From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=54.92.39.34 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792725369; b=VnlpBkgrr9oI+xffpWf+ctlnVDuIjbc5OnoO8lNG4fFvJwnJzuyD0c7ApN1q0yFYMqtM zA3OfbEbwD14+ISrTJBdaoUP5jYWn2Gb87Ag+X9mbx4DNBZMPFFZjaf+vXYGkDYS/gQzu 5ZEf6SvmtBuivpztaSE4sXVKTBt7R8AZywvl5kUOb2GvqNAJM+nh6zxaTx69J0mYs5eQP AYGZiHKCkyIK8QBnoKu0Q96TbCQpCf8vfgbGocAMbresBFrAwCM72XwII0ugNJoTHEk0u h9lUhPltNXKltcNO/J2tmnlxM9c3vYeASFsNROqWzMRiZWyh4wnpSbMAa17znkuf6Kw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792725369; h=DMARC-Filter:DKIM-Signature:X-QQ-mid:X-QQ-Originating-IP:Received: X-QQ-SSF:X-QQ-GoodBg:X-BIZMAIL-ID:EX-QQ-RecipientCnt:From:To:Cc: Subject:Date:Message-Id:X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding:X-QQ-SENDSIZE:Feedback-ID:X-QQ-XMAILINFO: X-QQ-XMRINFO:X-QQ-RECHKSPAM; bh=53T+lOsiCJxQyCBaXPSx/2ETRZB4EWLtPkyWmCEPcuY=; b=QMfHgjNnYiknoF/qVN/uP+UICZWG4cQMcBznDRKugv6iSGTrd7x7YEflhcMNdsg6V6Wn RCwT0VjvYEfoGQIpiqb0vLkbfhiqFZ21qiwzi3dwq6glwS6rnttmtpNWjjeEy9dhFuQ48 Gz3DE2wmmncZENpL1VhxHPA7p1jBLqUpLm44hplNNnZbD5FnvYbHrwKKzqgoZOlLoig/M YxZxfQiiUgi5ZomErcs5K0jK5v9v6VLClgfRPWaaBqUF9a5Gqr0K1JoPEvkuGVXMHIGni MBDEWvUEfQulB5HAr36XasNtue5qry5ozzgKcBysk3bQdrNttUf3+HAyHpXT8JrZUYA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none header.from=linux.spacemit.com; spf=none smtp.mailfrom=linux.spacemit.com; dkim=pass header.d=linux.spacemit.com header.i=@linux.spacemit.com header.a=rsa-sha256 header.s=mxsw2412 header.b="xpT7y5/h"; arc=none smtp.remote-ip=54.92.39.34 Received: from smtpbgjp3.qq.com (smtpbgjp3.qq.com [54.92.39.34]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8555F606A31B for ; Fri, 23 Oct 2026 03:16:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 8555F606A31B Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux.spacemit.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.spacemit.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.spacemit.com header.i=@linux.spacemit.com header.a=rsa-sha256 header.s=mxsw2412 header.b=xpT7y5/h DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.spacemit.com; s=mxsw2412; t=1792725319; bh=53T+lOsiCJxQyCBaXPSx/2ETRZB4EWLtPkyWmCEPcuY=; h=From:To:Subject:Date:Message-Id:MIME-Version; b=xpT7y5/hfXp6eLS5ThWsOGoEZol4oBPN+tRUXj4nKkqhPZgS4BmXko85uy8SmfLlE hW0wjIlVRmNun2+PmWXH4nROp+Drm/ysGAL4jy1Wm5JszsGZ4q17O7zr2WTFSaUVhH wUGgaJiK7lE2cIE1NxrHr0iIQ+LgXwOVmiFb8enc= X-QQ-mid: esmtpsz11t1792725313t965ea44f X-QQ-Originating-IP: p7vMAcqPWqfRfANcWnhRaUeK6HXYkU330FgkFSMDiWA= Received: from snode5.. ( [120.237.158.181]) by bizesmtp.qq.com (ESMTP) with id ; Fri, 23 Oct 2026 11:15:11 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 18378101809454944597 EX-QQ-RecipientCnt: 26 From: Zane Leung To: gregkh@linuxfoundation.org, palmer@dabbelt.com, pjw@kernel.org, alexander.shishkin@linux.intel.com, suzuki.poulose@arm.com, mchitale@gmail.com, anup@brainfault.org, irogers@google.com Cc: mike.leach@arm.com, james.clark@linaro.org, leo.yan@arm.com, peterz@infradead.org, mingo@redhat.com, namhyung@kernel.org, mark.rutland@arm.com, jolsa@kernel.org, adrian.hunter@intel.com, alex@ghiti.fr, atish.patra@linux.dev, andrew.jones@oss.qualcomm.com, sunilvl@oss.qualcomm.com, liangzhen@linux.spacemit.com, zhuangqiubin@linux.spacemit.com, coresight@lists.linaro.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 01/24] gtrace: Move connection release into component unregister Date: Fri, 23 Oct 2026 11:14:42 +0800 Message-Id: <20261023031505.2020925-2-liangzhen@linux.spacemit.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20261023031505.2020925-1-liangzhen@linux.spacemit.com> References: <20261023031505.2020925-1-liangzhen@linux.spacemit.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: esmtpsz:linux.spacemit.com:qybglogicsvrgz:qybglogicsvrgz6b-0 X-QQ-XMAILINFO: M5Uz2rwrqRnRDryVVoY5gU250CnF8xGmc4B3U1V6Xu6G9qhTpoYXwlL5 wkdVlq2pslKK9vRqqdVFhDs/g3wqDtYxu5ogWLjaMzJILa7G914UojwqKoIJp0mAA7D7z+v W9KoMF7Q7BHriFHFnoCAjv3kY9zgDqAbvqM2MkmY2/bQt8ImeoXWReuTmqRAAhkHkJd/acZ +gKjvQCid2avSjAVsBmXDDMt8nLJFsxd2ArF8gt6b6gbpyWV4TVNfovpuMHrDSgKtdCeYBS 6LONNCpN2YTPyVJw7pdlYv1PbZKfkitQQJemgryfMhxdP7bVR3bPl5fZ52xj5DgsM2hXwI/ pIBgjXamrqIU9mOPgaGdwK8U6R+H2nlXeLnxe7tIwNMJGdEjGFQjrYi4JHNiUKswu1zIaDD 66iG1bmfoAgu9qbwppR60SBhtI/epknAumMYm0573gMOCH8rbFBhqrfV0pAdEKRtA7IKsix 2LpjJ/4y0tAi60jxuYspTKt3wkNvoxDkkdvwP9fcIcWnjZd8tyZSv/rMANQtYYQ3pxBwQrz UG4En+PG2HHjvbLBxa5DJZhlNfDT9Hfi7ZXDCHTvq0XVStG17BGVIuzbaciaxVDKwhgIlRw HIZ2+CiyQU+kUxg0L9HT8Cs5UJ6h3bNPf31dX/1Cgx2BxCl/hNO2s8uSZbnAglbG4hqHkHw r5/O0WkDM2gD4JddY2Jdk6HLyfBB7GyElYCGv32F1vpbydf2nk2bSx9uP4eRKUKjHXM2iE2 frahH8tWa3PzMjlwT19LQqZl/FlCICf2mkLqsBvGnhGlml39Osd12PZ+qyOmPljUCTWidzj PhiqsV3IwAcwYK/ZFN35Yv8qsOSG9Hco2hAmdf4mJBsjHT+Ym0dj3uDeVdzIvPdVzueKrvf EVuwX/pzCihhNC3ywZ/XRFricQHG3gyugoVy7tOpy9hs5H+hRD6jw+mW1Gecvx77dRHX/Yr /EYJQooedUJyc4cUoAEGrK+VTDnAg6yUeV8KI5EInIo/RTvRpcH8bth3D1+o6M4FExWnUL4 VjTlxqSQAJ3wfZNJbRFY6LkQjUXmynNKUYWhZZEw== X-QQ-XMRINFO: NyFYKkN4Ny6FuXrnB5Ye7Aabb3ujjtK+gg== X-QQ-RECHKSPAM: 0 Add gtrace_release_outconns() and call it from gtrace_unregister_component() so the output connection fwnode references are released in the core instead of being duplicated in every platform driver's remove callback. Signed-off-by: Zane Leung --- drivers/hwtracing/gtrace/gtrace-core.c | 15 +++++++++++++++ drivers/hwtracing/gtrace/rvtrace-platform.c | 9 --------- 2 files changed, 15 insertions(+), 9 deletions(-) diff --git a/drivers/hwtracing/gtrace/gtrace-core.c b/drivers/hwtracing/gtrace/gtrace-core.c index 034987237abc..5704e426abe8 100644 --- a/drivers/hwtracing/gtrace/gtrace-core.c +++ b/drivers/hwtracing/gtrace/gtrace-core.c @@ -479,10 +479,25 @@ struct gtrace_component *gtrace_register_component(struct gtrace_component_id *i } EXPORT_SYMBOL_GPL(gtrace_register_component); +static void gtrace_release_outconns(struct gtrace_component *comp) +{ + struct gtrace_platform_data *pdata = comp->pdata; + struct gtrace_connection *conn; + int i; + + for (i = 0; i < pdata->nr_outconns; i++) { + conn = pdata->outconns[i]; + if (conn && conn->dest_fwnode) + fwnode_handle_put(conn->dest_fwnode); + } +} + void gtrace_unregister_component(struct gtrace_component *comp) { struct gtrace_component *c; + gtrace_release_outconns(comp); + mutex_lock(>race_mutex); if (comp->pdata->bound_cpu >= 0) { diff --git a/drivers/hwtracing/gtrace/rvtrace-platform.c b/drivers/hwtracing/gtrace/rvtrace-platform.c index a5655e983e51..189ff0b8bc18 100644 --- a/drivers/hwtracing/gtrace/rvtrace-platform.c +++ b/drivers/hwtracing/gtrace/rvtrace-platform.c @@ -141,15 +141,6 @@ static int rvtrace_platform_probe(struct platform_device *pdev) static void rvtrace_platform_remove(struct platform_device *pdev) { struct gtrace_component *comp = platform_get_drvdata(pdev); - struct gtrace_platform_data *pdata = comp->pdata; - struct gtrace_connection *conn; - int i; - - for (i = 0; i < pdata->nr_outconns; i++) { - conn = pdata->outconns[i]; - if (conn && conn->dest_fwnode) - fwnode_handle_put(conn->dest_fwnode); - } gtrace_unregister_component(comp); } -- 2.34.1