From: Thomas Gleixner <tglx@linutronix.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
Biju Das <biju.das.jz@bp.renesas.com>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
William Breathitt Gray <william.gray@linaro.org>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
"linux-renesas-soc@vger.kernel.org"
<linux-renesas-soc@vger.kernel.org>,
"linux-clk@vger.kernel.org" <linux-clk@vger.kernel.org>,
"linux-iio@vger.kernel.org" <linux-iio@vger.kernel.org>,
Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>,
Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Subject: Re: [PATCH 0/6] Add RZ/V2M Compare-Match Timer (TIM) support
Date: Tue, 06 Dec 2022 09:57:33 +0100 [thread overview]
Message-ID: <87sfhsgb9e.ffs@tglx> (raw)
In-Reply-To: <CAMuHMdX2=AwerQZS2cqR4exq_QNtt=Fwp5KBcmPr1qmOBNOSAg@mail.gmail.com>
On Tue, Dec 06 2022 at 09:40, Geert Uytterhoeven wrote:
> On Tue, Dec 6, 2022 at 9:13 AM Biju Das <biju.das.jz@bp.renesas.com> wrote:
>> > Do you have any use case to really switch. Doing so disables the vDSO
>> > access to the clocksource.
>>
>> Not really. Architecture timer should be sufficient for clocksource.
>
> When multiple clocksources are registered, the clocksource
> subsystems picks the best one anyway, right?
As it does for the clock event devices. If there is an architected timer
then that should be always preferred.
No idea why there is a need for the extra hardware and the drivers which
are both never utilized.
Thanks,
tglx
next prev parent reply other threads:[~2022-12-06 8:57 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-05 14:59 [PATCH 0/6] Add RZ/V2M Compare-Match Timer (TIM) support Biju Das
2022-12-05 14:59 ` [PATCH 2/6] dt-bindings: timer: Add RZ/V2M TIM binding Biju Das
2022-12-05 14:59 ` [PATCH 4/6] dt-bindings: counter: Add RZ/V2M TIM counter binding Biju Das
2022-12-05 14:59 ` [PATCH 6/6] arm64: dts: renesas: r9a09g011: Add tim nodes Biju Das
2022-12-05 22:50 ` [PATCH 0/6] Add RZ/V2M Compare-Match Timer (TIM) support Rob Herring
2022-12-06 8:13 ` Biju Das
2022-12-06 8:40 ` Geert Uytterhoeven
2022-12-06 8:57 ` Thomas Gleixner [this message]
2022-12-06 9:45 ` Biju Das
2022-12-07 7:52 ` Biju Das
2022-12-07 10:53 ` Thomas Gleixner
2022-12-07 11:35 ` Biju Das
2022-12-07 16:49 ` Thomas Gleixner
2022-12-09 22:24 ` William Breathitt Gray
2022-12-10 7:52 ` Biju Das
2022-12-10 10:59 ` Thomas Gleixner
2022-12-06 8:59 ` Biju Das
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