diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci-uclass.c | 16 | ||||
| -rw-r--r-- | drivers/pci/pci_compat.c | 15 | ||||
| -rw-r--r-- | drivers/pci/pci_internal.h | 12 |
3 files changed, 28 insertions, 15 deletions
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index 685df9d..6dd4883 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -22,7 +22,7 @@ DECLARE_GLOBAL_DATA_PTR; -static int pci_get_bus(int busnum, struct udevice **busp) +int pci_get_bus(int busnum, struct udevice **busp) { int ret; @@ -41,20 +41,6 @@ static int pci_get_bus(int busnum, struct udevice **busp) return ret; } -struct pci_controller *pci_bus_to_hose(int busnum) -{ - struct udevice *bus; - int ret; - - ret = pci_get_bus(busnum, &bus); - if (ret) { - debug("%s: Cannot get bus %d: ret=%d\n", __func__, busnum, ret); - return NULL; - } - - return dev_get_uclass_priv(bus); -} - struct udevice *pci_get_controller(struct udevice *dev) { while (device_is_on_pci_bus(dev)) diff --git a/drivers/pci/pci_compat.c b/drivers/pci/pci_compat.c index dd15eb1..ddaf358 100644 --- a/drivers/pci/pci_compat.c +++ b/drivers/pci/pci_compat.c @@ -12,6 +12,7 @@ #include <pci.h> #include <dm/device-internal.h> #include <dm/lists.h> +#include "pci_internal.h" #define PCI_HOSE_OP(rw, name, size, type) \ int pci_hose_##rw##_config_##name(struct pci_controller *hose, \ @@ -36,3 +37,17 @@ pci_dev_t pci_find_devices(struct pci_device_id *ids, int index) return -1; return dm_pci_get_bdf(dev); } + +struct pci_controller *pci_bus_to_hose(int busnum) +{ + struct udevice *bus; + int ret; + + ret = pci_get_bus(busnum, &bus); + if (ret) { + debug("%s: Cannot get bus %d: ret=%d\n", __func__, busnum, ret); + return NULL; + } + + return dev_get_uclass_priv(bus); +} diff --git a/drivers/pci/pci_internal.h b/drivers/pci/pci_internal.h index 0867575..616b9c1 100644 --- a/drivers/pci/pci_internal.h +++ b/drivers/pci/pci_internal.h @@ -47,4 +47,16 @@ void dm_pciauto_postscan_setup_bridge(struct udevice *dev, int sub_bus); */ int dm_pciauto_config_device(struct udevice *dev); +/** + * pci_get_bus() - Get a pointer to a bus, given its number + * + * This looks up a PCI bus based on its bus number. The bus is probed if + * necessary. + * + * @busnum: PCI bus number to look up + * @busp: Returns PCI bus on success + * @return 0 on success, or -ve error + */ +int pci_get_bus(int busnum, struct udevice **busp); + #endif |