From: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
To: Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Liviu Dudau <liviu.dudau@arm.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Joel Stanley <joel@jms.id.au>,
Andrew Jeffery <andrew@codeconstruct.com.au>,
Paul Cercueil <paul@crapouillou.net>,
Anitha Chrisanthus <anitha.chrisanthus@intel.com>,
Paul Kocialkowski <paulk@sys-base.io>,
Linus Walleij <linusw@kernel.org>, Chen-Yu Tsai <wens@kernel.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Samuel Holland <samuel@sholland.org>,
Alexey Brodkin <abrodkin@synopsys.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
Michal Simek <michal.simek@amd.com>,
Daniel Scally <dan.scally@ideasonboard.com>,
Jacopo Mondi <jacopo.mondi@ideasonboard.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Eddie James <eajames@linux.ibm.com>,
Tiffany Lin <tiffany.lin@mediatek.com>,
Andrew-CT Chen <andrew-ct.chen@mediatek.com>,
Yunfei Dong <yunfei.dong@mediatek.com>,
Minghsiu Tsai <minghsiu.tsai@mediatek.com>,
Houlong Wei <houlong.wei@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Joseph Liu <kwliu@nuvoton.com>, Marvin Lin <kflin@nuvoton.com>,
Dmitry Osipenko <dmitry.osipenko@collabora.com>,
Krzysztof Kozlowski <krzk@kernel.org>,
Thierry Reding <thierry.reding@kernel.org>,
Jonathan Hunter <jonathanh@nvidia.com>,
Srinivas Kandagatla <srini@kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Ge Gordon <gordon.ge@bst.ai>,
Adrian Hunter <adrian.hunter@intel.com>,
Ulf Hansson <ulfh@kernel.org>, Rob Herring <robh@kernel.org>,
Saravana Kannan <saravanak@kernel.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
Shengjiu Wang <shengjiu.wang@gmail.com>,
Xiubo Li <Xiubo.Lee@gmail.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>, Frank Li <Frank.Li@nxp.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Peter Ujfalusi <peter.ujfalusi@linux.intel.com>,
Bard Liao <yung-chuan.liao@linux.intel.com>,
Daniel Baluta <daniel.baluta@nxp.com>,
Orson Zhai <orsonzhai@gmail.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Peter Chen <peter.chen@cixtech.com>,
Fugang Duan <fugang.duan@cixtech.com>
Cc: Ekansh Gupta <ekansh.gupta@oss.qualcomm.com>,
BST Linux Kernel Upstream Group <bst-upstream@bstai.top>,
Fabio Estevam <festevam@gmail.com>,
Nicolin Chen <nicoleotsuka@gmail.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Kai Vehmanen <kai.vehmanen@linux.intel.com>,
Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>,
Vijendar Mukunda <Vijendar.Mukunda@amd.com>,
Chunyan Zhang <zhang.lyra@gmail.com>,
CIX Linux Kernel Upstream Group <cix-kernel-upstream@cixtech.com>,
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 <mukesh.ojha@oss.qualcomm.com>
Subject: [PATCH 00/42] of: reserved_mem: Introduce devres helpers and convert drivers
Date: Sat, 4 Jul 2026 01:08:13 +0530 [thread overview]
Message-ID: <20260703193855.110619-1-mukesh.ojha@oss.qualcomm.com> (raw)
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
next reply other threads:[~2026-07-03 19:39 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-03 19:38 Mukesh Ojha [this message]
2026-07-03 19:38 ` [PATCH 01/42] of: reserved_mem: Introduce devres-managed initialization functions Mukesh Ojha
2026-07-03 19:38 ` [PATCH 02/42] of: reserved_mem: Add devm_of_reserved_mem_device_init_by_name() Mukesh Ojha
2026-07-03 19:38 ` [PATCH 03/42] firmware: qcom: scm: Use devm_of_reserved_mem_device_init() Mukesh Ojha
2026-07-03 23:12 ` Dmitry Baryshkov
2026-07-06 8:32 ` Konrad Dybcio
2026-07-03 19:38 ` [PATCH 04/42] remoteproc: da8xx: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 05/42] remoteproc: keystone: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 06/42] media: synopsys: hdmirx: " Mukesh Ojha
2026-07-06 15:00 ` Dmitry Osipenko
2026-07-03 19:38 ` [PATCH 07/42] remoteproc: omap: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 08/42] drm: logicvc: " Mukesh Ojha
2026-07-07 14:10 ` Paul Kocialkowski
2026-07-03 19:38 ` [PATCH 09/42] drm: hdlcd: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 10/42] drm: pl111: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 11/42] remoteproc: mtk_scp: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 12/42] media: aspeed: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 13/42] media: nuvoton: npcm-video: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 14/42] memory: tegra210-emc: Use devm_of_reserved_mem_device_init_by_name() Mukesh Ojha
2026-07-03 19:38 ` [PATCH 15/42] drm: komeda: Use devm_of_reserved_mem_device_init() Mukesh Ojha
2026-07-03 19:38 ` [PATCH 16/42] drm: malidp: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 17/42] drm: ingenic: " Mukesh Ojha
2026-07-07 18:06 ` Paul Cercueil
2026-07-03 19:38 ` [PATCH 18/42] drm: kmb: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 19/42] drm: sun4i: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 20/42] drm: xlnx: zynqmp_dpsub: " Mukesh Ojha
2026-07-07 9:13 ` Pandey, Radhey Shyam
2026-07-03 19:38 ` [PATCH 21/42] media: arm: mali-c55: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 22/42] media: mediatek: vpu: " Mukesh Ojha
2026-07-03 19:38 ` [PATCH 23/42] mmc: sdhci-of-bst: Use devm_of_reserved_mem_device_init_by_idx() Mukesh Ojha
2026-07-03 19:38 ` [PATCH 24/42] remoteproc: ti_k3: Use devm_of_reserved_mem_device_init() Mukesh Ojha
2026-07-03 19:38 ` [PATCH 25/42] ASoC: mediatek: mt8192: " Mukesh Ojha
2026-07-06 12:16 ` Mark Brown
2026-07-03 19:38 ` [PATCH 26/42] ASoC: mediatek: mt8196: " Mukesh Ojha
2026-07-06 12:16 ` Mark Brown
2026-07-03 19:38 ` [PATCH 27/42] ASoC: mediatek: mt8183: " Mukesh Ojha
2026-07-06 12:17 ` Mark Brown
2026-07-03 19:38 ` [PATCH 28/42] ASoC: mediatek: mt8189: " Mukesh Ojha
2026-07-06 12:18 ` Mark Brown
2026-07-03 19:38 ` [PATCH 29/42] ASoC: SOF: imx: Use devm_of_reserved_mem_device_init_by_name() Mukesh Ojha
2026-07-06 12:19 ` Mark Brown
2026-07-03 19:38 ` [PATCH 30/42] staging: media: cedrus: Use devm_of_reserved_mem_device_init() Mukesh Ojha
2026-07-07 14:05 ` Paul Kocialkowski
2026-07-03 19:38 ` [PATCH 31/42] ASoC: cix-ipbloq: " Mukesh Ojha
2026-07-06 12:20 ` Mark Brown
2026-07-07 1:34 ` Gary Yang
2026-07-03 19:38 ` [PATCH 32/42] drm: aspeed: " Mukesh Ojha
2026-07-05 19:40 ` [PATCH 33/42] drm: arcpgu: " Mukesh Ojha
2026-07-05 19:40 ` [PATCH 34/42] ASoC: mediatek: mt8173: " Mukesh Ojha
2026-07-05 19:40 ` [PATCH 35/42] ASoC: mediatek: mt8186: " Mukesh Ojha
2026-07-05 19:40 ` [PATCH 36/42] ASoC: mediatek: mt8188: " Mukesh Ojha
2026-07-05 19:40 ` [PATCH 37/42] ASoC: mediatek: mt8195: " Mukesh Ojha
2026-07-05 19:40 ` [PATCH 38/42] ASoC: SOF: mediatek: mt8186: " Mukesh Ojha
2026-07-05 19:40 ` [PATCH 39/42] ASoC: SOF: mediatek: mt8195: " Mukesh Ojha
2026-07-05 19:40 ` [PATCH 40/42] misc: fastrpc: " Mukesh Ojha
2026-07-06 4:55 ` Ekansh Gupta
2026-07-05 19:40 ` [PATCH 41/42] ASoC: fsl: imx-rpmsg: Use devm_of_reserved_mem_device_init_by_idx() Mukesh Ojha
2026-07-05 19:40 ` [PATCH 42/42] ASoC: sprd: Use devm_of_reserved_mem_device_init() Mukesh Ojha
2026-07-06 12:14 ` [PATCH 00/42] of: reserved_mem: Introduce devres helpers and convert drivers Mark Brown
2026-07-06 13:16 ` Mukesh Ojha
2026-07-07 11:39 ` Liviu Dudau
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