From: Tony Lindgren <tony@atomide.com>
To: Keerthy <j-keerthy@ti.com>
Cc: linus.walleij@linaro.org, grygorii.strashko@ti.com,
t-kristo@ti.com, Russ.Dill@ti.com, linux-omap@vger.kernel.org,
linux-kernel@vger.kernel.org, ssantosh@kernel.org,
haojian.zhuang@linaro.org, linux-arm-kernel@lists.infradead.org,
d-gerlach@ti.com
Subject: Re: [PATCH 12/14] OMAP: CLK: CLKSRC: Add suspend resume hooks
Date: Tue, 22 May 2018 06:39:55 -0700 [thread overview]
Message-ID: <20180522133955.GG98604@atomide.com> (raw)
In-Reply-To: <038cc2cd-ff72-c9c9-257b-1c1cc09a66a8@ti.com>
* Keerthy <j-keerthy@ti.com> [180522 07:59]:
> On Thursday 12 April 2018 07:57 PM, Tony Lindgren wrote:
> > * Keerthy <j-keerthy@ti.com> [180412 03:56]:
> >> Add the save and restore for clksrc as part of suspend and resume
> >> so that it saves the counter value and restores. This is needed in
> >> modes like rtc+ddr in self-refresh not doing this stalls the time.
> >
> > I suspect this too should really happen with cpu_pm.
>
> I believe going by the previous set of patches this fits better with
> suspend/resume?
Yes if you don't need it for cpuidle and other SoC variants
don't need it for cpuidle.
> > Probably no need to look up the hwmod every time? Especially if am437x
> > will start supporting deeper idle modes during runtime.
>
> Like clockevent i will store the hwmod pointer for clocksource as well.
OK
Regards,
Tony
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 12/14] OMAP: CLK: CLKSRC: Add suspend resume hooks
Date: Tue, 22 May 2018 06:39:55 -0700 [thread overview]
Message-ID: <20180522133955.GG98604@atomide.com> (raw)
In-Reply-To: <038cc2cd-ff72-c9c9-257b-1c1cc09a66a8@ti.com>
* Keerthy <j-keerthy@ti.com> [180522 07:59]:
> On Thursday 12 April 2018 07:57 PM, Tony Lindgren wrote:
> > * Keerthy <j-keerthy@ti.com> [180412 03:56]:
> >> Add the save and restore for clksrc as part of suspend and resume
> >> so that it saves the counter value and restores. This is needed in
> >> modes like rtc+ddr in self-refresh not doing this stalls the time.
> >
> > I suspect this too should really happen with cpu_pm.
>
> I believe going by the previous set of patches this fits better with
> suspend/resume?
Yes if you don't need it for cpuidle and other SoC variants
don't need it for cpuidle.
> > Probably no need to look up the hwmod every time? Especially if am437x
> > will start supporting deeper idle modes during runtime.
>
> Like clockevent i will store the hwmod pointer for clocksource as well.
OK
Regards,
Tony
next prev parent reply other threads:[~2018-05-22 13:40 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-12 3:53 [PATCH 00/14] arm: OMAP: AM437X: Save restores patches for rtc mode with DDR In self-refresh Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` [PATCH 01/14] memory: ti-emif-sram: Add resume function to recopy sram code Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 16:44 ` santosh.shilimkar
2018-04-12 16:44 ` santosh.shilimkar at oracle.com
2018-04-12 16:44 ` santosh.shilimkar
2018-04-16 10:20 ` Keerthy
2018-04-16 10:20 ` Keerthy
2018-04-16 10:20 ` Keerthy
2018-04-16 10:29 ` Keerthy
2018-04-16 10:29 ` Keerthy
2018-04-16 10:29 ` Keerthy
2018-05-23 8:47 ` Keerthy
2018-05-23 8:47 ` Keerthy
2018-05-23 8:47 ` Keerthy
2018-05-23 16:42 ` Santosh Shilimkar
2018-05-23 16:42 ` Santosh Shilimkar
2018-04-12 3:53 ` [PATCH 02/14] ARM: OMAP2: Add functions to save and restore clockdomain context en-masse Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` [PATCH 03/14] ARM: OMAP2+: omap_hwmod: Introduce HWMOD_NEEDS_REIDLE Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 14:34 ` Tony Lindgren
2018-04-12 14:34 ` Tony Lindgren
2018-04-12 3:53 ` [PATCH 04/14] ARM: OMAP2: Add functions to save and restore omap hwmod context en-masse Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` [PATCH 05/14] ARM: OMAP2: Add functions to save and restore powerdomain context Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 14:37 ` Tony Lindgren
2018-04-12 14:37 ` Tony Lindgren
2018-04-12 3:53 ` [PATCH 06/14] ARM: AM33XX: Add functions to save/restore am33xx control registers Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` [PATCH 07/14] ARM: AM43XX: Add functions to save/restore am43xx " Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` [PATCH 08/14] ARM: OMAP2: Add functions to save and restore pinctrl context Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 14:16 ` Tony Lindgren
2018-04-12 14:16 ` Tony Lindgren
2018-04-13 6:16 ` Keerthy
2018-04-13 6:16 ` Keerthy
2018-04-13 6:16 ` Keerthy
2018-04-12 3:53 ` [PATCH 09/14] ARM: OMAP2: Drop the concept of certain power domains not being able to lose context Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` [PATCH 10/14] gpio: omap: Drop the concept of gpio banks " Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 14:22 ` Tony Lindgren
2018-04-12 14:22 ` Tony Lindgren
2018-04-12 20:10 ` Grygorii Strashko
2018-04-12 20:10 ` Grygorii Strashko
2018-04-12 20:10 ` Grygorii Strashko
2018-04-12 3:53 ` [PATCH 11/14] gpio: omap: Restore power_mode configuration at resume time Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 14:39 ` Tony Lindgren
2018-04-12 14:39 ` Tony Lindgren
2018-04-12 20:02 ` Grygorii Strashko
2018-04-12 20:02 ` Grygorii Strashko
2018-04-12 20:02 ` Grygorii Strashko
2018-04-12 3:53 ` [PATCH 12/14] OMAP: CLK: CLKSRC: Add suspend resume hooks Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 14:27 ` Tony Lindgren
2018-04-12 14:27 ` Tony Lindgren
2018-05-22 7:57 ` Keerthy
2018-05-22 7:57 ` Keerthy
2018-05-22 7:57 ` Keerthy
2018-05-22 13:39 ` Tony Lindgren [this message]
2018-05-22 13:39 ` Tony Lindgren
2018-04-12 3:53 ` [PATCH 13/14] ARM: hwmod: RTC: Don't assume lock/unlock will be called with irq enabled Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` [PATCH 14/14] ARM: OMAP2+: prm44xx: Introduce context save/restore for am43 PRCM IO Keerthy
2018-04-12 3:53 ` Keerthy
2018-04-12 3:53 ` Keerthy
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