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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-231d4e97886sm126652165ad.146.2025.05.23.12.07.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 May 2025 12:07:55 -0700 (PDT) From: Unnathi Chalicheemala Date: Fri, 23 May 2025 12:07:42 -0700 Subject: [PATCH v7 3/3] firmware: qcom_scm: Check for waitq state in wait_for_wq_completion() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250523-multi_waitq_scm-v7-3-5b51b60ed396@oss.qualcomm.com> References: <20250523-multi_waitq_scm-v7-0-5b51b60ed396@oss.qualcomm.com> In-Reply-To: <20250523-multi_waitq_scm-v7-0-5b51b60ed396@oss.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@oss.qualcomm.com, Prasad Sodagudi , Satya Durga Srinivasu Prabhala , Trilok Soni , Unnathi Chalicheemala X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1748027270; l=956; i=unnathi.chalicheemala@oss.qualcomm.com; s=20240514; h=from:subject:message-id; bh=D0xORoC11ef1b8XnmpFCtI0ADFqZVD+IG8XxNMK2QjE=; b=yd/3KdrfWRyyINpbCMDlshSQ8pxWotIQv8EtjntZ329GjkV1bES6yLijTcQ8uMNFkBuWjm50O O6XQ+tjD5fbDSbtR7nC9bfkJfNbhhNM6rLBYxPOUeuAKrtkpLvTj1dr X-Developer-Key: i=unnathi.chalicheemala@oss.qualcomm.com; a=ed25519; pk=o+hVng49r5k2Gc/f9xiwzvR3y1q4kwLOASwo+cFowXI= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTIzMDE3NCBTYWx0ZWRfXzq+8SSXtE1Gw 7XNwWFKu6z4LhRWeg9ZTzO9wYOZXpe6nLtw8D0d8h6MmkBng5fyWi9zHM8C3wQ35Ujuab7ZxryL 7KOGjL5nlD6ANQEMqAQ3GX899Vj6I1DhY+5qSAuQDFQEnkAZaos7cIo7rC/tr7npTOTa6gscyN2 iIRi4Tdi1u9UCH3r67BwGomNDqXgbnENCrA8gvDDQc7gAm8DNgyclrIM3I/kCvxxnJtZfzJl/6X /3cK3msg2DNenUSxznpBcavBQAXRFaXNxfUfrRkZ7+px+on7zt+/0F2ya/EnHbS4y2Zz8s5wjEc 7zFSKxIqb9yvKltfU9ocOsB9KN1RA/a/T60SIFx2ciQ7NfDD/EZPM0xOPUZogvzqWf7DfSQP9oI CyZsSiJ7zzA1j2oWpAGZqSyiQx2rU4e3vebUZy6LfjjhyntLPoToumEuxGWtEdX1v0QI67ca X-Proofpoint-GUID: oo596yjFaDmff8vOBNDE0-jIS6e2ILey X-Authority-Analysis: v=2.4 cv=Ws8rMcfv c=1 sm=1 tr=0 ts=6830c78d cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=EUspDBNiAAAA:8 a=X2av7gLQQKfhQ01XcpoA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-ORIG-GUID: oo596yjFaDmff8vOBNDE0-jIS6e2ILey X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-23_06,2025-05-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 clxscore=1015 suspectscore=0 mlxscore=0 bulkscore=0 phishscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 mlxlogscore=896 adultscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505160000 definitions=main-2505230174 Modify wait_for_wq_completion() to check if task is in idle state using wait_for_completion_state(). This allows for detecting when waitq contexts are in idle state and propagates it to __scm_smc_do(), which is beneficial when task is idle and waiting for a kick to accept new requests. Signed-off-by: Unnathi Chalicheemala --- drivers/firmware/qcom/qcom_scm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_= scm.c index c2682e9bde58b6f132af0c1bc2e194db0e401e3b..b8ce02099584c4a87095cdc2dd6= 88cd28bd2dae3 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -2189,7 +2189,7 @@ int qcom_scm_wait_for_wq_completion(u32 wq_ctx) if (IS_ERR(wq)) return PTR_ERR(wq); =20 - wait_for_completion(wq); + wait_for_completion_state(wq, TASK_IDLE); =20 return 0; } --=20 2.34.1