bus_find_device_reverse(const struct bus_type *bus, + struct device *start, const void *data, + device_match_t match); /** * bus_find_device_by_name - device iterator for locating a particular device * of a specific name. diff --git a/include/linux/pci.h b/include/linux/pci.h index 4402ca931124..b6a12a82be12 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -582,6 +582,8 @@ struct pci_dev *pci_alloc_dev(struct pci_bus *bus); #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) +#define for_each_pci_dev_reverse(d) \ + while ((d = pci_get_device_reverse(PCI_ANY_ID, PCI_ANY_ID, d)) != NULL) static inline int pci_channel_offline(struct pci_dev *pdev) { @@ -1242,6 +1244,8 @@ u64 pci_get_dsn(struct pci_dev *dev); struct pci_dev *pci_get_device(unsigned int vendor, unsigned int device, struct pci_dev *from); +struct pci_dev *pci_get_device_reverse(unsigned int vendor, unsigned int device, + struct pci_dev *from); struct pci_dev *pci_get_subsys(unsigned int vendor, unsigned int device, unsigned int ss_vendor, unsigned int ss_device, struct pci_dev *from); @@ -1661,6 +1665,8 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *), void *userdata); +void pci_walk_bus_reverse(struct pci_bus *top, + int (*cb)(struct pci_dev *, void *), void *userdata); int pci_cfg_space_size(struct pci_dev *dev); unsigned char pci_bus_max_busnr(struct pci_bus *bus); resource_size_t pcibios_window_alignment(struct pci_bus *bus, @@ -2049,6 +2055,11 @@ static inline struct pci_dev *pci_get_device(unsigned int vendor, struct pci_dev *from) { return NULL; } +static inline struct pci_dev *pci_get_device_reverse(unsigned int vendor, + unsigned int device, + struct pci_dev *from) +{ return NULL; } + static inline struct pci_dev *pci_get_subsys(unsigned int vendor, unsigned int device, unsigned int ss_vendor, |