linux-kernel - Re: [PATCH] clocksource: timer-ti-dm: Drop bogus omap_dm_timer_of_set

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Date:   Wed, 26 Feb 2020 08:16:02 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Suman Anna <s-anna@...com>
Cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
        Tero Kristo <t-kristo@...com>,
        Neil Armstrong <narmstrong@...libre.com>,
        "H . Nikolaus Schaller" <hns@...delico.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Keerthy <j-keerthy@...com>,
        Ladislav Michl <ladis@...ux-mips.org>,
        Pavel Machek <pavel@....cz>, Sebastian Reichel <sre@...nel.org>
Subject: Re: [PATCH] clocksource: timer-ti-dm: Drop bogus
 omap_dm_timer_of_set_source()

* Suman Anna <s-anna@...com> [200212 21:36]:
> Hi Tony,
> 
> Do you have the history of why the 32 KHz source is set as parent during
> prepare? One of the current side-affects of this patch is that now instead
> of bailing out, the 32 KHz source is set, and consumers will still need
> to select their appropriate parent. Dropping that call should actually
> allow us to select the parents in the consumer nodes in dts files using
> the assigned-clocks and assigned-clock-parents properties. I prefer to
> drop it if you do not foresee any issues. For now, I do not anticipate
> any issues with omap-pwm-dmtimer with this patch.

Using the 32 KiHz source works better for PM. But yeah the
machine specific source clock should be configured with
assigned-clocks and assigned-clock-parents properites.

Things seem to behave just fine for me with this patch for both
pwm-leds and PM. Good to see this function gone:

Tested-by: Tony Lindgren <tony@...mide.com>