Re: FAILED: patch "[PATCH] dt-bindings: ata: ahci-ceva: Cover all 4 iommus entries" failed to apply to 5.15-stable tree

[Damien Le Moal <dlemoal@kernel.org>]

On 5/23/23 02:58, gregkh@linuxfoundation.org wrote:
> 
> The patch below does not apply to the 5.15-stable tree.
> If someone wants it applied there, or to any other stable or longterm
> tree, then please email the backport, including the original git commit
> id to <stable@vger.kernel.org>.
> 
> To reproduce the conflict and resubmit, you may use the following commands:
> 
> git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y
> git checkout FETCH_HEAD
> git cherry-pick -x a7844528722619d2f97740ae5ec747afff18c4be
> # <resolve conflicts, build, test, etc.>
> git commit -s
> git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2023052249-duplex-pampered-89cb@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^..
> 
> Possible dependencies:
> 
> a78445287226 ("dt-bindings: ata: ahci-ceva: Cover all 4 iommus entries")
> f2fb1b50fbac ("dt-bindings: ata: ahci-ceva: convert to yaml")

Mikal,

Do you need this patch added to 5.15 stable as well ? If yes, then please send a
backport. I think the issue is that the bindings file in 5.15 is not yaml format.

> 
> thanks,
> 
> greg k-h
> 
> ------------------ original commit in Linus's tree ------------------
> 
> From a7844528722619d2f97740ae5ec747afff18c4be Mon Sep 17 00:00:00 2001
> From: Michal Simek <michal.simek@amd.com>
> Date: Fri, 12 May 2023 13:52:04 +0200
> Subject: [PATCH] dt-bindings: ata: ahci-ceva: Cover all 4 iommus entries
> 
> Current only one entry is enabled but IP itself is using 4 different IDs
> which are already listed in zynqmp.dtsi.
> 
> sata: ahci@fd0c0000 {
> 	compatible = "ceva,ahci-1v84";
> 	...
> 	iommus = <&smmu 0x4c0>, <&smmu 0x4c1>,
> 		 <&smmu 0x4c2>, <&smmu 0x4c3>;
> };
> 
> Fixes: 8ac47837f0e0 ("arm64: dts: zynqmp: Add missing iommu IDs")
> Cc: stable@vger.kernel.org # v5.12+
> Signed-off-by: Michal Simek <michal.simek@amd.com>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
> 
> diff --git a/Documentation/devicetree/bindings/ata/ceva,ahci-1v84.yaml b/Documentation/devicetree/bindings/ata/ceva,ahci-1v84.yaml
> index 9b31f864e071..71364c6081ff 100644
> --- a/Documentation/devicetree/bindings/ata/ceva,ahci-1v84.yaml
> +++ b/Documentation/devicetree/bindings/ata/ceva,ahci-1v84.yaml
> @@ -32,7 +32,7 @@ properties:
>      maxItems: 1
>  
>    iommus:
> -    maxItems: 1
> +    maxItems: 4
>  
>    power-domains:
>      maxItems: 1
> 

-- 
Damien Le Moal
Western Digital Research