Re: N900 sleep mode (in 4.5-rc0, if that matters)

Pavel Machek
2016-01-30T20:14:57Z

On Sat 2016-01-30 21:02:45, Pavel Machek wrote:
> Hi!
>
> > > ffdffe8d 48004a20 (fa004a20) cm_idlest1_core blocking bits: 00200072
> > > 0000000d 48004a28 (fa004a28) cm_idlest3_core
> > >
> > > cm_idlest1_core changes periodicall often, to 00218072. The rest seems
> > > constant.
> >
> > For cm_idlest1_core 42 is the answer.. Here you have bits 4 and 5
> > blocking which is for OTG and it's PHY. That's a known issue with
> > musb and setting pm_runtime_irq_safe() on the MUSB parent.
> >
> > If you do rmmod omap2430 and phy-twl4030usb chances are the LEDs will
> > start going off assuming the McSPI bit goes low with WLAN idling.
>
> Ok, so I tried to compile kernel without omap2430/phy-twl4030usb
> . That did not help. So I thought, ok, maybe rmmod is needed to
> trigger some powersaving? But that is not exactly easy to do:
>
> pavel@n900:/my/tui/ofone$ sudo insmod /my/modules/omap2430.ko
> pavel@n900:/my/tui/ofone$ sudo insmod /my/modules/phy-twl4030-usb.ko
> pavel@n900:/my/tui/ofone$ sudo rmmod phy-twl4030-usb.ko
> Error: Module phy_twl4030_usb is in use
> pavel@n900:/my/tui/ofone$
>
> Any ideas what jumps to use the modules? Charger code?

I tried a kernel without charger code, and no luck, rmmod fails the
same way. dmesg says:
[ 111.093078] wlan0: authenticated
[ 111.097442] wlan0: associate with 06:27:22:f9:10:6a (try 1/3)
[ 111.104553] wlan0: RX AssocResp from 06:27:22:f9:10:6a (capab=0x421
status=0 aid=2)
[ 111.104705] wlan0: AP has invalid WMM params (AIFSN=1 for ACI 2),
will use 2
[ 111.104736] wlan0: AP has invalid WMM params (AIFSN=1 for ACI 3),
will use 2
[ 111.256652] wlan0: associated
[ 184.681427] HS USB OTG: no transceiver configured
[ 184.681488] musb-hdrc musb-hdrc.0.auto: musb_init_controller failed
with status -517
[ 184.681976] HS USB OTG: no transceiver configured
[ 184.682006] musb-hdrc musb-hdrc.0.auto: musb_init_controller failed
with status -517
[ 187.690338] twl4030_usb 48070000.i2c:twl@48:twl4030-usb:
Initialized TWL4030 USB module
[ 187.698303] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk
combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
[ 187.698333] musb-hdrc: MHDRC RTL version 1.400
[ 187.698333] musb-hdrc: setup fifo_mode 4
[ 187.698394] musb-hdrc: 28/31 max ep, 16384/16384 memory
pavel@n900:/my/tui/ofone$

Best regards,