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Message-ID: <CAD=FV=VmV5yb0HWWGTiKyyC8+WNPJpM7vE9PQGh5_=KPk6+HCg@mail.gmail.com> Date: Mon, 28 Apr 2025 13:59:50 -0700 From: Doug Anderson <dianders@...omium.org> To: Luca Ceresoli <luca.ceresoli@...tlin.com> Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, Andrzej Hajda <andrzej.hajda@...el.com>, Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, Laurent Pinchart <Laurent.pinchart@...asonboard.com>, Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, Jagan Teki <jagan@...rulasolutions.com>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>, Fabio Estevam <festevam@...il.com>, Chun-Kuang Hu <chunkuang.hu@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>, Anusha Srivatsa <asrivats@...hat.com>, Paul Kocialkowski <paulk@...-base.io>, Dmitry Baryshkov <lumag@...nel.org>, Hui Pu <Hui.Pu@...ealthcare.com>, Thomas Petazzoni <thomas.petazzoni@...tlin.com>, dri-devel@...ts.freedesktop.org, asahi@...ts.linux.dev, linux-kernel@...r.kernel.org, chrome-platform@...ts.linux.dev, imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, linux-amlogic@...ts.infradead.org, linux-renesas-soc@...r.kernel.org, platform-driver-x86@...r.kernel.org, linux-samsung-soc@...r.kernel.org, linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org, linux-stm32@...md-mailman.stormreply.com, Adam Ford <aford173@...il.com>, Adrien Grassein <adrien.grassein@...il.com>, Aleksandr Mishin <amishin@...rgos.ru>, Andy Yan <andy.yan@...k-chips.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Benson Leung <bleung@...omium.org>, Biju Das <biju.das.jz@...renesas.com>, Christoph Fritz <chf.fritz@...glemail.com>, Cristian Ciocaltea <cristian.ciocaltea@...labora.com>, Detlev Casanova <detlev.casanova@...labora.com>, Dharma Balasubiramani <dharma.b@...rochip.com>, Guenter Roeck <groeck@...omium.org>, Heiko Stuebner <heiko@...ech.de>, Jani Nikula <jani.nikula@...el.com>, Janne Grunau <j@...nau.net>, Jerome Brunet <jbrunet@...libre.com>, Jesse Van Gavere <jesseevg@...il.com>, Kevin Hilman <khilman@...libre.com>, Kieran Bingham <kieran.bingham+renesas@...asonboard.com>, Liu Ying <victor.liu@....com>, Manikandan Muralidharan <manikandan.m@...rochip.com>, Martin Blumenstingl <martin.blumenstingl@...glemail.com>, Matthias Brugger <matthias.bgg@...il.com>, Philipp Zabel <p.zabel@...gutronix.de>, Phong LE <ple@...libre.com>, Sasha Finkelstein <fnkl.kernel@...il.com>, Sugar Zhang <sugar.zhang@...k-chips.com>, Sui Jingfeng <sui.jingfeng@...ux.dev>, Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>, Vitalii Mordan <mordan@...ras.ru> Subject: Re: [PATCH v2 01/34] drm: convert many bridge drivers from devm_kzalloc() to devm_drm_bridge_alloc() API Hi, On Thu, Apr 24, 2025 at 11:59 AM Luca Ceresoli <luca.ceresoli@...tlin.com> wrote: > > devm_drm_bridge_alloc() is the new API to be used for allocating (and > partially initializing) a private driver struct embedding a struct > drm_bridge. > > For many drivers having a simple code flow in the probe function, this > commit does a mass conversion automatically with the following semantic > patch. The changes have been reviewed manually for correctness as well as > to find any false positives. > > @@ > type T; > identifier C; > identifier BR; > expression DEV; > expression FUNCS; > @@ > -T *C; > +T *C; > ... > ( > -C = devm_kzalloc(DEV, ...); > -if (!C) > - return -ENOMEM; > +C = devm_drm_bridge_alloc(DEV, T, BR, FUNCS); > +if (IS_ERR(C)) > + return PTR_ERR(C); > | > -C = devm_kzalloc(DEV, ...); > -if (!C) > - return ERR_PTR(-ENOMEM); > +C = devm_drm_bridge_alloc(DEV, T, BR, FUNCS); > +if (IS_ERR(C)) > + return PTR_ERR(C); > ) > ... > -C->BR.funcs = FUNCS; > > Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com> > > --- > > Cc: Adam Ford <aford173@...il.com> > Cc: Adrien Grassein <adrien.grassein@...il.com> > Cc: Aleksandr Mishin <amishin@...rgos.ru> > Cc: Andy Yan <andy.yan@...k-chips.com> > Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com> > Cc: Benson Leung <bleung@...omium.org> > Cc: Biju Das <biju.das.jz@...renesas.com> > Cc: Christoph Fritz <chf.fritz@...glemail.com> > Cc: Cristian Ciocaltea <cristian.ciocaltea@...labora.com> > Cc: Detlev Casanova <detlev.casanova@...labora.com> > Cc: Dharma Balasubiramani <dharma.b@...rochip.com> > Cc: Guenter Roeck <groeck@...omium.org> > Cc: Heiko Stuebner <heiko@...ech.de> > Cc: Jani Nikula <jani.nikula@...el.com> > Cc: Janne Grunau <j@...nau.net> > Cc: Jerome Brunet <jbrunet@...libre.com> > Cc: Jesse Van Gavere <jesseevg@...il.com> > Cc: Kevin Hilman <khilman@...libre.com> > Cc: Kieran Bingham <kieran.bingham+renesas@...asonboard.com> > Cc: Liu Ying <victor.liu@....com> > Cc: Manikandan Muralidharan <manikandan.m@...rochip.com> > Cc: Martin Blumenstingl <martin.blumenstingl@...glemail.com> > Cc: Matthias Brugger <matthias.bgg@...il.com> > Cc: Philipp Zabel <p.zabel@...gutronix.de> > Cc: Phong LE <ple@...libre.com> > Cc: Sasha Finkelstein <fnkl.kernel@...il.com> > Cc: Sugar Zhang <sugar.zhang@...k-chips.com> > Cc: Sui Jingfeng <sui.jingfeng@...ux.dev> > Cc: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com> > Cc: Vitalii Mordan <mordan@...ras.ru> > > Changed in v2: > - added missing PTR_ERR() in the second spatch alternative > --- > drivers/gpu/drm/adp/adp-mipi.c | 8 ++++---- > drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 9 ++++----- > drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c | 9 ++++----- > drivers/gpu/drm/bridge/aux-bridge.c | 9 ++++----- > drivers/gpu/drm/bridge/aux-hpd-bridge.c | 9 +++++---- > drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c | 8 ++++---- > drivers/gpu/drm/bridge/chipone-icn6211.c | 9 ++++----- > drivers/gpu/drm/bridge/chrontel-ch7033.c | 8 ++++---- > drivers/gpu/drm/bridge/cros-ec-anx7688.c | 9 ++++----- > drivers/gpu/drm/bridge/fsl-ldb.c | 7 +++---- > drivers/gpu/drm/bridge/imx/imx-legacy-bridge.c | 9 ++++----- > drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pvi.c | 10 ++++------ > drivers/gpu/drm/bridge/imx/imx8qxp-pixel-link.c | 8 ++++---- > drivers/gpu/drm/bridge/imx/imx8qxp-pxl2dpi.c | 8 ++++---- > drivers/gpu/drm/bridge/ite-it6263.c | 9 ++++----- > drivers/gpu/drm/bridge/ite-it6505.c | 9 ++++----- > drivers/gpu/drm/bridge/ite-it66121.c | 9 ++++----- > drivers/gpu/drm/bridge/lontium-lt8912b.c | 9 ++++----- > drivers/gpu/drm/bridge/lontium-lt9211.c | 8 +++----- > drivers/gpu/drm/bridge/lontium-lt9611.c | 9 ++++----- > drivers/gpu/drm/bridge/lvds-codec.c | 9 ++++----- > drivers/gpu/drm/bridge/microchip-lvds.c | 8 ++++---- > drivers/gpu/drm/bridge/nwl-dsi.c | 8 ++++---- > drivers/gpu/drm/bridge/parade-ps8622.c | 9 ++++----- > drivers/gpu/drm/bridge/parade-ps8640.c | 9 ++++----- > drivers/gpu/drm/bridge/sii9234.c | 9 ++++----- > drivers/gpu/drm/bridge/sil-sii8620.c | 9 ++++----- > drivers/gpu/drm/bridge/simple-bridge.c | 10 ++++------ > drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c | 8 ++++---- > drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 8 ++++---- > drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c | 8 ++++---- > drivers/gpu/drm/bridge/tc358762.c | 9 ++++----- > drivers/gpu/drm/bridge/tc358764.c | 9 ++++----- > drivers/gpu/drm/bridge/tc358768.c | 9 ++++----- > drivers/gpu/drm/bridge/tc358775.c | 9 ++++----- > drivers/gpu/drm/bridge/thc63lvd1024.c | 8 ++++---- > drivers/gpu/drm/bridge/ti-dlpc3433.c | 9 ++++----- > drivers/gpu/drm/bridge/ti-tdp158.c | 8 ++++---- > drivers/gpu/drm/bridge/ti-tfp410.c | 9 ++++----- > drivers/gpu/drm/bridge/ti-tpd12s015.c | 9 ++++----- > drivers/gpu/drm/mediatek/mtk_dp.c | 9 ++++----- > drivers/gpu/drm/mediatek/mtk_dpi.c | 9 ++++----- > drivers/gpu/drm/mediatek/mtk_dsi.c | 9 ++++----- > drivers/gpu/drm/mediatek/mtk_hdmi.c | 9 ++++----- > drivers/gpu/drm/meson/meson_encoder_cvbs.c | 12 ++++++------ > drivers/gpu/drm/meson/meson_encoder_dsi.c | 12 ++++++------ > drivers/gpu/drm/meson/meson_encoder_hdmi.c | 12 ++++++------ > drivers/gpu/drm/renesas/rcar-du/rcar_lvds.c | 9 ++++----- > drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c | 10 ++++------ > 49 files changed, 201 insertions(+), 237 deletions(-) Reviewed-by: Douglas Anderson <dianders@...omium.org> # parade-ps8640 Tested-by: Douglas Anderson <dianders@...omium.org> # parade-ps8640
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