[U-Boot] [PATCH] fdtdec: Improve fdtdec_get_pci_bdf() documentation

[Simon Glass]

On 4 March 2015 at 00:08, Bin Meng <bmeng.cn at gmail.com> wrote:
> Add the description that how the compatible property is involved in
> the fdtdec_get_pci_bdf() documentation.
>
> Signed-off-by: Bin Meng <bmeng.cn at 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
> --
> 1.8.2.1
>

Acked-by: Simon Glass <sjg at chromium.org>