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Message-ID: <frrn4vofjuskb67rxrgnwqrsqioonglp7nidoueumgw2hemhxq@6hrsnivgobuw>
Date: Thu, 15 Feb 2024 12:46:48 +0100
From: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To: linux-pwm@...r.kernel.org, Jonathan Corbet <corbet@....net>,
Jonathan Cameron <Jonathan.Cameron@...wei.com>, James Clark <james.clark@....com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Mark Brown <broonie@...nel.org>,
Hector Martin <marcan@...can.st>, Sven Peter <sven@...npeter.dev>,
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>,
Alexander Shiyan <shc_work@...l.ru>, Benson Leung <bleung@...omium.org>,
Philipp Zabel <p.zabel@...gutronix.de>, Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>, Paul Cercueil <paul@...pouillou.net>,
Vladimir Zapolskiy <vz@...ia.com>, Mika Westerberg <mika.westerberg@...ux.intel.com>,
Andy Shevchenko <andy@...nel.org>, Linus Walleij <linus.walleij@...aro.org>,
Hans de Goede <hdegoede@...hat.com>, Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
Matthias Brugger <matthias.bgg@...il.com>,
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Daire McNamara <daire.mcnamara@...rochip.com>, Jonathan Neuschäfer <j.neuschaefer@....net>,
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Lee Jones <lee@...nel.org>, Anjelique Melendez <quic_amelende@...cinc.com>,
Bjorn Andersson <quic_bjorande@...cinc.com>, Kees Cook <keescook@...omium.org>, Rob Herring <robh@...nel.org>,
Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Douglas Anderson <dianders@...omium.org>, linux-doc@...r.kernel.org,
dri-devel@...ts.freedesktop.org, platform-driver-x86@...r.kernel.org,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>, Alim Akhtar <alim.akhtar@...sung.com>,
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linux-sunxi@...ts.linux.dev, Jonas Karlman <jonas@...boo.se>,
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linux-arm-kernel@...ts.infradead.org, greybus-dev@...ts.linaro.org,
"Gustavo A. R. Silva" <gustavoars@...nel.org>, linux-mips@...r.kernel.org, asahi@...ts.linux.dev,
kernel@...gutronix.de, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v6 000/164] pwm: Improve lifetime tracking for pwm_chips
Hello,
On Wed, Feb 14, 2024 at 10:30:47AM +0100, Uwe Kleine-König wrote:
> this is v6 of the series introducing better lifetime tracking for
> pwmchips that addresses (for now theoretic) lifetime issues of pwm
> chips. Addressing these is a necessary precondition to introduce chardev
> support for PWMs.
>
> Locking got more complicated due to non-sleeping chips, so I dropped
> the character device patch because it got still more incomplete now.
> Also I'm not yet entirely sure about patches #162 and #163 and I expect
> them to change before they can go in. My plan for the next merge window
> is to get the patches in up to #160. After that the addition of chardev
> support (including correct locking) can continue without having to touch
> the lowlevel driver. So the idea of this series is to get the driver
> adaptions out of the way as this requires some cross-tree coordination.
>
> The patches that touch files outside of drivers/pwm include:
>
> - gpio: mvebu: Make use of devm_pwmchip_alloc() function
> It already has an Ack by Linus Walleij.
>
> - drm/bridge: ti-sn65dsi86: Make use of pwmchip_parent() accessor
> - drm/bridge: ti-sn65dsi86: Make use of devm_pwmchip_alloc() function
> The 2nd already has an Ack by Douglas Anderson which I tend to assume
> good enough to merge this via my pwm tree, too. An Ack for the first
> patch would be nice.
>
> - leds: qcom-lpg: Make use of devm_pwmchip_alloc() function
> Already has an Ack by Lee Jones.
>
> - staging: greybus: pwm: Change prototype of helpers to prepare further changes
> - staging: greybus: pwm: Make use of pwmchip_parent() accessor
> - staging: greybus: pwm: Rely on pwm framework to pass a valid hwpwm
> - staging: greybus: pwm: Drop unused gb_connection_set_data()
> - staging: greybus: pwm: Rework how the number of PWM lines is determined
> - staging: greybus: pwm: Make use of devm_pwmchip_alloc() function
> The greybus patches already got an Ack by Greg Kroah-Hartman in an
> earlier series, but I dropped it as the patches changed considerably.
After getting the needed acks, I pushed out this series in
https://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux.git pwm/for-next
up to patch #161.
(But don't let you stop looking at the changes, reviews are still
welcome.)
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | https://www.pengutronix.de/ |
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