Messages in this thread | | | Date | Wed, 30 Mar 2016 12:12:09 -0700 | From | Tony Lindgren <> | Subject | Re: N900 sleep mode (in 4.5-rc0, if that matters) |
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* Pavel Machek <pavel@ucw.cz> [160323 05:38]: > > Ok, another attempt at shutting USB down: > > 00001fff 48005020 (fa005020) cm_idlest_per blocking bits: 0007e000 > f7dffe9d 48004a20 (fa004a20) cm_idlest1_core blocking bits: 00200062 > 0000000d 48004a28 (fa004a28) cm_idlest3_core > > Tried again today: > > 00001fff 48005020 (fa005020) cm_idlest_per blocking bits: 0007e000 > f7dffe9d 48004a20 (fa004a20) cm_idlest1_core blocking bits: 00200062 > 0000000d 48004a28 (fa004a28) cm_idlest3_core > pavel@n900:/my/tui/ofone$ sleep test > > 00001fff 48005020 (fa005020) cm_idlest_per blocking bits: 0007e000 > ffde7e9d 48004a20 (fa004a20) cm_idlest1_core blocking bits: 00218062 > 0000000d 48004a28 (fa004a28) cm_idlest3_core > > 00001fff 48005020 (fa005020) cm_idlest_per blocking bits: 0007e000 > fedffe9d 48004a20 (fa004a20) cm_idlest1_core blocking bits: 01200062 > 0000000d 48004a28 (fa004a28) cm_idlest3_core > > 00001fff 48005020 (fa005020) cm_idlest_per blocking bits: 0007e000 > ffde7e9d 48004a20 (fa004a20) cm_idlest1_core blocking bits: 00218062 > 0000000d 48004a28 (fa004a28) cm_idlest3_core > > Is there documentation for the cm_idlest1_ bits?
Yes, see the TRM.
> How idle system do I need to have? Screen is blanked and machine > should be mostly idle, but there's X running on another vt with Mate > desktop, and some python scripts... GSM modem should be online.
Well I think it's the USB only you have blocking deeper idle states.
Are you sure you rmmod:ed all the USB related modules like in my test script?
MUSB currently has an unresolved issue where it blocks idle states if loaded.
> Are you booting over USB from NOLO?
I'm booting over smc91x using u-boot.
Regards,
Tony
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