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Petersen" CC: Alim Akhtar , Avri Altman , Bart Van Assche , , , , , , Subject: [PATCH V1 1/4] dt-bindings: ufs: qcom: Add qos property Date: Tue, 10 Oct 2023 21:19:04 +0530 Message-ID: <1696952947-18062-2-git-send-email-quic_mnaresh@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1696952947-18062-1-git-send-email-quic_mnaresh@quicinc.com> References: <1696952947-18062-1-git-send-email-quic_mnaresh@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: wsINolfMNBSY-OKbdSKEqhkvk7UIVfUb X-Proofpoint-ORIG-GUID: wsINolfMNBSY-OKbdSKEqhkvk7UIVfUb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-10_10,2023-10-10_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 mlxlogscore=888 malwarescore=0 adultscore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 suspectscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2310100117 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Add bindings for per-cpu QoS for QCOM UFS. This improves random io performance by 20% for QCOM UFS. Signed-off-by: Maramaina Naresh --- Documentation/devicetree/bindings/ufs/qcom,ufs.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml index 462ead5..d8b807e 100644 --- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml +++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml @@ -76,6 +76,14 @@ properties: $ref: /schemas/types.yaml#/definitions/phandle description: phandle to the Inline Crypto Engine node + qos: + minItems: 2 + maxItems: 2 + cpumask: + description: list of CPUs under CPU group + vote: + description: vote value for QoS CPU group + reg: minItems: 1 maxItems: 2 @@ -318,5 +326,13 @@ examples: <0 0>, <0 0>; qcom,ice = <&ice>; + qos0 { + cpumask = <0x0f>; + vote = <44>; + }; + qos1 { + cpumask = <0xf0>; + vote = <44>; + }; }; };