linux-kernel - Re: [RFC PATCH 0/4] Fix dmtimer parent clock setup

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Date:   Mon, 16 Jul 2018 19:21:41 -0400
From:   David Rivshin <drivshin@...rd.com>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     tony@...mide.com, daniel.lezcano@...aro.org,
        linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
        aford173@...il.com
Subject: Re: [RFC PATCH 0/4] Fix dmtimer parent clock setup

On Mon, 16 Jul 2018 22:38:58 +0200
Neil Armstrong <narmstrong@...libre.com> wrote:

> With the move to clocksource, the omap_dm_timer_of_set_source() broke
> because the "fclk" clock is now defined in the DT.
> The omap_dm_timer_of_set_source() was using the first clock declared in the
> timer node, but now this clock must be named as "src" and clk_get() use
> "src" as clock name to permit specifiying the parent clock of the timer "fclk".
> 
> The 3 first patches adds the "fck" clocks to all timer nodes of SoCs using
> the Clock Framework to pass this clock to the dmtimer driver.
> 
> Adam, David, can you check if this solves the issue reported at [1] ?

Thanks! Works on my AM335x board.
Patches 1 and 4:
 Tested-by: David Rivshin <drivshin@...worx.com>

If I might suggest also:
 Fixes: df54bfc5502a ("clk: ti: am33xx: add clkctrl clock data")
 Cc: <stable@...r.kernel.org> # 4.16+


> 
> [1] https://www.spinics.net/lists/linux-clk/msg27638.html
> 
> Neil Armstrong (4):
>   ARM: dts: am33xx: Add all fck timer clocks
>   ARM: dts: am4372: Add all fck timer clocks
>   ARM: dts: dm816x: Add all fck timer clocks
>   timer-ti-dm: Fix omap_dm_timer_of_set_source()
> 
>  arch/arm/boot/dts/am33xx.dtsi     | 10 ++++++++++
>  arch/arm/boot/dts/am4372.dtsi     | 18 ++++++++++++++++++
>  arch/arm/boot/dts/dm816x.dtsi     | 10 ++++++++++
>  drivers/clocksource/timer-ti-dm.c |  2 +-
>  4 files changed, 39 insertions(+), 1 deletion(-)
>