From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Cc: "Andy Shevchenko" <andy@kernel.org>,
nikita.shubin@maquefel.me,
"Hartley Sweeten" <hsweeten@visionengravers.com>,
"Lennert Buytenhek" <kernel@wantstofly.org>,
"Russell King" <linux@armlinux.org.uk>,
"Lukasz Majewski" <lukma@denx.de>,
"Linus Walleij" <linus.walleij@linaro.org>,
"Bartosz Golaszewski" <brgl@bgdev.pl>,
"Rob Herring" <robh+dt@kernel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Michael Turquette" <mturquette@baylibre.com>,
"Stephen Boyd" <sboyd@kernel.org>,
"Daniel Lezcano" <daniel.lezcano@linaro.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Alessandro Zummo" <a.zummo@towertech.it>,
"Alexandre Belloni" <alexandre.belloni@bootlin.com>,
"Wim Van Sebroeck" <wim@linux-watchdog.org>,
"Guenter Roeck" <linux@roeck-us.net>,
"Sebastian Reichel" <sre@kernel.org>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Mark Brown" <broonie@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Vinod Koul" <vkoul@kernel.org>,
"Miquel Raynal" <miquel.raynal@bootlin.com>,
"Richard Weinberger" <richard@nod.at>,
"Vignesh Raghavendra" <vigneshr@ti.com>,
"Damien Le Moal" <dlemoal@kernel.org>,
"Sergey Shtylyov" <s.shtylyov@omp.ru>,
"Dmitry Torokhov" <dmitry.torokhov@gmail.com>,
"Arnd Bergmann" <arnd@arndb.de>,
"Olof Johansson" <olof@lixom.net>,
soc@kernel.org, "Liam Girdwood" <lgirdwood@gmail.com>,
"Jaroslav Kysela" <perex@perex.cz>,
"Takashi Iwai" <tiwai@suse.com>,
"Michael Peters" <mpeters@embeddedts.com>,
"Kris Bahnsen" <kris@embeddedts.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
devicetree@vger.kernel.org, linux-clk@vger.kernel.org,
linux-rtc@vger.kernel.org, linux-watchdog@vger.kernel.org,
linux-pm@vger.kernel.org, linux-pwm@vger.kernel.org,
linux-spi@vger.kernel.org, netdev@vger.kernel.org,
dmaengine@vger.kernel.org, linux-mtd@lists.infradead.org,
linux-ide@vger.kernel.org, linux-input@vger.kernel.org,
alsa-devel@alsa-project.org
Subject: Re: [PATCH v3 14/42] power: reset: Add a driver for the ep93xx reset
Date: Mon, 13 Nov 2023 12:22:56 +0200 [thread overview]
Message-ID: <CAHp75VcsF8GtmE2iDf2xPWi7U5WXhi1ZFUSeA_Y+TfHQn72Jrg@mail.gmail.com> (raw)
In-Reply-To: <fcfdc6f05926db494ea0105e5523cc21ecfdf4e7.camel@gmail.com>
On Mon, Nov 13, 2023 at 12:07 PM Alexander Sverdlin
<alexander.sverdlin@gmail.com> wrote:
> On Fri, 2023-07-21 at 19:37 +0300, Andy Shevchenko wrote:
> > > + /* Issue the reboot */
> ^^^^^^^^^^^^^^^^^^^^^^
> This is the relevant comment, one can extend it, but looks already quite
> informative considering EP93XX_SYSCON_DEVCFG_SWRST register name.
This does not explain the necessity of the mdelay() below.
> But Nikita would be able to include more verbose comment if
> you'd have a suggestion.
Please,add one.
> > > + ep93xx_devcfg_set_clear(priv->map, EP93XX_SYSCON_DEVCFG_SWRST, 0x00);
> > > + ep93xx_devcfg_set_clear(priv->map, 0x00, EP93XX_SYSCON_DEVCFG_SWRST);
> >
> >
> > > + mdelay(1000);
> >
> > Atomic?! Such a huge delay must be explained, esp. why it's atomic.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2023-11-13 10:23 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230605-ep93xx-v3-0-3d63a5f1103e@maquefel.me>
2023-07-20 8:54 ` [PATCH v3 00/42] ep93xx device tree conversion Krzysztof Kozlowski
[not found] ` <20230605-ep93xx-v3-13-3d63a5f1103e@maquefel.me>
2023-07-20 8:54 ` [PATCH v3 13/42] watchdog: ep93xx: add DT support for Cirrus EP93xx Alexander Sverdlin
2023-07-20 13:29 ` Guenter Roeck
[not found] ` <20230605-ep93xx-v3-38-3d63a5f1103e@maquefel.me>
2023-07-20 9:40 ` [PATCH v3 38/42] ata: pata_ep93xx: remove legacy pinctrl use Sergey Shtylyov
2023-07-21 14:16 ` Andy Shevchenko
[not found] ` <20230605-ep93xx-v3-26-3d63a5f1103e@maquefel.me>
2023-07-20 9:45 ` [PATCH v3 26/42] ata: pata_ep93xx: add device tree support Sergey Shtylyov
[not found] ` <20230605-ep93xx-v3-12-3d63a5f1103e@maquefel.me>
2023-07-20 13:28 ` [PATCH v3 12/42] dt-bindings: watchdog: Add Cirrus EP93x Guenter Roeck
2023-07-21 14:08 ` Krzysztof Kozlowski
[not found] ` <20230605-ep93xx-v3-32-3d63a5f1103e@maquefel.me>
2023-07-20 13:30 ` [PATCH v3 32/42] wdt: ts72xx: add DT support for ts72xx Guenter Roeck
[not found] ` <20230605-ep93xx-v3-33-3d63a5f1103e@maquefel.me>
2023-07-20 14:49 ` [PATCH v3 33/42] gpio: ep93xx: add DT support for gpio-ep93xx Bartosz Golaszewski
[not found] ` <20230605-ep93xx-v3-1-3d63a5f1103e@maquefel.me>
2023-07-20 14:51 ` [PATCH v3 01/42] gpio: ep93xx: split device in multiple Bartosz Golaszewski
2023-07-21 13:18 ` Andy Shevchenko
[not found] ` <20230605-ep93xx-v3-3-3d63a5f1103e@maquefel.me>
[not found] ` <3fcb760c101c5f7081235290362f5c02.sboyd@kernel.org>
2023-07-21 13:46 ` [PATCH v3 03/42] clk: ep93xx: add DT support for Cirrus EP93xx Andy Shevchenko
[not found] ` <20230605-ep93xx-v3-2-3d63a5f1103e@maquefel.me>
2023-07-21 13:58 ` [PATCH v3 02/42] dt-bindings: clock: Add " Krzysztof Kozlowski
[not found] ` <20230605-ep93xx-v3-4-3d63a5f1103e@maquefel.me>
2023-07-21 14:01 ` [PATCH v3 04/42] dt-bindings: pinctrl: " Krzysztof Kozlowski
[not found] ` <20230605-ep93xx-v3-6-3d63a5f1103e@maquefel.me>
2023-07-21 14:04 ` [PATCH v3 06/42] dt-bindings: soc: " Krzysztof Kozlowski
[not found] ` <20230605-ep93xx-v3-10-3d63a5f1103e@maquefel.me>
2023-07-21 14:07 ` [PATCH v3 10/42] dt-bindings: rtc: " Krzysztof Kozlowski
[not found] ` <20230605-ep93xx-v3-34-3d63a5f1103e@maquefel.me>
2023-07-21 14:12 ` [PATCH v3 34/42] ARM: dts: add Cirrus EP93XX SoC .dtsi Krzysztof Kozlowski
[not found] ` <20230605-ep93xx-v3-35-3d63a5f1103e@maquefel.me>
2023-07-21 14:15 ` [PATCH v3 35/42] ARM: dts: ep93xx: add ts7250 board Krzysztof Kozlowski
[not found] ` <20230605-ep93xx-v3-41-3d63a5f1103e@maquefel.me>
2023-07-21 14:16 ` [PATCH v3 41/42] ARM: dts: ep93xx: Add EDB9302 DT Krzysztof Kozlowski
[not found] ` <20230605-ep93xx-v3-7-3d63a5f1103e@maquefel.me>
2023-07-21 14:13 ` [PATCH v3 07/42] soc: Add SoC driver for Cirrus ep93xx Andy Shevchenko
2023-11-11 21:33 ` Alexander Sverdlin
2023-11-13 10:19 ` Andy Shevchenko
2023-07-21 14:22 ` Krzysztof Kozlowski
2023-07-21 14:25 ` [PATCH v3 00/42] ep93xx device tree conversion Krzysztof Kozlowski
[not found] ` <20230605-ep93xx-v3-5-3d63a5f1103e@maquefel.me>
2023-07-21 15:30 ` [PATCH v3 05/42] pinctrl: add a Cirrus ep93xx SoC pin controller Andy Shevchenko
[not found] ` <20230605-ep93xx-v3-9-3d63a5f1103e@maquefel.me>
2023-07-21 15:58 ` [PATCH v3 09/42] clocksource: ep93xx: Add driver for Cirrus Logic EP93xx Andy Shevchenko
[not found] ` <20230605-ep93xx-v3-28-3d63a5f1103e@maquefel.me>
2023-07-20 17:17 ` [PATCH v3 28/42] input: keypad: ep93xx: add DT support for Cirrus EP93xx Dmitry Torokhov
2023-07-21 16:12 ` Andy Shevchenko
[not found] ` <20230605-ep93xx-v3-22-3d63a5f1103e@maquefel.me>
2023-07-21 16:20 ` [PATCH v3 22/42] dma: cirrus: " Andy Shevchenko
[not found] ` <20230605-ep93xx-v3-24-3d63a5f1103e@maquefel.me>
2023-07-21 16:27 ` [PATCH v3 24/42] mtd: nand: add support for ts72xx Andy Shevchenko
2023-07-24 7:09 ` Miquel Raynal
[not found] ` <20230605-ep93xx-v3-20-3d63a5f1103e@maquefel.me>
2023-07-21 16:32 ` [PATCH v3 20/42] net: cirrus: add DT support for Cirrus EP93xx Andy Shevchenko
[not found] ` <20230605-ep93xx-v3-14-3d63a5f1103e@maquefel.me>
2023-07-21 16:37 ` [PATCH v3 14/42] power: reset: Add a driver for the ep93xx reset Andy Shevchenko
2023-11-11 18:18 ` Alexander Sverdlin
2023-11-13 9:59 ` Andy Shevchenko
2023-11-13 10:04 ` Alexander Sverdlin
2023-11-13 10:07 ` Alexander Sverdlin
2023-11-13 10:22 ` Andy Shevchenko [this message]
[not found] ` <20230605-ep93xx-v3-18-3d63a5f1103e@maquefel.me>
2023-07-21 16:42 ` [PATCH v3 18/42] spi: ep93xx: add DT support for Cirrus EP93xx Andy Shevchenko
[not found] ` <20230605-ep93xx-v3-37-3d63a5f1103e@maquefel.me>
2023-07-28 8:23 ` [PATCH v3 37/42] pwm: ep93xx: drop legacy pinctrl Thierry Reding
[not found] ` <20230605-ep93xx-v3-29-3d63a5f1103e@maquefel.me>
2023-07-21 14:10 ` [PATCH v3 29/42] dt-bindings: rtc: Add ST M48T86 Krzysztof Kozlowski
2023-08-23 10:16 ` Krzysztof Kozlowski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAHp75VcsF8GtmE2iDf2xPWi7U5WXhi1ZFUSeA_Y+TfHQn72Jrg@mail.gmail.com \
--to=andy.shevchenko@gmail.com \
--cc=a.zummo@towertech.it \
--cc=alexander.sverdlin@gmail.com \
--cc=alexandre.belloni@bootlin.com \
--cc=alsa-devel@alsa-project.org \
--cc=andy@kernel.org \
--cc=arnd@arndb.de \
--cc=brgl@bgdev.pl \
--cc=broonie@kernel.org \
--cc=conor+dt@kernel.org \
--cc=daniel.lezcano@linaro.org \
--cc=davem@davemloft.net \
--cc=devicetree@vger.kernel.org \
--cc=dlemoal@kernel.org \
--cc=dmaengine@vger.kernel.org \
--cc=dmitry.torokhov@gmail.com \
--cc=edumazet@google.com \
--cc=hsweeten@visionengravers.com \
--cc=kernel@wantstofly.org \
--cc=kris@embeddedts.com \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=kuba@kernel.org \
--cc=lgirdwood@gmail.com \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-clk@vger.kernel.org \
--cc=linux-gpio@vger.kernel.org \
--cc=linux-ide@vger.kernel.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mtd@lists.infradead.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux-pwm@vger.kernel.org \
--cc=linux-rtc@vger.kernel.org \
--cc=linux-spi@vger.kernel.org \
--cc=linux-watchdog@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=linux@roeck-us.net \
--cc=lukma@denx.de \
--cc=miquel.raynal@bootlin.com \
--cc=mpeters@embeddedts.com \
--cc=mturquette@baylibre.com \
--cc=netdev@vger.kernel.org \
--cc=nikita.shubin@maquefel.me \
--cc=olof@lixom.net \
--cc=pabeni@redhat.com \
--cc=perex@perex.cz \
--cc=richard@nod.at \
--cc=robh+dt@kernel.org \
--cc=s.shtylyov@omp.ru \
--cc=sboyd@kernel.org \
--cc=soc@kernel.org \
--cc=sre@kernel.org \
--cc=tglx@linutronix.de \
--cc=thierry.reding@gmail.com \
--cc=tiwai@suse.com \
--cc=u.kleine-koenig@pengutronix.de \
--cc=vigneshr@ti.com \
--cc=vkoul@kernel.org \
--cc=wim@linux-watchdog.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).