linux-kernel - Re: [PATCH v3 24/24] cpuidle: riscv-sbi: Drop redundant sync

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Message-ID: <CA+Oz1=aU=2KFEsJNmO6LHjE0Wsdyor7Z4Yr30nLwRkAGm=ZO6w@mail.gmail.com>
Date: Fri, 4 Jul 2025 16:09:27 +0530
From: Rahul Pathak <rpathak@...tanamicro.com>
To: Ulf Hansson <ulf.hansson@...aro.org>
Cc: Saravana Kannan <saravanak@...gle.com>, Stephen Boyd <sboyd@...nel.org>, linux-pm@...r.kernel.org, 
	"Rafael J . Wysocki" <rafael@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	Michael Grzeschik <m.grzeschik@...gutronix.de>, Bjorn Andersson <andersson@...nel.org>, 
	Abel Vesa <abel.vesa@...aro.org>, Peng Fan <peng.fan@....nxp.com>, 
	Tomi Valkeinen <tomi.valkeinen@...asonboard.com>, Johan Hovold <johan@...nel.org>, 
	Maulik Shah <maulik.shah@....qualcomm.com>, Michal Simek <michal.simek@....com>, 
	Konrad Dybcio <konradybcio@...nel.org>, Thierry Reding <thierry.reding@...il.com>, 
	Jonathan Hunter <jonathanh@...dia.com>, Hiago De Franco <hiago.franco@...adex.com>, 
	Geert Uytterhoeven <geert@...ux-m68k.org>, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, Anup Patel <anup@...infault.org>, 
	linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v3 24/24] cpuidle: riscv-sbi: Drop redundant sync_state support

On Tue, Jul 1, 2025 at 5:23 PM Ulf Hansson <ulf.hansson@...aro.org> wrote:
>
> The recent updates to the genpd core, can entirely manage the sync_state
> support for the cpuidle-riscv-sbi-domain. More precisely, genpd prevents
> our ->power_off() callback from being invoked, until all of our consumers
> are ready for it.
>
> Let's therefore drop the sync_state support for the
> cpuidle-riscv-sbi-domain as it has become redundant.
>
> Cc: Anup Patel <anup@...infault.org>
> Cc: linux-riscv@...ts.infradead.org
> Tested-by: Hiago De Franco <hiago.franco@...adex.com> # Colibri iMX8X
> Tested-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com> # TI AM62A,Xilinx ZynqMP ZCU106
> Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
> ---
>  drivers/cpuidle/cpuidle-riscv-sbi.c | 22 +---------------------
>  1 file changed, 1 insertion(+), 21 deletions(-)
>

LGTM

Reviewed-by: Rahul Pathak <rpathak@...tanamicro.com>