Re: [PATCH v2 14/16] Xen: EFI: Parse DT parameters for Xen specific UEFI
From: Mark Rutland
Date: Mon Jan 18 2016 - 06:03:56 EST
On Fri, Jan 15, 2016 at 02:55:27PM +0800, Shannon Zhao wrote:
> From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
>
> Add a new function to parse DT parameters for Xen specific UEFI just
> like the way for normal UEFI. Then it could reuse the existing codes.
>
> Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
> ---
> drivers/firmware/efi/efi.c | 45 ++++++++++++++++++++++++++++++++++++++-------
> 1 file changed, 38 insertions(+), 7 deletions(-)
> @@ -520,15 +531,28 @@ static int __init fdt_find_uefi_params(unsigned long node, const char *uname,
> int depth, void *data)
> {
> struct param_info *info = data;
> + struct params *dt_params;
> + unsigned int size;
> const void *prop;
> void *dest;
> u64 val;
> int i, len;
>
> - if (depth != 1 || strcmp(uname, "chosen") != 0)
> - return 0;
> + if (efi_enabled(EFI_PARAVIRT)) {
> + if (depth != 2 || strcmp(uname, "uefi") != 0)
> + return 0;
Please check the full path rather than the leaf node name alone.
Mark.