From: khilman@deeprootsystems.com (Kevin Hilman)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 26/32] OMAP3: PM debug: allow runtime toggle of PM features
Date: Mon, 16 Nov 2009 10:31:34 -0800 [thread overview]
Message-ID: <873a4el3sp.fsf@deeprootsystems.com> (raw)
In-Reply-To: <5A47E75E594F054BAF48C5E4FC4B92AB030A8C87BF@dbde02.ent.ti.com> (Thara Gopinath's message of "Fri\, 13 Nov 2009 15\:35\:57 +0530")
"Gopinath, Thara" <thara@ti.com> writes:
[...]
>>>
>>>+void omap3_pm_off_mode_enable(int enable)
>>>+{
>>>+ struct power_state *pwrst;
>>>+ u32 state;
>>>+
>>>+ if (enable)
>>>+ state = PWRDM_POWER_OFF;
>>>+ else
>>>+ state = PWRDM_POWER_RET;
>>>+
>>>+ list_for_each_entry(pwrst, &pwrst_list, node) {
>>>+ pwrst->next_state = state;
>>>+ set_pwrdm_state(pwrst->pwrdm, state);
>
> Shld the next states of MPU and CORE domain also be changed?
No. MPU & CORE are handled by CPUidle, and there the enable_off_mode
flag is checked.
> It should happen only in idle thread or system suspend path. Not at
> any arbit point where user sets enable_off_mode.
Why not?
If the domain is idle, it is turned off immediately. If it's not idle,
it doesn't transition until it is.
Kevin
<
next prev parent reply other threads:[~2009-11-16 18:31 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-22 23:09 [PATCH v2 00/32] OMAP3: PM: base off-mode support Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 01/32] OMAP3: PM: GPMC context save/restore Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 02/32] OMAP3: PM: GPIO " Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 03/32] OMAP3: PM: INTC " Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 04/32] OMAP3: PM: PRCM " Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 05/32] OMAP3: PM: Populate scratchpad contents Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 06/32] OMAP3: PM: SCM context save/restore Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 07/32] OMAP3: PM: restore SRAM functions after off-mode Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 08/32] OMAP3: PM: handle PER/NEON/CORE in idle Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 09/32] OMAP3: PM: Restore MMU table entry Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 10/32] OMAP3: PM: MPU off-mode support Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 11/32] OMAP3: PM: CORE domain " Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 12/32] OMAP: PM: DMA context save/restore for " Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 13/32] OMAP3 PM: off-mode support for HS/EMU devices Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 14/32] OMAP3: PM: save secure RAM only during init Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 15/32] OMAP3: PM: Enable SDRAM auto-refresh during sleep Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 16/32] OMAP3: PM: Save and restore also CM_CLKSEL1_PLL_IVA2 Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 17/32] OMAP3: PM: Fix secure SRAM context save/restore Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 18/32] ARM: OMAP: SMS: save/restore of SMS_SYSCONFIG for off-mode Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 19/32] OMAP3: PM: Fix PLL_MOD CLKEN offset in scratchpad Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 20/32] OMAP: PM: Clear DMA channel state after a wakeup Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 21/32] OMAP: Store reboot mode in scratchpad on OMAP34xx Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 22/32] OMAP3: PM: SDRC auto-refresh workaround for off-mode Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 23/32] OMAP3: PM: Fix INTC context save/restore Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 24/32] PM: Disable usb host HW save and restore Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 25/32] OMAP3: PM: Wait for SDRC ready iso a blind delay Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 26/32] OMAP3: PM debug: allow runtime toggle of PM features Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 27/32] PM debug: allow configurable wakeup from suspend on OMAP GPtimer Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 28/32] OMAP3: PM: decouple PER and CORE context save and restore Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 29/32] OMAP3: PM: Prevent PER from going OFF when CORE is going INA Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 30/32] OMAP3: PM: MPU and CORE should stay awake if there is CAM domain ACTIVE Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 31/32] OMAP3: PM: Enable IO-CHAIN wakeup Kevin Hilman
2009-10-22 23:09 ` [PATCH v2 32/32] OMAP3: PM: Program SDRC to send self refresh on timeout of AUTO_CNT Kevin Hilman
2009-11-13 10:05 ` [PATCH v2 26/32] OMAP3: PM debug: allow runtime toggle of PM features Gopinath, Thara
2009-11-16 18:31 ` Kevin Hilman [this message]
2009-10-23 8:32 ` [PATCH v2 12/32] OMAP: PM: DMA context save/restore for off-mode support Grazvydas Ignotas
2009-10-23 17:33 ` Kevin Hilman
2009-10-23 13:54 ` Venkatraman S
2009-10-23 17:57 ` Kevin Hilman
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