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Message-ID: <f9640827-4100-4ebf-8281-46f2d656540a@acm.org>
Date: Wed, 22 Nov 2023 09:53:53 -0800
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Subject: Re: [PATCH v2] dt-bindings: ufs: Add msi-parent for UFS MCQ
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To: Ziqi Chen <quic_ziqichen@quicinc.com>, quic_asutoshd@quicinc.com,
 quic_cang@quicinc.com, mani@kernel.org, stanley.chu@mediatek.com,
 adrian.hunter@intel.com, beanhuo@micron.com, avri.altman@wdc.com,
 junwoo80.lee@samsung.com, martin.petersen@oracle.com,
 quic_nguyenb@quicinc.com, quic_nitirawa@quicinc.com
Cc: linux-scsi@vger.kernel.org, Alim Akhtar <alim.akhtar@samsung.com>,
 Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>, Guenter Roeck <linux@roeck-us.net>,
 Wolfram Sang <wsa@kernel.org>, Mark Brown <broonie@kernel.org>,
 "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
 <devicetree@vger.kernel.org>, open list <linux-kernel@vger.kernel.org>
References: <1700629624-23571-1-git-send-email-quic_ziqichen@quicinc.com>
From: Bart Van Assche <bvanassche@acm.org>
In-Reply-To: <1700629624-23571-1-git-send-email-quic_ziqichen@quicinc.com>
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On 11/21/23 21:06, Ziqi Chen wrote:
> diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Documentation/devicetree/bindings/ufs/ufs-common.yaml
> index 985ea8f..31fe7f3 100644
> --- a/Documentation/devicetree/bindings/ufs/ufs-common.yaml
> +++ b/Documentation/devicetree/bindings/ufs/ufs-common.yaml
> @@ -87,6 +87,8 @@ properties:
>       description:
>         Specifies max. load that can be drawn from VCCQ2 supply.
>   
> +  msi-parent: true
> +
>   dependencies:
>     freq-table-hz: [ clocks ]
>     operating-points-v2: [ clocks, clock-names ]

Does this patch break support for UFSHCI 4.0 controllers that do not support MSI?

Thanks,

Bart.