[PATCH v2 1/6] riscv: do not set default fdt for VisionFive 2

[Leo Liang]

On Thu, Mar 21, 2024 at 07:11:44PM +0100, Heinrich Schuchardt wrote:
> Currently in set_fdtfile() we set the value of environment variable fdtfile
> unconditionally. The implies that a value in the environment will be
> ignored.
> 
> With the patch environment variable fdtfile will only be set if it does not
> yet exist. This requires that CONFIG_DEFAULT_FDT_FILE is not set.
> 
> Now the user can either set and save fdtfile interactively or in the U-Boot
> configuration to overrule the device-tree name chosen based on the
> hardware in set_fdtfile().
> 
> Reported-by: E Shattow <lucent at gmail.com>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
> ---
> v2:
> 	new patch
> ---
>  .../visionfive2/starfive_visionfive2.c         |  4 ++++
>  configs/starfive_visionfive2_defconfig         |  1 -
>  doc/board/starfive/visionfive2.rst             | 18 ++++++++++++++++++
>  3 files changed, 22 insertions(+), 1 deletion(-)

Reviewed-by: Leo Yu-Chi Liang <ycliang at andestech.com>