libs/rt-thread-official
libs
/
rt-thread-official
mirror of https://github.com/RT-Thread/rt-thread.git
4
0
Fork 0
Code Issues Releases Wiki Activity

pci

This commit is contained in:
zhujiale 2024-09-14 16:09:42 +08:00
parent 488065bb67
commit 1788597ddd
2 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
components/drivers/include/drivers/pci.h
View File

@ -596,8 +596,7 @@ const struct rt_pci_device_id *rt_pci_match_ids(struct rt_pci_device *pdev,
rt_err_t rt_pci_driver_register(struct rt_pci_driver *pdrv);
rt_err_t rt_pci_device_register(struct rt_pci_device *pdev);
struct rt_pci_bus_resource *rt_pci_find_bar(struct rt_pci_device* pdev,rt_ubase_t flags);
struct rt_pci_bus_resource *rt_pci_find_bar(struct rt_pci_device* pdev,rt_ubase_t flags,int index);
#define RT_PCI_DRIVER_EXPORT(driver) RT_DRIVER_EXPORT(driver, pci, BUILIN)
extern struct rt_spinlock rt_pci_lock;

8
components/drivers/pci/pci.c
View File

@ -712,12 +712,16 @@ rt_err_t rt_pci_device_alloc_resource(struct rt_pci_host_bridge *host_bridge,
return err;
}
struct rt_pci_bus_resource *rt_pci_find_bar(struct rt_pci_device* pdev,rt_ubase_t flags)
struct rt_pci_bus_resource *rt_pci_find_bar(struct rt_pci_device* pdev,rt_ubase_t flags,int index)
{
for (int i = 0; i < RT_PCI_BAR_NR_MAX; i++)
{
if (pdev->resource[i].flags == flags)
return &pdev->resource[i];
{
index--;
if (index == 0)
return &pdev->resource[i];
}
}
return RT_NULL;
}