netdev - Re: [PATCH v3 14/42] power: reset: Add a driver for the ep93xx reset

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <0cf1d748cb4a672483991f44d638a271218effe6.camel@gmail.com>
Date: Mon, 13 Nov 2023 11:04:21 +0100
From: Alexander Sverdlin <alexander.sverdlin@...il.com>
To: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: Andy Shevchenko <andy@...nel.org>, nikita.shubin@...uefel.me, Hartley
 Sweeten <hsweeten@...ionengravers.com>, Lennert Buytenhek
 <kernel@...tstofly.org>, Russell King <linux@...linux.org.uk>, Lukasz
 Majewski <lukma@...x.de>, Linus Walleij <linus.walleij@...aro.org>, Bartosz
 Golaszewski <brgl@...ev.pl>, Rob Herring <robh+dt@...nel.org>, Krzysztof
 Kozlowski <krzysztof.kozlowski+dt@...aro.org>,  Conor Dooley
 <conor+dt@...nel.org>, Michael Turquette <mturquette@...libre.com>, Stephen
 Boyd <sboyd@...nel.org>, Daniel Lezcano <daniel.lezcano@...aro.org>, Thomas
 Gleixner <tglx@...utronix.de>, Alessandro Zummo <a.zummo@...ertech.it>,
 Alexandre Belloni <alexandre.belloni@...tlin.com>, Wim Van Sebroeck
 <wim@...ux-watchdog.org>, Guenter Roeck <linux@...ck-us.net>, Sebastian
 Reichel <sre@...nel.org>, Thierry Reding <thierry.reding@...il.com>, Uwe
 Kleine-König <u.kleine-koenig@...gutronix.de>, Mark
 Brown <broonie@...nel.org>, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,  Paolo
 Abeni <pabeni@...hat.com>, Vinod Koul <vkoul@...nel.org>, Miquel Raynal
 <miquel.raynal@...tlin.com>,  Richard Weinberger <richard@....at>, Vignesh
 Raghavendra <vigneshr@...com>, Damien Le Moal <dlemoal@...nel.org>, Sergey
 Shtylyov <s.shtylyov@....ru>, Dmitry Torokhov <dmitry.torokhov@...il.com>,
 Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
 soc@...nel.org, Liam Girdwood <lgirdwood@...il.com>,  Jaroslav Kysela
 <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, Michael Peters
 <mpeters@...eddedts.com>, Kris Bahnsen <kris@...eddedts.com>, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-clk@...r.kernel.org, linux-rtc@...r.kernel.org, 
 linux-watchdog@...r.kernel.org, linux-pm@...r.kernel.org, 
 linux-pwm@...r.kernel.org, linux-spi@...r.kernel.org,
 netdev@...r.kernel.org,  dmaengine@...r.kernel.org,
 linux-mtd@...ts.infradead.org,  linux-ide@...r.kernel.org,
 linux-input@...r.kernel.org,  alsa-devel@...a-project.org
Subject: Re: [PATCH v3 14/42] power: reset: Add a driver for the ep93xx reset

Hi Andy!

On Mon, 2023-11-13 at 11:59 +0200, Andy Shevchenko wrote:
> On Sat, Nov 11, 2023 at 8:18 PM Alexander Sverdlin
> <alexander.sverdlin@...il.com> wrote:
> > On Fri, 2023-07-21 at 19:37 +0300, Andy Shevchenko wrote:
> 
> ...

[1]

> 
> > > > +       mdelay(1000);
> > > 
> > > Atomic?! Such a huge delay must be explained, esp. why it's atomic.
> > 
> > atomic or not, SoC is supposed to reset itself here.
> > However there is an errata [1] and the SoC can lockup instead.
> 
> Good, and what I'm saying is that this piece of code must have a
> comment explaining this.

And it has, but for some reason you've trimmed it in your reply...

-- 
Alexander Sverdlin.