| Message ID | 20200408083251.v5.5.Ifb213e62095edbb017224d889263bb63c982c112@changeid |
|---|---|
| State | Accepted |
| Commit | f05970380e4c72a198cce29affc622a8e543b4de |
| Headers | show |
| Series | A few little patches | expand |
On Wed, Apr 08, 2020 at 08:32:59AM -0600, Simon Glass wrote: > U-Boot's BDF format has its bits in the same position as the device tree > PCI definition. > > Some x86 devices use linux format in their register format and it is > useful to be able to convert to U-Boot format. Add a macro for this. > > Signed-off-by: Simon Glass <sjg at chromium.org> Applied to u-boot/master, thanks!
diff --git a/include/pci.h b/include/pci.h index 174ddd4460d..aff56b24f92 100644 --- a/include/pci.h +++ b/include/pci.h @@ -543,6 +543,9 @@ typedef int pci_dev_t; #define PCI_VENDEV(v, d) (((v) << 16) | (d)) #define PCI_ANY_ID (~0) +/* Convert from Linux format to U-Boot format */ +#define PCI_TO_BDF(val) ((val) << 8) + struct pci_device_id { unsigned int vendor, device; /* Vendor and device ID or PCI_ANY_ID */ unsigned int subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */
U-Boot's BDF format has its bits in the same position as the device tree PCI definition. Some x86 devices use linux format in their register format and it is useful to be able to convert to U-Boot format. Add a macro for this. Signed-off-by: Simon Glass <sjg at chromium.org> --- Changes in v5: None Changes in v4: None include/pci.h | 3 +++ 1 file changed, 3 insertions(+)