Add the description that how the compatible property is involved in the fdtdec_get_pci_bdf() documentation.
Signed-off-by: Bin Meng bmeng.cn@gmail.com ---
include/fdtdec.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/fdtdec.h b/include/fdtdec.h index 1bc70db..eef78a7 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -346,7 +346,10 @@ int fdtdec_get_pci_vendev(const void *blob, int node,
/** * Look at the pci address of a device node that represents a PCI device - * and parse the bus, device and function number from it. + * and parse the bus, device and function number from it. For some cases + * like the bus number encoded in reg property is not correct after pci + * enumeration, this function looks through the node's compatible strings + * to get these numbers extracted instead. * * @param blob FDT blob * @param node node to examine