linux-kernel - [PATCH 0/3] ufs: qcom: Mark "core

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Message-Id: <20240129-ufs-core-reset-fix-v1-0-7ac628aa735f@linaro.org>
Date: Mon, 29 Jan 2024 13:22:03 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>, Avri Altman <avri.altman@....com>, 
 Bart Van Assche <bvanassche@....org>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Andy Gross <agross@...nel.org>, 
 Andy Gross <andy.gross@...aro.org>, 
 "James E.J. Bottomley" <jejb@...ux.ibm.com>, 
 "Martin K. Petersen" <martin.petersen@...cle.com>
Cc: linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH 0/3] ufs: qcom: Mark "core_reset" as required property

As concluded in [1], mark the "core_reset" (UFS host controller reset from GCC)
as required in the binding and also add the missing property in MSM8996 DT.

However, to keep backwards compatibility with old DT, the driver cannot make it
required. So it is still an optional property for the driver, but a comment has
been added to clarify this.

- Mani

[1] https://lore.kernel.org/linux-scsi/190651ad-6aeb-69eb-89c5-ed18221b5a7a@quicinc.com/

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
Manivannan Sadhasivam (3):
      dt-bindings: ufs: qcom: Make reset properties as required
      scsi: ufs: qcom: Clarify the comment of core_reset property
      arm64: dts: qcom: msm8996: Add missing UFS host controller reset

 Documentation/devicetree/bindings/ufs/qcom,ufs.yaml | 2 ++
 arch/arm64/boot/dts/qcom/msm8996.dtsi               | 2 ++
 drivers/ufs/host/ufs-qcom.c                         | 6 +++++-
 3 files changed, 9 insertions(+), 1 deletion(-)
---
base-commit: 6613476e225e090cc9aad49be7fa504e290dd33d
change-id: 20240129-ufs-core-reset-fix-1bd4ab266f64

Best regards,
-- 
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>