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From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Thierry Reding <thierry.reding@gmail.com>
Cc: "Linus Walleij" <linus.walleij@linaro.org>,
	"Bartosz Golaszewski" <brgl@bgdev.pl>,
	"Andy Shevchenko" <andy@kernel.org>,
	"Douglas Anderson" <dianders@chromium.org>,
	"Andrzej Hajda" <andrzej.hajda@intel.com>,
	"Neil Armstrong" <neil.armstrong@linaro.org>,
	"Robert Foss" <rfoss@kernel.org>,
	"Laurent Pinchart" <Laurent.pinchart@ideasonboard.com>,
	"Jonas Karlman" <jonas@kwiboo.se>,
	"Jernej Skrabec" <jernej.skrabec@gmail.com>,
	"David Airlie" <airlied@gmail.com>,
	"Daniel Vetter" <daniel@ffwll.ch>, "Pavel Machek" <pavel@ucw.cz>,
	"Lee Jones" <lee@kernel.org>, "Hector Martin" <marcan@marcan.st>,
	"Sven Peter" <sven@svenpeter.dev>,
	"Alyssa Rosenzweig" <alyssa@rosenzweig.io>,
	"Nicolas Ferre" <nicolas.ferre@microchip.com>,
	"Alexandre Belloni" <alexandre.belloni@bootlin.com>,
	"Claudiu Beznea" <claudiu.beznea@microchip.com>,
	"Ray Jui" <rjui@broadcom.com>,
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	"Broadcom internal kernel review list"
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	"Alexander Shiyan" <shc_work@mail.ru>,
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	"Sascha Hauer" <s.hauer@pengutronix.de>,
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	"Conor Dooley" <conor.dooley@microchip.com>,
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	"Matthias Brugger" <matthias.bgg@gmail.com>,
	"AngeloGioacchino Del Regno"
	<angelogioacchino.delregno@collabora.com>,
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	"Heiko Stuebner" <heiko@sntech.de>,
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	"Alim Akhtar" <alim.akhtar@samsung.com>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
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	"Alexandre Torgue" <alexandre.torgue@foss.st.com>,
	"Chen-Yu Tsai" <wens@csie.org>,
	"Samuel Holland" <samuel@sholland.org>,
	"Hammer Hsieh" <hammerh0314@gmail.com>,
	"Jonathan Hunter" <jonathanh@nvidia.com>,
	"Nobuhiro Iwamatsu" <nobuhiro1.iwamatsu@toshiba.co.jp>,
	"Sean Anderson" <sean.anderson@seco.com>,
	"Michal Simek" <michal.simek@amd.com>,
	"Johan Hovold" <johan@kernel.org>,
	"Alex Elder" <elder@kernel.org>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	linux-pwm@vger.kernel.org, linux-gpio@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org,
	asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	linux-rpi-kernel@lists.infradead.org,
	chrome-platform@lists.linux.dev, linux-mips@vger.kernel.org,
	linux-amlogic@lists.infradead.org,
	linux-riscv@lists.infradead.org,
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	greybus-dev@lists.linaro.org, linux-staging@lists.linux.dev
Subject: [PATCH 0/2] pwm: Manage owner assignment implicitly for drivers
Date: Thu,  3 Aug 2023 16:06:30 +0200	[thread overview]
Message-ID: <20230803140633.138165-1-u.kleine-koenig@pengutronix.de> (raw)

Hello,

while working on the pwm core I noticed that pwm-crc doesn't assign
.owner in its pwm_ops structure. This isn't a problem in practise though
as this driver can only be compiled built-in (up to now).

Still prevent future pwm drivers not assigning .owner by wrapping
pwmchip_add() in a macro that automates owner handling simplifying each
driver a (tiny) bit.

I also found that there is no hard reason to only compile pwm-crc as a
built-in on x86, so this limitation is lifted in the second patch.

Best regards
Uwe

Uwe Kleine-König (2):
  pwm: Manage owner assignment implicitly for drivers
  pwm: crc: Allow compilation as module and with COMPILE_TEST

 drivers/gpio/gpio-mvebu.c             |  1 -
 drivers/gpu/drm/bridge/ti-sn65dsi86.c |  1 -
 drivers/leds/rgb/leds-qcom-lpg.c      |  1 -
 drivers/pwm/Kconfig                   |  4 ++--
 drivers/pwm/core.c                    | 20 +++++++++++---------
 drivers/pwm/pwm-ab8500.c              |  1 -
 drivers/pwm/pwm-apple.c               |  1 -
 drivers/pwm/pwm-atmel-hlcdc.c         |  1 -
 drivers/pwm/pwm-atmel-tcb.c           |  1 -
 drivers/pwm/pwm-atmel.c               |  1 -
 drivers/pwm/pwm-bcm-iproc.c           |  1 -
 drivers/pwm/pwm-bcm-kona.c            |  1 -
 drivers/pwm/pwm-bcm2835.c             |  1 -
 drivers/pwm/pwm-berlin.c              |  1 -
 drivers/pwm/pwm-brcmstb.c             |  1 -
 drivers/pwm/pwm-clk.c                 |  1 -
 drivers/pwm/pwm-clps711x.c            |  1 -
 drivers/pwm/pwm-crc.c                 |  5 ++++-
 drivers/pwm/pwm-cros-ec.c             |  1 -
 drivers/pwm/pwm-dwc.c                 |  1 -
 drivers/pwm/pwm-ep93xx.c              |  1 -
 drivers/pwm/pwm-fsl-ftm.c             |  1 -
 drivers/pwm/pwm-hibvt.c               |  1 -
 drivers/pwm/pwm-img.c                 |  1 -
 drivers/pwm/pwm-imx-tpm.c             |  1 -
 drivers/pwm/pwm-imx1.c                |  1 -
 drivers/pwm/pwm-imx27.c               |  1 -
 drivers/pwm/pwm-intel-lgm.c           |  1 -
 drivers/pwm/pwm-iqs620a.c             |  1 -
 drivers/pwm/pwm-jz4740.c              |  1 -
 drivers/pwm/pwm-keembay.c             |  1 -
 drivers/pwm/pwm-lp3943.c              |  1 -
 drivers/pwm/pwm-lpc18xx-sct.c         |  1 -
 drivers/pwm/pwm-lpc32xx.c             |  1 -
 drivers/pwm/pwm-lpss.c                |  1 -
 drivers/pwm/pwm-mediatek.c            |  1 -
 drivers/pwm/pwm-meson.c               |  1 -
 drivers/pwm/pwm-microchip-core.c      |  1 -
 drivers/pwm/pwm-mtk-disp.c            |  1 -
 drivers/pwm/pwm-mxs.c                 |  1 -
 drivers/pwm/pwm-ntxec.c               |  1 -
 drivers/pwm/pwm-omap-dmtimer.c        |  1 -
 drivers/pwm/pwm-pca9685.c             |  1 -
 drivers/pwm/pwm-pxa.c                 |  1 -
 drivers/pwm/pwm-raspberrypi-poe.c     |  1 -
 drivers/pwm/pwm-rcar.c                |  1 -
 drivers/pwm/pwm-renesas-tpu.c         |  1 -
 drivers/pwm/pwm-rockchip.c            |  1 -
 drivers/pwm/pwm-rz-mtu3.c             |  1 -
 drivers/pwm/pwm-samsung.c             |  1 -
 drivers/pwm/pwm-sifive.c              |  1 -
 drivers/pwm/pwm-sl28cpld.c            |  1 -
 drivers/pwm/pwm-spear.c               |  1 -
 drivers/pwm/pwm-sprd.c                |  1 -
 drivers/pwm/pwm-sti.c                 |  1 -
 drivers/pwm/pwm-stm32-lp.c            |  1 -
 drivers/pwm/pwm-stm32.c               |  1 -
 drivers/pwm/pwm-stmpe.c               |  1 -
 drivers/pwm/pwm-sun4i.c               |  1 -
 drivers/pwm/pwm-sunplus.c             |  1 -
 drivers/pwm/pwm-tegra.c               |  1 -
 drivers/pwm/pwm-tiecap.c              |  1 -
 drivers/pwm/pwm-tiehrpwm.c            |  1 -
 drivers/pwm/pwm-twl-led.c             |  2 --
 drivers/pwm/pwm-twl.c                 |  2 --
 drivers/pwm/pwm-visconti.c            |  1 -
 drivers/pwm/pwm-vt8500.c              |  1 -
 drivers/pwm/pwm-xilinx.c              |  1 -
 drivers/staging/greybus/pwm.c         |  1 -
 include/linux/pwm.h                   |  8 +++++---
 70 files changed, 22 insertions(+), 83 deletions(-)


base-commit: 3ccb179aa40d931eb00ef8910d7b812a95659563
-- 
2.39.2


             reply	other threads:[~2023-08-03 14:09 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-03 14:06 Uwe Kleine-König [this message]
2023-08-03 14:06 ` [PATCH 1/2] pwm: Manage owner assignment implicitly for drivers Uwe Kleine-König
2023-08-03 21:53   ` Laurent Pinchart
2023-08-03 14:06 ` [PATCH 2/2] pwm: crc: Allow compilation as module and with COMPILE_TEST Uwe Kleine-König

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