[U-Boot] [PATCH] powerpc: Retain compatible property for L2 cache
york sun
york.sun at nxp.com
Wed Nov 30 18:18:17 CET 2016
On 11/28/2016 07:10 PM, Chris Packham wrote:
> Instead of setting the compatible property to "cache", append the
> desired value retaining what may already be set in the current property.
>
> Signed-off-by: Chris Packham <judge.packham at gmail.com>
> ---
<snip>
>
> arch/powerpc/cpu/mpc85xx/fdt.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
> index 047c972ac78e..f31df41836d5 100644
> --- a/arch/powerpc/cpu/mpc85xx/fdt.c
> +++ b/arch/powerpc/cpu/mpc85xx/fdt.c
> @@ -337,7 +337,8 @@ static inline void ft_fixup_l2cache(void *blob)
> fdt_setprop_cell(blob, l2_off, "cache-size", size);
> fdt_setprop_cell(blob, l2_off, "cache-sets", num_sets);
> fdt_setprop_cell(blob, l2_off, "cache-level", 2);
> - fdt_setprop(blob, l2_off, "compatible", "cache", 6);
> + if (fdt_node_check_compatible(blob, l2_off, "cache") == 1)
> + fdt_appendprop_string(blob, l2_off, "compatible", "cache");
> }
>
> if (l3_off < 0) {
>
You drop fdt_setprop, check the compatible "cache" and append it with
"cache" again? I thought you wanted
compatible = "fsl,t2080-l2-cache-controller", "cache";
York
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