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linuxkpi: add pci_dev_present

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pci_dev_present shows if a set of pci ids are present in the system.
It just wraps pci_find_device.
Needed by DRMv5.2

Submitted by:	Austing Shafer (ashafer@badland.io)
Differential Revision:	https://reviews.freebsd.org/D24796
This commit is contained in:
Emmanuel Vadot 2020-05-19 08:44:33 +00:00
parent ff443195bf
commit 5e30a739c7
1 changed files with 12 additions and 0 deletions
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12
sys/compat/linuxkpi/common/include/linux/pci.h
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@ -1050,4 +1050,16 @@ extern int linux_pci_attach_device(device_t, struct pci_driver *,
const struct pci_device_id *, struct pci_dev *);
extern int linux_pci_detach_device(struct pci_dev *);
static inline int
pci_dev_present(const struct pci_device_id *cur)
{
while (cur != NULL && (cur->vendor || cur->device)) {
if (pci_find_device(cur->vendor, cur->device) != NULL) {
return (1);
}
cur++;
}
return (0);
}
#endif /* _LINUX_PCI_H_ */