Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Tue, 25 Oct 2022 12:43:08 +0100
From:   Sudeep Holla <sudeep.holla@arm.com>
To:     Ulf Hansson <ulf.hansson@linaro.org>
Cc:     "Rafael J . Wysocki" <rafael@kernel.org>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        linux-pm@vger.kernel.org,
        Lorenzo Pieralisi <lpieralisi@kernel.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] cpuidle: dt: Return the correct numbers of parsed
 idle states
Message-ID: <20221025114308.4kevtiz5heoekgz3@bogus>
References: <20221021151013.148457-1-ulf.hansson@linaro.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20221021151013.148457-1-ulf.hansson@linaro.org>
Precedence: bulk

On Fri, Oct 21, 2022 at 05:10:12PM +0200, Ulf Hansson wrote:
> While we correctly skips to initialize an idle state from a disabled idle
> state node in DT, the returned value from dt_init_idle_driver() don't get
> adjusted accordingly. Instead the number of found idle state nodes are
> returned, while the callers are expecting the number of successfully
> initialized idle states from DT.
> 
> This leads to cpuidle drivers unnecessarily continues to initialize their
> idle state specific data. Moreover, in the case when all idle states have
> been disabled in DT, we would end up registering a cpuidle driver, rather
> than relying on the default arch specific idle call.
>

Makes sense.

Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>

-- 
Regards,
Sudeep