Re: [Xen-devel] [PATCH v2] xen/arm: domain_build: Add PSCI 1.0 compatibility

[Julien Grall <julien.grall@xxxxxxx>]

(CC Wei for release-ack)

Hello Dirk,

On 21/04/16 06:33, Dirk Behme wrote:
> Xen needs to blacklist any PSCI node as it will be recreated for DOM0.
> Up to now, this was done only for arm,psci and arm,psci-0.2 compatible
> nodes. Add PSCI 1.0 compatibility to make device tree nodes with
>
> compatible = "arm,psci-1.0";
>
> blacklisted, too
>
> Signed-off-by: Dirk Behme <dirk.behme@xxxxxxxxxxxx>
Acked-by: Julien Grall <julien.grall@xxxxxxx>

I think this is a bug fix for Xen 4.7. The impact is very limited and 
will help to boot Xen on platform when only PSCI 1.0 is supported.
The patch should also be backported to Xen 4.6 where the support of PSCI 
1.0 has been added for the first time.
Regards,

> ---
>   xen/arch/arm/domain_build.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
> index aba714c..00dc07a 100644
> --- a/xen/arch/arm/domain_build.c
> +++ b/xen/arch/arm/domain_build.c
> @@ -1190,6 +1190,7 @@ static int handle_node(struct domain *d, struct 
> kernel_info *kinfo,
>           DT_MATCH_COMPATIBLE("multiboot,module"),
>           DT_MATCH_COMPATIBLE("arm,psci"),
>           DT_MATCH_COMPATIBLE("arm,psci-0.2"),
> +        DT_MATCH_COMPATIBLE("arm,psci-1.0"),
>           DT_MATCH_COMPATIBLE("arm,cortex-a7-pmu"),
>           DT_MATCH_COMPATIBLE("arm,cortex-a15-pmu"),
>           DT_MATCH_COMPATIBLE("arm,armv8-pmuv3"),
--
Julien Grall

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