From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CE6B532C942 for ; Fri, 3 Jul 2026 19:39:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783107569; cv=none; b=ONmUbJYVzcFjai+9LaG3CVX2H8ebKSG1nU7Tbwu4qHVMUZYo+5CMUtLPuMGAMdyldzZ4D+yF1iFoDYZHytCpUxA8HSn4z/8RjMM+5k0HfEkM589naKlIgbexZlzaqv+YFRZf5DiNnfwJJrHiKYWxpWaBWTTT/4OkT7zRuujdI4s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783107569; c=relaxed/simple; bh=gf0y849jqsWicWT8x2zXtY5gzlbXBv3ZHwVF2zzNRiU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=ilcBRiF3zuMm6dDscP6lQRUHq7CcIy+BSJv7dGkSFeTOT51QH5mxlOMG9N2rZQH5/g7X/6mhNJNyhgUFrIEhMMHAjn5NB5vl45C4Sue0QUoFlfnjk6dws4vRFTBwAvSCfLItiGTJNxXx1SD+paJGk8W0KVm52CT/jfZjw8g9CWw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=YEMeysY1; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=L4su3hCC; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="YEMeysY1"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="L4su3hCC" Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 663HjCok686575 for ; Fri, 3 Jul 2026 19:39:27 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to; s=qcppdkim1; bh=yuDgKoAlw/JRHunDNfGXYB YzhSRLVnjx2xmNmMEK1vs=; b=YEMeysY1/myhDao0i74e7TNlV74ktXTCfMwdq9 CR3QbS5AITeviE8hf9EJ30WAllVldtcYL4AMMm0/LzjQKzr0t0eqDF0S43incuSV MyApeWy7M1IbpM60LNShiFzTpmwg+/W0PKTj+Lp+cXYVgARiHsuxhXD426SvD7cT GGZrPR1QcL7iICOr24d23aBH8a/MPY5danZVa1/zTiMmF2fSUTDZMyH3oHPCfVAv 4nbvlJJiytEOZCVzenusm2J4e5XUbEHMVWQY64oswPjfiGG059bwY0hXxdENEoJ/ sJbKqjoPigEwtHk2s+fe6Ba9Tfz1f/tpFlGt1x1q0Mz2ipmQ== Received: from mail-pg1-f200.google.com (mail-pg1-f200.google.com [209.85.215.200]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4f64b5brk0-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Fri, 03 Jul 2026 19:39:26 +0000 (GMT) Received: by mail-pg1-f200.google.com with SMTP id 41be03b00d2f7-c891ed872ddso1481015a12.2 for ; Fri, 03 Jul 2026 12:39:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1783107566; x=1783712366; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=yuDgKoAlw/JRHunDNfGXYBYzhSRLVnjx2xmNmMEK1vs=; b=L4su3hCCMdFYIuBJEM12NFaEaRw+ZWrpRoUoyVEDZh11YUI4DjvK9ddaNZ0BMExuOd 2hZlmHNXLfT5J8fol4KPgg59lbmOlBJHJLvtyeCImy1jF/kSMAwbrvs4EsymejeyhoUS /D69VBuMEU9+bQrWlCo9Q4tGeOgT5oF8uflGGrEJlvxUMOhJacFTLRwWMaWR97u17Rpi xXWAwefS+ZCjHSKA5lVMOmvVHyBlDrgnI830dGEmuQEet0ynOmFsg9X8jg2fsX8v2jSh lnK1qZBLx5Yh+mty7iPWOejD9hF4OZEM8wC0ZwWLIYTv36W4CCsUu9hWMxrpqNm130fL nHbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783107566; x=1783712366; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=yuDgKoAlw/JRHunDNfGXYBYzhSRLVnjx2xmNmMEK1vs=; b=OMybU5+8Wk5RLiKQdfmSBu2tnM7xPRgG/GQtLBk4XVu08TjGPUVNBDxf+qQIY4ukSu tpfdXSOIwvxmEzNfqD3T1XtNMFqeWyuKnLsTkt6ZpjNOms5k+7z67je0csUswpLqKssb DxgKmcWsjhbn8UAk+qB4R7mICZ/klJe7NPaFgV9athKje9pMhHTmKSZjWnsXXadtHSAR MjvZarfjY1QQ78KKlU4kxwkoUie7H54mfp0q49K6dcCIJqnr87pXNf3hmt6fKQPcdX94 9KPlb3sahV304evdUdXd4dpChpbecdJ0Y2mmX06RWRVVOqFdg1Sz5PXISokrl3Lc8sjc v7Hw== X-Forwarded-Encrypted: i=1; AFNElJ/+0RR6UfyQqndT78x5Ju9lmB2iFyDf/akyi8RFZlsLlWcSFJh1ldzkOJZRMfhvvIXBNGdUPAm3WtVt@vger.kernel.org X-Gm-Message-State: AOJu0YwG7Wn22WUvu1Dg1T7vaz7a6TyI/Hff639HGORWxoFlbUAOw92B uHVXpKpVD66zH63riqpBiq6uJAGi1nICEvu9iYTKZ0DnffOxrOeQuKnP+IZh+EG5ZY5xf38Na0r TN7o/n1JcGhb+mkopbDYtv1hOivVqjYfjNLp5pQmClLukHhRNpPVtO+QvlGMkD4/N X-Gm-Gg: AfdE7ckMKBm6hWbj3Cn/Qlk/xoxV1Q3oXBENzO86t5pQD18exQ7DHwJKsevH0hZUA8u PWhauh7M+DH41eg/db38rDhRfD1RwJXgnDrY6/xHZlooD4hs/f/VwNkbUOjr/k/BKB72MzHWm7g HrfWZHzA5odwHbbI9z3qD4biPA5z/b3w9GykRQcV2+GHad58rNvXzdIVxs5IBExKXemc9wt1kU+ alVjIP60lJtPs+CFM4pA+DNYBYYJaiqf3e7WaDsYpt5xF1PREAeTH9sjEiTBbKn9rcqByvybIZP E01e4sObBNvg6daFNO4pXVSPXMhq7qUzjPOvb8XJE0oJ23qgdOY+VrOtGcRWya98Jd0Ki2PRhBx PlFgoAoUerVmQ4sj9gcPkaZGQ5A37jSlX2mXKRQ== X-Received: by 2002:a05:6a21:4c81:b0:3bf:e291:496c with SMTP id adf61e73a8af0-3c03e298475mr701941637.17.1783107565966; Fri, 03 Jul 2026 12:39:25 -0700 (PDT) X-Received: by 2002:a05:6a21:4c81:b0:3bf:e291:496c with SMTP id adf61e73a8af0-3c03e298475mr701865637.17.1783107565344; Fri, 03 Jul 2026 12:39:25 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-30f290b6bc2sm10065845eec.27.2026.07.03.12.39.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Jul 2026 12:39:24 -0700 (PDT) From: Mukesh Ojha To: Bjorn Andersson , Konrad Dybcio , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Joel Stanley , Andrew Jeffery , Paul Cercueil , Anitha Chrisanthus , Paul Kocialkowski , Linus Walleij , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Alexey Brodkin , Laurent Pinchart , Tomi Valkeinen , Michal Simek , Daniel Scally , Jacopo Mondi , Mauro Carvalho Chehab , Eddie James , Tiffany Lin , Andrew-CT Chen , Yunfei Dong , Minghsiu Tsai , Houlong Wei , Matthias Brugger , AngeloGioacchino Del Regno , Joseph Liu , Marvin Lin , Dmitry Osipenko , Krzysztof Kozlowski , Thierry Reding , Jonathan Hunter , Srinivas Kandagatla , Arnd Bergmann , Greg Kroah-Hartman , Ge Gordon , Adrian Hunter , Ulf Hansson , Rob Herring , Saravana Kannan , Mathieu Poirier , Jaroslav Kysela , Takashi Iwai , Shengjiu Wang , Xiubo Li , Liam Girdwood , Mark Brown , Frank Li , Sascha Hauer , Peter Ujfalusi , Bard Liao , Daniel Baluta , Orson Zhai , Baolin Wang , Peter Chen , Fugang Duan Cc: Ekansh Gupta , BST Linux Kernel Upstream Group , Fabio Estevam , Nicolin Chen , Pengutronix Kernel Team , Kai Vehmanen , Pierre-Louis Bossart , Vijendar Mukunda , Chunyan Zhang , CIX Linux Kernel Upstream Group , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-media@vger.kernel.org, openbmc@lists.ozlabs.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, linux-tegra@vger.kernel.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-staging@lists.linux.dev, linux-sound@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, imx@lists.linux.dev, sound-open-firmware@alsa-project.org, Mukesh Ojha Subject: [PATCH 00/42] of: reserved_mem: Introduce devres helpers and convert drivers Date: Sat, 4 Jul 2026 01:08:13 +0530 Message-ID: <20260703193855.110619-1-mukesh.ojha@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAzMDE5OCBTYWx0ZWRfX6f4+UIr0j3m8 Ntx4Ku6lVP9KqYFSvBhQKovNcfNHEM/iw26Rbbx6hTYltTtidGLNvzRneLfVxGseg42TtDre092 eDT1XjHj/JHY//2HQIX0mUn4ZU+MPho= X-Authority-Analysis: v=2.4 cv=FOQrAeos c=1 sm=1 tr=0 ts=6a480fee cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=c_1ikP4J58vCyc_cPHMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-ORIG-GUID: jDY53ZJMamaRe90kLJb3XTFwapQHznz3 X-Proofpoint-GUID: jDY53ZJMamaRe90kLJb3XTFwapQHznz3 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAzMDE5OCBTYWx0ZWRfXwvlijkqV8hz1 T3yvh9CQab9JJyuK0lZWLdupMkSY+WV3xRngau1xQl08FhSCgngZszcF85ZYDVCtJ4I9279lF9F uJAHGpXUP/pITgIvM2Y07QWIK2kSJEDN4WnBqZ19uLUzd4/zRHBYYbNgwS/dGFnvA3hKgucL7he Z8EUYeWn4aDnQplGi9dx7i2oGRxRKS9Em5C9carQVlagIoOlqEsTaXmTP1GO6o+x1ze89QGzGLw Ggczu/Crs+j4xDRo0USKP8nrsdem/O+wjrf3SrHsSqU7mn/jFEnN6E0rwFoxDoiYwfY+lCTN/W2 HO6X5HvzFsX+TKyvDKC2NXs3HS/wokUgIvt15FaFaItolW74ZcuezEXTveSiQPg31wXzTVmZOkE YjhchtoRpDPb+RaNua94Y6/h66rh2dXzmpWswYTzNgShoaarxBcTZPBc6iKrayLcYczrPUudV/E UmS0HfOCamPF+TMC6yg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-03_03,2026-07-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 adultscore=0 clxscore=1015 malwarescore=0 phishscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607030198 Drivers using of_reserved_mem_device_init() and its variants must manually call of_reserved_mem_device_release() in their remove and error-unwind paths. This is repetitive boilerplate that is easy to get wrong, and several drivers have open-coded the teardown inconsistently or skipped it entirely, leading to dangling reserved memory references. This series introduces devres-managed wrappers — devm_of_reserved_mem_device_init(), devm_of_reserved_mem_device_init_by_idx(), and devm_of_reserved_mem_device_init_by_name() — that tie the reserved memory region lifetime to the device, releasing it automatically on unbind. The remaining 40 patches convert drivers across the drm, media, ASoC, remoteproc, firmware, mmc, memory and misc subsystems to use these helpers, yielding a net reduction of ~90 lines of boilerplate. This series depends on https://lore.kernel.org/lkml/20260703164457.4040457-1-mukesh.ojha@oss.qualcomm.com/ Konrad Dybcio (1): of: reserved_mem: Introduce devres-managed initialization functions Mukesh Ojha (41): of: reserved_mem: Add devm_of_reserved_mem_device_init_by_name() firmware: qcom: scm: Use devm_of_reserved_mem_device_init() remoteproc: da8xx: Use devm_of_reserved_mem_device_init() remoteproc: keystone: Use devm_of_reserved_mem_device_init() media: synopsys: hdmirx: Use devm_of_reserved_mem_device_init() remoteproc: omap: Use devm_of_reserved_mem_device_init() drm: logicvc: Use devm_of_reserved_mem_device_init() drm: hdlcd: Use devm_of_reserved_mem_device_init() drm: pl111: Use devm_of_reserved_mem_device_init() remoteproc: mtk_scp: Use devm_of_reserved_mem_device_init() media: aspeed: Use devm_of_reserved_mem_device_init() media: nuvoton: npcm-video: Use devm_of_reserved_mem_device_init() memory: tegra210-emc: Use devm_of_reserved_mem_device_init_by_name() drm: komeda: Use devm_of_reserved_mem_device_init() drm: malidp: Use devm_of_reserved_mem_device_init() drm: ingenic: Use devm_of_reserved_mem_device_init() drm: kmb: Use devm_of_reserved_mem_device_init() drm: sun4i: Use devm_of_reserved_mem_device_init() drm: xlnx: zynqmp_dpsub: Use devm_of_reserved_mem_device_init() media: arm: mali-c55: Use devm_of_reserved_mem_device_init() media: mediatek: vpu: Use devm_of_reserved_mem_device_init() mmc: sdhci-of-bst: Use devm_of_reserved_mem_device_init_by_idx() remoteproc: ti_k3: Use devm_of_reserved_mem_device_init() ASoC: mediatek: mt8192: Use devm_of_reserved_mem_device_init() ASoC: mediatek: mt8196: Use devm_of_reserved_mem_device_init() ASoC: mediatek: mt8183: Use devm_of_reserved_mem_device_init() ASoC: mediatek: mt8189: Use devm_of_reserved_mem_device_init() ASoC: SOF: imx: Use devm_of_reserved_mem_device_init_by_name() staging: media: cedrus: Use devm_of_reserved_mem_device_init() ASoC: cix-ipbloq: Use devm_of_reserved_mem_device_init() drm: aspeed: Use devm_of_reserved_mem_device_init() drm: arcpgu: Use devm_of_reserved_mem_device_init() ASoC: mediatek: mt8173: Use devm_of_reserved_mem_device_init() ASoC: mediatek: mt8186: Use devm_of_reserved_mem_device_init() ASoC: mediatek: mt8188: Use devm_of_reserved_mem_device_init() ASoC: mediatek: mt8195: Use devm_of_reserved_mem_device_init() ASoC: SOF: mediatek: mt8186: Use devm_of_reserved_mem_device_init() ASoC: SOF: mediatek: mt8195: Use devm_of_reserved_mem_device_init() misc: fastrpc: Use devm_of_reserved_mem_device_init() ASoC: fsl: imx-rpmsg: Use devm_of_reserved_mem_device_init_by_idx() ASoC: sprd: Use devm_of_reserved_mem_device_init() drivers/firmware/qcom/qcom_scm.c | 22 +++------ .../gpu/drm/arm/display/komeda/komeda_dev.c | 4 +- drivers/gpu/drm/arm/hdlcd_drv.c | 6 +-- drivers/gpu/drm/arm/malidp_drv.c | 4 +- drivers/gpu/drm/aspeed/aspeed_gfx_drv.c | 2 +- drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 13 +----- drivers/gpu/drm/kmb/kmb_drv.c | 12 +---- drivers/gpu/drm/logicvc/logicvc_drm.c | 21 ++++----- drivers/gpu/drm/pl111/pl111_drv.c | 4 +- drivers/gpu/drm/sun4i/sun4i_drv.c | 4 +- drivers/gpu/drm/tiny/arcpgu.c | 2 +- drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 4 +- .../platform/arm/mali-c55/mali-c55-core.c | 12 ++--- drivers/media/platform/aspeed/aspeed-video.c | 12 ++--- drivers/media/platform/mediatek/vpu/mtk_vpu.c | 3 +- drivers/media/platform/nuvoton/npcm-video.c | 9 +--- .../platform/synopsys/hdmirx/snps_hdmirx.c | 16 +------ drivers/memory/tegra/tegra210-emc-core.c | 21 ++++----- drivers/misc/fastrpc.c | 2 +- drivers/mmc/host/sdhci-of-bst.c | 7 +-- drivers/of/of_reserved_mem.c | 41 +++++++++++++++++ drivers/remoteproc/da8xx_remoteproc.c | 10 +--- drivers/remoteproc/keystone_remoteproc.c | 16 +------ drivers/remoteproc/mtk_scp.c | 3 +- drivers/remoteproc/omap_remoteproc.c | 13 +----- drivers/remoteproc/ti_k3_common.c | 13 +----- drivers/remoteproc/ti_k3_common.h | 1 - .../staging/media/sunxi/cedrus/cedrus_hw.c | 6 +-- include/linux/of_reserved_mem.h | 46 +++++++++++++++++++ sound/hda/controllers/cix-ipbloq.c | 2 +- sound/soc/fsl/imx-rpmsg.c | 2 +- sound/soc/mediatek/mt8173/mt8173-afe-pcm.c | 2 +- sound/soc/mediatek/mt8183/mt8183-afe-pcm.c | 13 +----- sound/soc/mediatek/mt8186/mt8186-afe-pcm.c | 2 +- sound/soc/mediatek/mt8188/mt8188-afe-pcm.c | 2 +- sound/soc/mediatek/mt8189/mt8189-afe-pcm.c | 16 +------ sound/soc/mediatek/mt8192/mt8192-afe-pcm.c | 11 +---- sound/soc/mediatek/mt8195/mt8195-afe-pcm.c | 2 +- sound/soc/mediatek/mt8196/mt8196-afe-pcm.c | 14 +----- sound/soc/sof/imx/imx-common.c | 9 ++-- sound/soc/sof/mediatek/mt8186/mt8186.c | 2 +- sound/soc/sof/mediatek/mt8195/mt8195.c | 2 +- sound/soc/sprd/sprd-pcm-dma.c | 3 +- 43 files changed, 162 insertions(+), 249 deletions(-) -- 2.53.0