[Letux-kernel] Letux OS: Kernel 4.19-rc4

Andreas Kemnade andreas at kemnade.info
Sat Sep 22 13:49:48 CEST 2018


Hi,

On Sat, 22 Sep 2018 13:30:08 +0200
"H. Nikolaus Schaller" <hns at goldelico.com> wrote:

> Hi,
> 
> > Am 22.09.2018 um 12:28 schrieb Andreas Kemnade <andreas at kemnade.info>:
> > 
> > On Tue, 18 Sep 2018 08:30:58 +0200
> > H. Nikolaus Schaller <hns at goldelico.com> wrote:
> >   
> >> Hi all,
> >> I have finally updated our kernel trees to
> >> 
> >> 	letux-4.14.70
> >> 	letux-4.18.8
> >> 	letux-4.19-rc4
> >> 
> >> and as usual there are binaries and sources at the known locations.
> >> 
> >> Regarding 4.19-rc4 we have quite some construction sites, unfortunately
> >> with some regressions.
> >> 
> >> Here is the list of (significantly) broken things that I am aware of:
> >> 
> >> Pyra:
> >> * OMAP5 TILER is no longer scanning through the frame buffer and appears to fetch from a fixed address
> >> * "reboot" hangs if timer8 is in use
> >> * bq2429x charger driver is far from being perfect (sometimes does not detect USB unplug/replug and charging does not start)
> >> * AESS does not load firmware and even without, audio is broken
> >> * PVR/SGX integration is missing
> >> * sd/eMMC switch driver is missing
> >> 
> >> GTA04:
> >> * camera driver is still not stable and incomplete
> >> * PVR/SGX integration is incomplete  
> > 
> > [   63.866882] twl4030_voice_set_tristate codec=01a1e884 1
> > [   63.874877] pps pps0: new PPS source pps.-1
> > [   63.879333] pps pps0: Registered IRQ 166 as PPS source
> > [   63.894653] TPS Voice IF is tristated
> > [   63.910339] wwan_on_off_is_powered_on: USB phy event 0
> > [   63.921508] omap-twl4030 sound: ASoC: failed to init TWL4030 HiFi: -22
> > [   63.942443] wwan_on_off_is_powered_on: in-off invalid
> > [   63.968627] omap-twl4030 sound: ASoC: failed to instantiate card -22
> > [   64.004302] wwan_on_off_is_powered_on: return 'true'
> > [   64.009735] wwan_on_off_rfkill_set_block: blocked: 0
> > [   64.046234] asoc-simple-card sound_telephony: gtm601 <-> 49026000.mcbsp mapping ok
> > [   64.059814] omap-twl4030 sound: devm_snd_soc_register_card() failed: -22
> > [   64.078491] wwan_on_off_set_power:on = 1
> > [   64.082611] wwan_on_off_is_powered_on: USB phy event 0
> > [   64.094482] omap-twl4030: probe of sound failed with error -22
> > 
> > 
> > root at gta04:~# arecord -l
> > **** List of CAPTURE Hardware Devices ****
> > card 0: voice [GTA04 voice], device 0: 49026000.mcbsp-gtm601 gtm601-0 []
> >  Subdevices: 1/1
> >  Subdevice #0: subdevice #0
> > card 1: fmradio [GTA04 fm-radio], device 0: 48074000.mcbsp-Si47xx Si47xx-0 []
> >  Subdevices: 1/1
> >  Subdevice #0: subdevice #0
> > root at gta04:~# 
> > 
> > Well, that is rather incomplete.
> > So the only thing I can to is to create a phone to radio adapter....  
> 
> Well, may be another lost commit from applying DT rework.
> 
probably, 
grep -i HiFi kerneltest/logs/*/boot*
kerneltest/logs/v4.19-rc4-26-g3918c21eacb0/boot-1537223306.log:[   12.353607] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok
kerneltest/logs/v4.19-rc4-26-g3918c21eacb0/boot-1537223359.log:[   12.284545] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok
kerneltest/logs/v4.19-rc4-26-g3918c21eacb0/boot-1537223412.log:[   12.257171] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok
kerneltest/logs/v4.19-rc4-26-g3918c21eacb0/boot-1537223464.log:[   12.391387] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok
kerneltest/logs/v4.19-rc4-26-g3918c21eacb0/boot-1537223517.log:[   12.329620] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok
kerneltest/logs/v4.19-rc4-95-geb9a29f9e585/boot-1537396111.log:[   12.221435] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok
kerneltest/logs/v4.19-rc4-95-geb9a29f9e585/boot-1537396166.log:[   12.273864] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok
kerneltest/logs/v4.19-rc4-95-geb9a29f9e585/boot-1537396221.log:[   12.165008] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok
kerneltest/logs/v4.19-rc4-95-geb9a29f9e585/boot-1537396276.log:[   12.209716] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok
kerneltest/logs/v4.19-rc4-95-geb9a29f9e585/boot-1537396331.log:[   12.211425] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok
kerneltest/logs/v4.19-rc4/boot-1537163145.log:[   12.371520] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok

That is cleanly build from another git checkout but tested with
fixed dt.

> DT rework is quite a nightmare...
> 
> It is almost impossible to split it into small and really independent
> patches that can be easily reordered. So you usually rewrite everything
> in the hope that nodes moved around do not get lost.
> 
> And there is IMHO no tool to compare two device trees if they are
> logically the same, since reordering nodes changes the binary even if
> the result behaves identically. And ftddump does not tell much about the
> symbols any more and ha no --sort option.
> 
> The best approach seems be to boot the device with different DTBs
> and "ls -R /sys/firmware".
> 
> This should have symbols (almost) resolved and alphabetically sorted.
> 
> So doing a diff on that might show which node has changed in structure
> (i.e. missing properties etc.).
> 
> But I have never tried this.
> 
I tried something that for finding out my dt problems regarding suspend.
And then I found some strange things present which where not in the
source....

Regards,
Andreas
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