linux-kernel - Re: [PATCH 1/3] clocksource: timer-ti-dm: Fix pwm dmtimer usage of fck reparenting

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

Message-ID: <20190126194044.2fad4427@aktux>
Date:   Sat, 26 Jan 2019 19:40:44 +0100
From:   Andreas Kemnade <andreas@...nade.info>
To:     Tony Lindgren <tony@...mide.com>
Cc:     linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        "H . Nikolaus Schaller" <hns@...delico.com>,
        Keerthy <j-keerthy@...com>,
        Ladislav Michl <ladis@...ux-mips.org>,
        Pavel Machek <pavel@....cz>,
        Sebastian Reichel <sre@...nel.org>,
        Tero Kristo <t-kristo@...com>,
        Thierry Reding <thierry.reding@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH 1/3] clocksource: timer-ti-dm: Fix pwm dmtimer usage of
 fck reparenting

On Tue, 22 Jan 2019 09:57:15 -0800
Tony Lindgren <tony@...mide.com> wrote:

> Commit 84badc5ec5fc ("ARM: dts: omap4: Move l4 child devices to probe
> them with ti-sysc") moved some omap4 timers to probe with ti-sysc
> interconnect target module. Turns out this broke pwm-omap-dmtimer
> where we now try to reparent the clock to itself with the following:
> 
> omap_dm_timer_of_set_source: failed to set parent
> 
> With ti-sysc, we can now configure the clock sources in the dts
> with assigned-clocks and assigned-clock-parents. So we should be able
> to remove omap_dm_timer_of_set_source with clean-up patches later on.
> But for now, let's just fix it first by checking if parent and fck
> are the same and bail out of so.
> 
together with 2/3 it fixes things on pyra

Tested-By: Andreas Kemnade <andreas@...nade.info>

Content of type "application/pgp-signature" skipped