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Date: Thu, 25 Jan 2024 13:08:22 +0100
From: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To: linux-pwm@...r.kernel.org,
Benson Leung <bleung@...omium.org>,
Claudiu Beznea <claudiu.beznea@...on.dev>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Florian Fainelli <florian.fainelli@...adcom.com>,
Ray Jui <rjui@...adcom.com>,
Scott Branden <sbranden@...adcom.com>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Paul Cercueil <paul@...pouillou.net>,
Vladimir Zapolskiy <vz@...ia.com>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Neil Armstrong <neil.armstrong@...aro.org>,
Kevin Hilman <khilman@...libre.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Palmer Dabbelt <palmer@...belt.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Fabrice Gasnier <fabrice.gasnier@...s.st.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Chen-Yu Tsai <wens@...e.org>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Samuel Holland <samuel@...lland.org>,
Andrzej Hajda <andrzej.hajda@...el.com>,
Robert Foss <rfoss@...nel.org>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Johan Hovold <johan@...nel.org>,
Alex Elder <elder@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jonathan Corbet <corbet@....net>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Jonathan Cameron <Jonathan.Cameron@...wei.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
James Clark <james.clark@....com>,
Hector Martin <marcan@...can.st>,
Sven Peter <sven@...npeter.dev>,
Alexander Shiyan <shc_work@...l.ru>,
Hans de Goede <hdegoede@...hat.com>,
Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
Conor Dooley <conor.dooley@...rochip.com>,
Daire McNamara <daire.mcnamara@...rochip.com>,
Jonathan Neuschäfer <j.neuschaefer@....net>,
Heiko Stuebner <heiko@...ech.de>,
Michael Walle <mwalle@...nel.org>,
Orson Zhai <orsonzhai@...il.com>,
Baolin Wang <baolin.wang@...ux.alibaba.com>,
Chunyan Zhang <zhang.lyra@...il.com>,
Hammer Hsieh <hammerh0314@...il.com>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
Sean Anderson <sean.anderson@...o.com>,
Michal Simek <michal.simek@....com>,
Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
Pavel Machek <pavel@....cz>,
Lee Jones <lee@...nel.org>,
Anjelique Melendez <quic_amelende@...cinc.com>,
Andi Shyti <andi.shyti@...nel.org>,
Lu Hongfei <luhongfei@...o.com>,
Bjorn Andersson <quic_bjorande@...cinc.com>,
Luca Weiss <luca@...tu.xyz>,
Kees Cook <keescook@...omium.org>
Cc: kernel@...gutronix.de,
Guenter Roeck <groeck@...omium.org>,
chrome-platform@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org,
Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
linux-mips@...r.kernel.org,
linux-mediatek@...ts.infradead.org,
Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
linux-amlogic@...ts.infradead.org,
linux-rpi-kernel@...ts.infradead.org,
Alim Akhtar <alim.akhtar@...sung.com>,
linux-samsung-soc@...r.kernel.org,
linux-riscv@...ts.infradead.org,
linux-stm32@...md-mailman.stormreply.com,
linux-sunxi@...ts.linux.dev,
Douglas Anderson <dianders@...omium.org>,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Jonas Karlman <jonas@...boo.se>,
dri-devel@...ts.freedesktop.org,
greybus-dev@...ts.linaro.org,
linux-staging@...ts.linux.dev,
linux-doc@...r.kernel.org,
Alyssa Rosenzweig <alyssa@...enzweig.io>,
asahi@...ts.linux.dev,
platform-driver-x86@...r.kernel.org,
linux-rockchip@...ts.infradead.org,
linux-tegra@...r.kernel.org,
linux-gpio@...r.kernel.org,
linux-leds@...r.kernel.org,
"Gustavo A. R. Silva" <gustavoars@...nel.org>,
linux-hardening@...r.kernel.org
Subject: [PATCH v5 000/111] pwm: Improve lifetime tracking for pwm_chips
Hello,
this is v5 of this series. The relevant changes since v4
(https://lore.kernel.org/linux-pwm/cover.1701860672.git.u.kleine-koenig@pengutronix.de):
- New first patch to reshuffle functions in core.c. This is a
preparation for the later changes which brings functions in a better
order to not need declarations.
- Fix kernel docs in several drivers
- Added a few ack and review tags received for v4
- non-trivially rebased to current pwm/for-next
(the changes to drivers/gpu/drm/bridge/ti-sn65dsi86.c were intrusive
enough to not add the ack tag by Robert Foss I got).
Handling got a bit more complicated with the recent addition of
pwm_apply_atomic/pwm_apply_might_sleep the locking got more complicated.
I didn't work out all the necessary details. So this series won't work
as is. However as there is probably some more coordination needed to get
the patches in that touch files outside of drivers/pwm and I'm confident
they can stay as is, I want to get the biggest part of this series in
(up to patch #106) during the next merge window and get them into next
soon. After that I can spend the time necessary to fix the locking maybe
to get the remaining bits in during the following merge window.
There are patches touching drivers/gpu/drm/bridge/ti-sn65dsi86.c (#37
and #104), drivers/staging/greybus/pwm.c (#38 and #106),
drivers/gpio/gpio-mvebu.c (#103) and drivers/leds/rgb/leds-qcom-lpg.c
(#105). These depend on earlier patches in this series (#3, #39 and #40)
The patches touching staging/greybus and leds-qcom-lpg already have a
maintainer ack, so I'd merge them via my tree. For the other two it
would be nice to get an ack to merge via my tree, too. But if you want
to merge via your own tree, please tell, so we can coordinate
accordingly.
Best regards
Uwe
Uwe Kleine-König (111):
pwm: Reorder symbols in core.c
pwm: cros-ec: Change prototype of helpers to prepare further changes
pwm: Provide a macro to get the parent device of a given chip
pwm: ab8500: Make use of pwmchip_parent() macro
pwm: atmel: Make use of pwmchip_parent() macro
pwm: atmel-tcb: Make use of pwmchip_parent() macro
pwm: bcm-kona: Make use of pwmchip_parent() macro
pwm: crc: Make use of pwmchip_parent() macro
pwm: cros-ec: Make use of pwmchip_parent() macro
pwm: dwc: Make use of pwmchip_parent() macro
pwm: ep93xx: Make use of pwmchip_parent() macro
pwm: fsl-ftm: Make use of pwmchip_parent() macro
pwm: img: Make use of parent device pointer in driver data
pwm: imx27: Make use of pwmchip_parent() macro
pwm: jz4740: Make use of pwmchip_parent() macro
pwm: lpc18xx-sct: Make use of parent device pointer in driver data
pwm: lpss: Make use of pwmchip_parent() macro
pwm: mediatek: Make use of pwmchip_parent() macro
pwm: meson: Make use of pwmchip_parent() macro
pwm: mtk-disp: Make use of pwmchip_parent() macro
pwm: omap: Make use of pwmchip_parent() macro
pwm: pca9685: Store parent device in driver data
pwm: raspberrypi-poe: Make use of pwmchip_parent() macro
pwm: rcar: Make use of pwmchip_parent() macro
pwm: rz-mtu3: Make use of pwmchip_parent() macro
pwm: samsung: Make use of pwmchip_parent() macro
pwm: sifive: Make use of pwmchip_parent() macro
pwm: stm32-lp: Make use of pwmchip_parent() macro
pwm: stm32: Make use of pwmchip_parent() macro
pwm: stmpe: Make use of pwmchip_parent() macro
pwm: sun4i: Make use of pwmchip_parent() macro
pwm: tiecap: Make use of pwmchip_parent() macro
pwm: tiehrpwm: Make use of pwmchip_parent() macro
pwm: twl-led: Make use of pwmchip_parent() macro
pwm: twl: Make use of pwmchip_parent() macro
pwm: vt8500: Make use of pwmchip_parent() macro
drm/bridge: ti-sn65dsi86: Make use of pwmchip_parent() macro
staging: greybus: pwm: Make use of pwmchip_parent() macro
pwm: Provide wrappers for storing and getting driver private data
pwm: Provide devm_pwmchip_alloc() function
pwm: ab8500: Make use of devm_pwmchip_alloc() function
pwm: apple: Make use of devm_pwmchip_alloc() function
pwm: atmel-hlcdc: Make use of devm_pwmchip_alloc() function
pwm: atmel: Make use of devm_pwmchip_alloc() function
pwm: atmel-tcb: Make use of devm_pwmchip_alloc() function
pwm: bcm2835: Make use of devm_pwmchip_alloc() function
pwm: bcm-iproc: Make use of devm_pwmchip_alloc() function
pwm: bcm-kona: Make use of devm_pwmchip_alloc() function
pwm: berlin: Make use of devm_pwmchip_alloc() function
pwm: brcmstb: Make use of devm_pwmchip_alloc() function
pwm: clk: Make use of devm_pwmchip_alloc() function
pwm: clps711x: Make use of devm_pwmchip_alloc() function
pwm: crc: Make use of devm_pwmchip_alloc() function
pwm: cros-ec: Make use of devm_pwmchip_alloc() function
pwm: dwc: Make use of devm_pwmchip_alloc() function
pwm: ep93xx: Make use of devm_pwmchip_alloc() function
pwm: fsl-ftm: Make use of devm_pwmchip_alloc() function
pwm: hibvt: Make use of devm_pwmchip_alloc() function
pwm: img: Make use of devm_pwmchip_alloc() function
pwm: imx1: Make use of devm_pwmchip_alloc() function
pwm: imx27: Make use of devm_pwmchip_alloc() function
pwm: imx-tpm: Make use of devm_pwmchip_alloc() function
pwm: intel-lgm: Make use of devm_pwmchip_alloc() function
pwm: iqs620a: Make use of devm_pwmchip_alloc() function
pwm: jz4740: Make use of devm_pwmchip_alloc() function
pwm: keembay: Make use of devm_pwmchip_alloc() function
pwm: lp3943: Make use of devm_pwmchip_alloc() function
pwm: lpc18xx-sct: Make use of devm_pwmchip_alloc() function
pwm: lpc32xx: Make use of devm_pwmchip_alloc() function
pwm: lpss-*: Make use of devm_pwmchip_alloc() function
pwm: mediatek: Make use of devm_pwmchip_alloc() function
pwm: meson: Make use of devm_pwmchip_alloc() function
pwm: microchip-core: Make use of devm_pwmchip_alloc() function
pwm: mtk-disp: Make use of devm_pwmchip_alloc() function
pwm: mxs: Make use of devm_pwmchip_alloc() function
pwm: ntxec: Make use of devm_pwmchip_alloc() function
pwm: omap-dmtimer: Make use of devm_pwmchip_alloc() function
pwm: pca9685: Make use of devm_pwmchip_alloc() function
pwm: pxa: Make use of devm_pwmchip_alloc() function
pwm: raspberrypi-poe: Make use of devm_pwmchip_alloc() function
pwm: rcar: Make use of devm_pwmchip_alloc() function
pwm: renesas-tpu: Make use of devm_pwmchip_alloc() function
pwm: rockchip: Make use of devm_pwmchip_alloc() function
pwm: rz-mtu3: Make use of devm_pwmchip_alloc() function
pwm: samsung: Make use of devm_pwmchip_alloc() function
pwm: sifive: Make use of devm_pwmchip_alloc() function
pwm: sl28cpld: Make use of devm_pwmchip_alloc() function
pwm: spear: Make use of devm_pwmchip_alloc() function
pwm: sprd: Make use of devm_pwmchip_alloc() function
pwm: sti: Make use of devm_pwmchip_alloc() function
pwm: stm32-lp: Make use of devm_pwmchip_alloc() function
pwm: stm32: Make use of devm_pwmchip_alloc() function
pwm: stmpe: Make use of devm_pwmchip_alloc() function
pwm: sun4i: Make use of devm_pwmchip_alloc() function
pwm: sunplus: Make use of devm_pwmchip_alloc() function
pwm: tegra: Make use of devm_pwmchip_alloc() function
pwm: tiecap: Make use of devm_pwmchip_alloc() function
pwm: twl-led: Make use of devm_pwmchip_alloc() function
pwm: twl: Make use of devm_pwmchip_alloc() function
pwm: visconti: Make use of devm_pwmchip_alloc() function
pwm: vt8500: Make use of devm_pwmchip_alloc() function
pwm: xilinx: Make use of devm_pwmchip_alloc() function
gpio: mvebu: Make use of devm_pwmchip_alloc() function
drm/bridge: ti-sn65dsi86: Make use of devm_pwmchip_alloc() function
leds: qcom-lpg: Make use of devm_pwmchip_alloc() function
staging: greybus: pwm: Make use of devm_pwmchip_alloc() function
pwm: Ensure that pwm_chips are allocated using pwmchip_alloc()
pwm: Ensure a struct pwm has the same lifetime as its pwm_chip
pwm: Ensure the memory backing a PWM chip isn't freed while used
pwm: Make pwmchip_[sg]et_drvdata() a wrapper around dev_set_drvdata()
WIP: pwm: Add support for pwmchip devices for faster and easier
userspace access
.../driver-api/driver-model/devres.rst | 1 +
Documentation/driver-api/pwm.rst | 10 +-
drivers/gpio/gpio-mvebu.c | 18 +-
drivers/gpu/drm/bridge/ti-sn65dsi86.c | 31 +-
drivers/leds/rgb/leds-qcom-lpg.c | 16 +-
drivers/pwm/Kconfig | 4 -
drivers/pwm/Makefile | 3 +-
drivers/pwm/core.c | 958 ++++++++++++------
drivers/pwm/pwm-ab8500.c | 36 +-
drivers/pwm/pwm-apple.c | 18 +-
drivers/pwm/pwm-atmel-hlcdc.c | 35 +-
drivers/pwm/pwm-atmel-tcb.c | 26 +-
drivers/pwm/pwm-atmel.c | 37 +-
drivers/pwm/pwm-bcm-iproc.c | 19 +-
drivers/pwm/pwm-bcm-kona.c | 21 +-
drivers/pwm/pwm-bcm2835.c | 19 +-
drivers/pwm/pwm-berlin.c | 29 +-
drivers/pwm/pwm-brcmstb.c | 17 +-
drivers/pwm/pwm-clk.c | 27 +-
drivers/pwm/pwm-clps711x.c | 17 +-
drivers/pwm/pwm-crc.c | 22 +-
drivers/pwm/pwm-cros-ec.c | 58 +-
drivers/pwm/pwm-dwc-core.c | 25 +-
drivers/pwm/pwm-dwc.c | 18 +-
drivers/pwm/pwm-dwc.h | 9 +-
drivers/pwm/pwm-ep93xx.c | 21 +-
drivers/pwm/pwm-fsl-ftm.c | 48 +-
drivers/pwm/pwm-hibvt.c | 25 +-
drivers/pwm/pwm-img.c | 51 +-
drivers/pwm/pwm-imx-tpm.c | 34 +-
drivers/pwm/pwm-imx1.c | 20 +-
drivers/pwm/pwm-imx27.c | 26 +-
drivers/pwm/pwm-intel-lgm.c | 17 +-
drivers/pwm/pwm-iqs620a.c | 37 +-
drivers/pwm/pwm-jz4740.c | 36 +-
drivers/pwm/pwm-keembay.c | 17 +-
drivers/pwm/pwm-lp3943.c | 17 +-
drivers/pwm/pwm-lpc18xx-sct.c | 35 +-
drivers/pwm/pwm-lpc32xx.c | 21 +-
drivers/pwm/pwm-lpss-pci.c | 10 +-
drivers/pwm/pwm-lpss-platform.c | 10 +-
drivers/pwm/pwm-lpss.c | 34 +-
drivers/pwm/pwm-lpss.h | 1 -
drivers/pwm/pwm-mediatek.c | 29 +-
drivers/pwm/pwm-meson.c | 57 +-
drivers/pwm/pwm-microchip-core.c | 17 +-
drivers/pwm/pwm-mtk-disp.c | 25 +-
drivers/pwm/pwm-mxs.c | 32 +-
drivers/pwm/pwm-ntxec.c | 30 +-
drivers/pwm/pwm-omap-dmtimer.c | 47 +-
drivers/pwm/pwm-pca9685.c | 98 +-
drivers/pwm/pwm-pxa.c | 19 +-
drivers/pwm/pwm-raspberrypi-poe.c | 20 +-
drivers/pwm/pwm-rcar.c | 25 +-
drivers/pwm/pwm-renesas-tpu.c | 18 +-
drivers/pwm/pwm-rockchip.c | 24 +-
drivers/pwm/pwm-rz-mtu3.c | 39 +-
drivers/pwm/pwm-samsung.c | 57 +-
drivers/pwm/pwm-sifive.c | 30 +-
drivers/pwm/pwm-sl28cpld.c | 13 +-
drivers/pwm/pwm-spear.c | 18 +-
drivers/pwm/pwm-sprd.c | 50 +-
drivers/pwm/pwm-sti.c | 34 +-
drivers/pwm/pwm-stm32-lp.c | 29 +-
drivers/pwm/pwm-stm32.c | 53 +-
drivers/pwm/pwm-stmpe.c | 58 +-
drivers/pwm/pwm-sun4i.c | 38 +-
drivers/pwm/pwm-sunplus.c | 17 +-
drivers/pwm/pwm-tegra.c | 27 +-
drivers/pwm/pwm-tiecap.c | 55 +-
drivers/pwm/pwm-tiehrpwm.c | 72 +-
drivers/pwm/pwm-twl-led.c | 58 +-
drivers/pwm/pwm-twl.c | 50 +-
drivers/pwm/pwm-visconti.c | 17 +-
drivers/pwm/pwm-vt8500.c | 41 +-
drivers/pwm/pwm-xilinx.c | 34 +-
drivers/pwm/sysfs.c | 64 +-
drivers/staging/greybus/pwm.c | 130 +--
include/linux/platform_data/x86/pwm-lpss.h | 4 +-
include/linux/pwm.h | 39 +-
include/uapi/linux/pwm.h | 23 +
81 files changed, 1870 insertions(+), 1555 deletions(-)
create mode 100644 include/uapi/linux/pwm.h
base-commit: 6530623212338fc0902e211ea624e790aacb00ef
--
2.43.0
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