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: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:   Wed, 2 Jun 2021 14:44:39 +0200
From:   Marek BehĂșn <kabel@...nel.org>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     linux-leds@...r.kernel.org, netdev@...r.kernel.org,
        Pavel Machek <pavel@....cz>, Dan Murphy <dmurphy@...com>,
        Russell King <linux@...linux.org.uk>,
        Matthias Schiffer <matthias.schiffer@...tq-group.com>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: Re: [PATCH leds v2 06/10] leds: core: inform trigger that it's
 deactivation is due to LED removal

On Tue, 1 Jun 2021 23:12:57 +0200
Andrew Lunn <andrew@...n.ch> wrote:

> On Tue, Jun 01, 2021 at 02:51:51AM +0200, Marek BehĂșn wrote:
> > Move setting of the LED_UNREGISTERING before deactivating the
> > trigger in led_classdev_unregister().
> > 
> > It can be useful for a LED trigger to know whether it is being
> > deactivated due to the LED being unregistered. This makes it
> > possible for LED drivers which implement trigger offloading to
> > leave the LED in HW triggering mode when the LED is unregistered,
> > instead of disabling it.  
> 
> Humm, i'm not sure that is a good idea. I don't expect my Ethernet
> switch to keep forwarding frames when i unload the driver.

We want to make it so that when leds-turris-omnia driver is unloaded,
the LEDs will start blinking in HW mode as they did before the driver
was loaded. This is needed for that.

Marek

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ