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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-73e25a9a308sm3868948b3a.136.2025.04.25.16.48.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Apr 2025 16:48:10 -0700 (PDT) From: Unnathi Chalicheemala Date: Fri, 25 Apr 2025 16:48:03 -0700 Subject: [PATCH v6 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: <20250425-multi_waitq_scm-v6-3-cba8ca5a6d03@oss.qualcomm.com> References: <20250425-multi_waitq_scm-v6-0-cba8ca5a6d03@oss.qualcomm.com> In-Reply-To: <20250425-multi_waitq_scm-v6-0-cba8ca5a6d03@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=1745624885; l=956; i=unnathi.chalicheemala@oss.qualcomm.com; s=20240514; h=from:subject:message-id; bh=gwwTPMyq05pjTkKOQrslTYp8aVG/FQQzoFZPwY0uOew=; b=0CAPlycTtrHQjH6dpC9Sdnb9RW1CnD6mYUNayot61XtWt57KYcFiLU7eYQ6KnMoHBBYP18axg e2GNFHyEQhwDP6GZwlGtLFvVF7BGPj7iGY9+Jq776+O1DnCXYXdrONp X-Developer-Key: i=unnathi.chalicheemala@oss.qualcomm.com; a=ed25519; pk=o+hVng49r5k2Gc/f9xiwzvR3y1q4kwLOASwo+cFowXI= X-Proofpoint-GUID: onuzu49xmoNK5dnroFAc15Nn0MALp-Cs X-Proofpoint-ORIG-GUID: onuzu49xmoNK5dnroFAc15Nn0MALp-Cs X-Authority-Analysis: v=2.4 cv=Fv0F/3rq c=1 sm=1 tr=0 ts=680c1f3c cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=EUspDBNiAAAA:8 a=X2av7gLQQKfhQ01XcpoA:9 a=QEXdDO2ut3YA:10 a=IoOABgeZipijB_acs4fv:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNDI1MDE3MiBTYWx0ZWRfX7N7kzGJrW0y6 d8FeygITWCydtGl9+uzvSXaEvdaRbuHOPOY1Co8FB2a/fqAAs7Jo2gYBB+HxnRfy/z3GRAhWe5N +wVifLr6RabNV19oUDVH//dITv+i66QauJEQpfRIeAKvvPV0UZZhaKX3rhbXpOlDrMYfs2FnlJV s1Kc3wULGYJ5OkQljJ1gaaCyDuQDa0zU9PI7DXwT5MtlZR8zoDnb6MliJZlXhcF1JehI1ZgZQdn GFVdWaTABCtPEXkrreCsx5ykWuhw/oVZ+L8IoNGTR2tLyL2ZrYp8TEGljq52+iCkaD/6EVs52jd A7AxzGhdBIZiGaotMW3mWyK8suqWr72uw2OOq3dlylwRr0ecJRGO9B6gbajwmG9LqPx49cusvFK PMr9P7B2aLTc94DL2H04JP2bqdj1Xv0lEVZPpfsaIMQRHt/puVCzsWvv4k+r4vZtP/et+MCB 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=2025-04-25_07,2025-04-24_02,2025-02-21_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 malwarescore=0 mlxlogscore=892 priorityscore=1501 suspectscore=0 adultscore=0 bulkscore=0 clxscore=1015 spamscore=0 lowpriorityscore=0 phishscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2504070000 definitions=main-2504250172 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 9f8db13ef1ce14cc324fa9f0abf5c6a97ceb7b8b..a03c18fadd9c6ca6ab5fcd5e386= 834dcc3663eb8 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -2192,7 +2192,7 @@ 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