From: Johan Hovold <johan+linaro@kernel.org>
Date: Mon, 16 Jan 2023 16:42:36 +0000 (+0100)
Subject: scsi: ufs: qcom: dt-bindings: Allow 'dma-coherent' property
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=85e182b48a33a44f3e0cfe6e7ee9da15baa0afce;p=linux.git

scsi: ufs: qcom: dt-bindings: Allow 'dma-coherent' property

UFS controllers may be cache coherent and must be marked as such in the
devicetree to avoid data corruption.

This is specifically needed on recent Qualcomm platforms like SC8280XP.

Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230116164236.18958-1-johan+linaro@kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
index f2d6298d926c4..1f1d286749c02 100644
--- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
+++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
@@ -44,6 +44,8 @@ properties:
     minItems: 8
     maxItems: 11
 
+  dma-coherent: true
+
   interconnects:
     minItems: 2
     maxItems: 2