From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: [PATCH RFC 15/27] PM / Domains: Add next_wakeup to device's timing data Date: Thu, 19 Nov 2015 14:19:57 -0800 Message-ID: <7h8u5ttywi.fsf@deeprootsystems.com> References: <1447799871-56374-1-git-send-email-lina.iyer@linaro.org> <1447799871-56374-16-git-send-email-lina.iyer@linaro.org> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1447799871-56374-16-git-send-email-lina.iyer@linaro.org> (Lina Iyer's message of "Tue, 17 Nov 2015 15:37:39 -0700") Sender: linux-arm-msm-owner@vger.kernel.org To: Lina Iyer Cc: ulf.hansson@linaro.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, geert@linux-m68k.org, k.kozlowski@samsung.com, msivasub@codeaurora.org, agross@codeaurora.org, sboyd@codeaurora.org, linux-arm-msm@vger.kernel.org, lorenzo.pieralisi@arm.com, ahaslam@baylibre.com, mtitinger@baylibre.com List-Id: linux-pm@vger.kernel.org Lina Iyer writes: > Allow devices that know when their next wakeup event is, to record save > it as part of timing data. A genpd governor may use this data to > determine if suspending the domain is going to affect the QoS of its > devices. > > Signed-off-by: Lina Iyer > --- > include/linux/pm_domain.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h > index f1329ea..9ac089d 100644 > --- a/include/linux/pm_domain.h > +++ b/include/linux/pm_domain.h > @@ -16,6 +16,7 @@ > #include > #include > #include > +#include > > /* Defines used for the flags field in the struct generic_pm_domain */ > #define GENPD_FLAG_PM_CLK (1U << 0) /* PM domain uses PM clk */ > @@ -104,6 +105,7 @@ struct gpd_timing_data { > s64 effective_constraint_ns; > bool constraint_changed; > bool cached_stop_ok; > + ktime_t next_wakeup; > }; The addition of a new field should be combined with the patch that uses it (e.g. PATCH 16/27) Kevin