Hi Peter,
I just noticed a problem in v4.16 kernels with twl4030 audio and vibra driver no longer working.
Tracing it back shows that it already did appear in v4.16-rc1 and wasn't fixed up to v4.16.0.
Kernel v4.15.9 (the latest one where I have a binary) works.
The symptoms are:
[ 1.557342] twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
[ 1.564788] twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
[ 1.839141] TWL4030: HFCLK is not configured
Those are not visible in v4.15.9. And I am not aware of any changes to the gta04 device tree.
Do you know about this issue and a fix, before I start to bisect?
BR and thanks,
Nikolaus
Nikolaus,
can you CC me also, I have almost missed this...
On 2018-04-04 21:29, H. Nikolaus Schaller wrote:
> Hi Peter,
> I just noticed a problem in v4.16 kernels with twl4030 audio and vibra driver no longer working.
>
> Tracing it back shows that it already did appear in v4.16-rc1 and wasn't fixed up to v4.16.0.
> Kernel v4.15.9 (the latest one where I have a binary) works.
v4.16 works just fine on beagle-xm (including audio), omap2plus_defconfig.
> The symptoms are:
>
> [ 1.557342] twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
> [ 1.564788] twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
> [ 1.839141] TWL4030: HFCLK is not configured
Hrm, the order looks a bit weird, it should be
TWL4030: HFCLK is not configured
twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
In twl4030_audio_probe() we try to get the HFCLK rate via
twl_get_hfclk_rate(), which is reading it with:
twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &ctrl, R_CFG_BOOT);
> Those are not visible in v4.15.9. And I am not aware of any changes to the gta04 device tree.
>
> Do you know about this issue and a fix, before I start to bisect?
The CFG_BOOT register of twl4030 is not configured correctly for some
reason?
The TRM of twl4030 states that the SW should program the HFCLK_FREQ
during boot sequence.
If it is not done, MDAC and USB should not work either. And all sorts of
other issues might happen.
So the boot loader is not configuring the HFCLK_FREQ, for me it does as
I have this line in the kernel log:
[ 1.472503] Skipping twl internal clock init and using bootloader
value (unknown osc rate)
In DT the twl should have the fck clock to not depend on the bootloader
for the HFCLK_FREQ settings. We do not have that for beagle-xm for sure.
>
> BR and thanks,
> Nikolaus
>
>
>
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>
- Péter
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
Nikolaus,
On 2018-04-05 14:05, Peter Ujfalusi wrote:
> Nikolaus,
>
> can you CC me also, I have almost missed this...
>
> On 2018-04-04 21:29, H. Nikolaus Schaller wrote:
>> Hi Peter,
>> I just noticed a problem in v4.16 kernels with twl4030 audio and vibra driver no longer working.
>>
>> Tracing it back shows that it already did appear in v4.16-rc1 and wasn't fixed up to v4.16.0.
>> Kernel v4.15.9 (the latest one where I have a binary) works.
>
> v4.16 works just fine on beagle-xm (including audio), omap2plus_defconfig.
>
>> The symptoms are:
>>
>> [ 1.557342] twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
>> [ 1.564788] twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
>> [ 1.839141] TWL4030: HFCLK is not configured
>
> Hrm, the order looks a bit weird, it should be
> TWL4030: HFCLK is not configured
> twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
> twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
>
> In twl4030_audio_probe() we try to get the HFCLK rate via
> twl_get_hfclk_rate(), which is reading it with:
> twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &ctrl, R_CFG_BOOT);
>
>> Those are not visible in v4.15.9. And I am not aware of any changes to the gta04 device tree.
>>
>> Do you know about this issue and a fix, before I start to bisect?
>
> The CFG_BOOT register of twl4030 is not configured correctly for some
> reason?
> The TRM of twl4030 states that the SW should program the HFCLK_FREQ
> during boot sequence.
>
> If it is not done, MDAC and USB should not work either. And all sorts of
> other issues might happen.
>
> So the boot loader is not configuring the HFCLK_FREQ, for me it does as
> I have this line in the kernel log:
> [ 1.472503] Skipping twl internal clock init and using bootloader
> value (unknown osc rate)
>
> In DT the twl should have the fck clock to not depend on the bootloader
> for the HFCLK_FREQ settings. We do not have that for beagle-xm for sure.
there is a bug in twl-core for getting the clock:
https://marc.info/?l=linux-omap&m=152292879928720&w=2
and a patch for beagle-xm to add the fixed clock:
https://marc.info/?l=linux-omap&m=152292917328832&w=2
With these two, beagle-xm no longer depends on bootloader to set the
HFCLK_FREQ for twl4030.
- Péter
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
Hi Peter,
> Am 05.04.2018 um 13:05 schrieb Peter Ujfalusi <[email protected]>:
>
> Nikolaus,
>
> can you CC me also, I have almost missed this...
Ah, good. Thanks for quick response! I was just starting to setup git bisect...
>
> On 2018-04-04 21:29, H. Nikolaus Schaller wrote:
>> Hi Peter,
>> I just noticed a problem in v4.16 kernels with twl4030 audio and vibra driver no longer working.
>>
>> Tracing it back shows that it already did appear in v4.16-rc1 and wasn't fixed up to v4.16.0.
>> Kernel v4.15.9 (the latest one where I have a binary) works.
>
> v4.16 works just fine on beagle-xm (including audio), omap2plus_defconfig.
>
>> The symptoms are:
>>
>> [ 1.557342] twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
>> [ 1.564788] twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
>> [ 1.839141] TWL4030: HFCLK is not configured
>
> Hrm, the order looks a bit weird, it should be
> TWL4030: HFCLK is not configured
> twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
> twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
Indeed, but I see it is as listed:
root@letux:~# dmesg|fgrep -i twl4030
[ 1.787200] twl4030_reg 48070000.i2c:twl@48:regulator-vmmc2: can't register VMMC2, -22
[ 1.795745] twl4030_reg: probe of 48070000.i2c:twl@48:regulator-vmmc2 failed with error -22
[ 1.840789] TWL4030: HFCLK is not configured
[ 1.845977] twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
[ 1.852935] twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
[ 6.764160] twl4030_madc 48070000.i2c:twl@48:madc: 48070000.i2c:twl@48:madc supply vusb3v1 not found, using dummy regulator
[ 6.872253] input: twl4030_pwrbutton as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:pwrbutton/input/input2
[ 6.997192] twl4030_gpio twl4030-gpio: can't dispatch IRQs from modules
[ 7.120666] twl4030_usb 48070000.i2c:twl@48:twl4030-usb: Initialized TWL4030 USB module
[ 8.176147] omap-twl4030 sound: ASoC: CODEC DAI twl4030-hifi not registered
[ 8.183441] omap-twl4030 sound: devm_snd_soc_register_card() failed: -517
[ 8.267120] omap-twl4030 sound: ASoC: CODEC DAI twl4030-hifi not registered
[ 8.280975] omap-twl4030 sound: devm_snd_soc_register_card() failed: -517
[ 8.388366] omap-twl4030 sound: ASoC: CODEC DAI twl4030-hifi not registered
[ 8.404113] omap-twl4030 sound: devm_snd_soc_register_card() failed: -517
[ 9.250274] omap-twl4030 sound: ASoC: CODEC DAI twl4030-hifi not registered
[ 9.264312] omap-twl4030 sound: devm_snd_soc_register_card() failed: -517
[ 9.653381] omap-twl4030 sound: ASoC: CODEC DAI twl4030-hifi not registered
[ 9.664123] omap-twl4030 sound: devm_snd_soc_register_card() failed: -517
root@letux:~#
>
> In twl4030_audio_probe() we try to get the HFCLK rate via
> twl_get_hfclk_rate(), which is reading it with:
> twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &ctrl, R_CFG_BOOT);
>
>> Those are not visible in v4.15.9. And I am not aware of any changes to the gta04 device tree.
>>
>> Do you know about this issue and a fix, before I start to bisect?
>
> The CFG_BOOT register of twl4030 is not configured correctly for some
> reason?
> The TRM of twl4030 states that the SW should program the HFCLK_FREQ
> during boot sequence.
>
> If it is not done, MDAC and USB should not work either. And all sorts of
> other issues might happen.
Well, USB works for me... Strange.
>
> So the boot loader is not configuring the HFCLK_FREQ, for me it does as
> I have this line in the kernel log:
> [ 1.472503] Skipping twl internal clock init and using bootloader
> value (unknown osc rate)
root@letux:~# dmesg|fgrep -i Skipping
[ 1.691619] Skipping twl internal clock init and using bootloader value (unknown osc rate)
root@letux:~#
So I can see this as well.
>
> In DT the twl should have the fck clock to not depend on the bootloader
> for the HFCLK_FREQ settings.
I am not even modifying the bootloader when trying v4.15 and v4.16. I just
swap uImage and kernel modules...
The interesting question is why it did work before (for years) and stopped with v4.16-rc1.
> We do not have that for beagle-xm for sure.
I have tried your new patches:
* first patch alone shows no change
root@letux:~# dmesg|fgrep -i twl4030
[ 1.787322] twl4030_reg 48070000.i2c:twl@48:regulator-vmmc2: can't register VMMC2, -22
[ 1.795867] twl4030_reg: probe of 48070000.i2c:twl@48:regulator-vmmc2 failed with error -22
[ 1.834228] TWL4030: HFCLK is not configured
[ 1.838714] twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
[ 1.846313] twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
[ 6.700225] twl4030_madc 48070000.i2c:twl@48:madc: 48070000.i2c:twl@48:madc supply vusb3v1 not found, using dummy regulator
[ 6.786651] input: twl4030_pwrbutton as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:pwrbutton/input/input2
[ 6.891265] twl4030_gpio twl4030-gpio: can't dispatch IRQs from modules
[ 7.039764] twl4030_usb 48070000.i2c:twl@48:twl4030-usb: Initialized TWL4030 USB module
[ 8.097137] Modules linked in: snd_soc_gtm601(+) pwm_omap_dmtimer(+) connector_analog_tv(+) generic_adc_battery(+) pwm_bl(+) extcon_gpio omap3_isp(+) bq27xxx_battery_hdq bq27xxx_battery videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common omap_hdq omap2430 snd_soc_omap_mcbsp snd_soc_omap snd_pcm_dmaengine ov9655 itg3200 v4l2_fwnode v4l2_common bmp280_i2c bmp280 at24 videodev hmc5843_i2c leds_tca6507 hmc5843_core bma180 tsc2007 lis3lv02d_i2c industrialio_triggered_buffer phy_twl4030_usb lis3lv02d kfifo_buf media input_polldev gpio_twl4030 musb_hdrc twl4030_pwrbutton twl4030_charger twl4030_madc w2sg0004 industrialio ehci_omap w2cbw003_bluetooth omapdss omapdss_base cec
[ 8.609954] omap-twl4030 sound: ASoC: CODEC DAI twl4030-hifi not registered
[ 8.655273] omap-twl4030 sound: devm_snd_soc_register_card() failed: -517
root@letux:~# dmesg|fgrep -i Skipping
[ 1.691162] Skipping twl internal clock init and using bootloader value (unknown osc rate)
root@letux:~#
* porting the second patch to omap3-gta04.dtsi solved the problem (vibra and audio is working again):
root@letux:~# dmesg|fgrep -i twl4030
[ 1.777770] twl4030_reg 48070000.i2c:twl@48:regulator-vmmc2: can't register VMMC2, -22
[ 1.786315] twl4030_reg: probe of 48070000.i2c:twl@48:regulator-vmmc2 failed with error -22
[ 6.704376] twl4030_madc 48070000.i2c:twl@48:madc: 48070000.i2c:twl@48:madc supply vusb3v1 not found, using dummy regulator
[ 6.755828] input: twl4030:vibrator as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:audio/twl4030-vibra/input/input2
[ 6.835510] input: twl4030_pwrbutton as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:pwrbutton/input/input3
[ 6.933776] twl4030_gpio twl4030-gpio: can't dispatch IRQs from modules
[ 7.115386] twl4030_usb 48070000.i2c:twl@48:twl4030-usb: Initialized TWL4030 USB module
[ 8.364807] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok
root@letux:~# dmesg|fgrep -i Skipping
root@letux:~#
I assume that we need a similar patch for the OpenPandora as well and prepare&submit both.
BR and thanks,
Nikolaus
On 2018-04-05 17:43, H. Nikolaus Schaller wrote:
> Hi Peter,
>
>> Am 05.04.2018 um 13:05 schrieb Peter Ujfalusi <[email protected]>:
>>
>> Nikolaus,
>>
>> can you CC me also, I have almost missed this...
>
> Ah, good. Thanks for quick response! I was just starting to setup git bisect...
I think it got broken because of these:
7558562a70fb clk: ti: Drop legacy clk-3xxx-legacy code
0ed266d7ae5e clk: ti: omap3: cleanup unnecessary clock aliases
These used to wire the twl's fck to osc_sys_ck, but they are gone in 4.16.
>>
>> On 2018-04-04 21:29, H. Nikolaus Schaller wrote:
>>> Hi Peter,
>>> I just noticed a problem in v4.16 kernels with twl4030 audio and vibra driver no longer working.
>>>
>>> Tracing it back shows that it already did appear in v4.16-rc1 and wasn't fixed up to v4.16.0.
>>> Kernel v4.15.9 (the latest one where I have a binary) works.
>>
>> v4.16 works just fine on beagle-xm (including audio), omap2plus_defconfig.
>>
>>> The symptoms are:
>>>
>>> [ 1.557342] twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
>>> [ 1.564788] twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
>>> [ 1.839141] TWL4030: HFCLK is not configured
>>
>> Hrm, the order looks a bit weird, it should be
>> TWL4030: HFCLK is not configured
>> twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
>> twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
>
> Indeed, but I see it is as listed:
>
> root@letux:~# dmesg|fgrep -i twl4030
> [ 1.787200] twl4030_reg 48070000.i2c:twl@48:regulator-vmmc2: can't register VMMC2, -22
> [ 1.795745] twl4030_reg: probe of 48070000.i2c:twl@48:regulator-vmmc2 failed with error -22
> [ 1.840789] TWL4030: HFCLK is not configured
> [ 1.845977] twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
> [ 1.852935] twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
> [ 6.764160] twl4030_madc 48070000.i2c:twl@48:madc: 48070000.i2c:twl@48:madc supply vusb3v1 not found, using dummy regulator
> [ 6.872253] input: twl4030_pwrbutton as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:pwrbutton/input/input2
> [ 6.997192] twl4030_gpio twl4030-gpio: can't dispatch IRQs from modules
> [ 7.120666] twl4030_usb 48070000.i2c:twl@48:twl4030-usb: Initialized TWL4030 USB module
> [ 8.176147] omap-twl4030 sound: ASoC: CODEC DAI twl4030-hifi not registered
> [ 8.183441] omap-twl4030 sound: devm_snd_soc_register_card() failed: -517
> [ 8.267120] omap-twl4030 sound: ASoC: CODEC DAI twl4030-hifi not registered
> [ 8.280975] omap-twl4030 sound: devm_snd_soc_register_card() failed: -517
> [ 8.388366] omap-twl4030 sound: ASoC: CODEC DAI twl4030-hifi not registered
> [ 8.404113] omap-twl4030 sound: devm_snd_soc_register_card() failed: -517
> [ 9.250274] omap-twl4030 sound: ASoC: CODEC DAI twl4030-hifi not registered
> [ 9.264312] omap-twl4030 sound: devm_snd_soc_register_card() failed: -517
> [ 9.653381] omap-twl4030 sound: ASoC: CODEC DAI twl4030-hifi not registered
> [ 9.664123] omap-twl4030 sound: devm_snd_soc_register_card() failed: -517
> root@letux:~#
>
>>
>> In twl4030_audio_probe() we try to get the HFCLK rate via
>> twl_get_hfclk_rate(), which is reading it with:
>> twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &ctrl, R_CFG_BOOT);
>>
>>> Those are not visible in v4.15.9. And I am not aware of any changes to the gta04 device tree.
>>>
>>> Do you know about this issue and a fix, before I start to bisect?
>>
>> The CFG_BOOT register of twl4030 is not configured correctly for some
>> reason?
>> The TRM of twl4030 states that the SW should program the HFCLK_FREQ
>> during boot sequence.
>>
>> If it is not done, MDAC and USB should not work either. And all sorts of
>> other issues might happen.
>
> Well, USB works for me... Strange.
>
>>
>> So the boot loader is not configuring the HFCLK_FREQ, for me it does as
>> I have this line in the kernel log:
>> [ 1.472503] Skipping twl internal clock init and using bootloader
>> value (unknown osc rate)
>
> root@letux:~# dmesg|fgrep -i Skipping
> [ 1.691619] Skipping twl internal clock init and using bootloader value (unknown osc rate)
> root@letux:~#
>
> So I can see this as well.
>
>>
>> In DT the twl should have the fck clock to not depend on the bootloader
>> for the HFCLK_FREQ settings.
>
> I am not even modifying the bootloader when trying v4.15 and v4.16. I just
> swap uImage and kernel modules...
>
> The interesting question is why it did work before (for years) and stopped with v4.16-rc1.
>
>> We do not have that for beagle-xm for sure.
>
> I have tried your new patches:
>
> * first patch alone shows no change
>
> root@letux:~# dmesg|fgrep -i twl4030
> [ 1.787322] twl4030_reg 48070000.i2c:twl@48:regulator-vmmc2: can't register VMMC2, -22
> [ 1.795867] twl4030_reg: probe of 48070000.i2c:twl@48:regulator-vmmc2 failed with error -22
> [ 1.834228] TWL4030: HFCLK is not configured
> [ 1.838714] twl4030-audio 48070000.i2c:twl@48:audio: Invalid audio_mclk
> [ 1.846313] twl4030-audio: probe of 48070000.i2c:twl@48:audio failed with error -22
> [ 6.700225] twl4030_madc 48070000.i2c:twl@48:madc: 48070000.i2c:twl@48:madc supply vusb3v1 not found, using dummy regulator
> [ 6.786651] input: twl4030_pwrbutton as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:pwrbutton/input/input2
> [ 6.891265] twl4030_gpio twl4030-gpio: can't dispatch IRQs from modules
> [ 7.039764] twl4030_usb 48070000.i2c:twl@48:twl4030-usb: Initialized TWL4030 USB module
> [ 8.097137] Modules linked in: snd_soc_gtm601(+) pwm_omap_dmtimer(+) connector_analog_tv(+) generic_adc_battery(+) pwm_bl(+) extcon_gpio omap3_isp(+) bq27xxx_battery_hdq bq27xxx_battery videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common omap_hdq omap2430 snd_soc_omap_mcbsp snd_soc_omap snd_pcm_dmaengine ov9655 itg3200 v4l2_fwnode v4l2_common bmp280_i2c bmp280 at24 videodev hmc5843_i2c leds_tca6507 hmc5843_core bma180 tsc2007 lis3lv02d_i2c industrialio_triggered_buffer phy_twl4030_usb lis3lv02d kfifo_buf media input_polldev gpio_twl4030 musb_hdrc twl4030_pwrbutton twl4030_charger twl4030_madc w2sg0004 industrialio ehci_omap w2cbw003_bluetooth omapdss omapdss_base cec
> [ 8.609954] omap-twl4030 sound: ASoC: CODEC DAI twl4030-hifi not registered
> [ 8.655273] omap-twl4030 sound: devm_snd_soc_register_card() failed: -517
> root@letux:~# dmesg|fgrep -i Skipping
> [ 1.691162] Skipping twl internal clock init and using bootloader value (unknown osc rate)
> root@letux:~#
>
> * porting the second patch to omap3-gta04.dtsi solved the problem (vibra and audio is working again):
>
> root@letux:~# dmesg|fgrep -i twl4030
> [ 1.777770] twl4030_reg 48070000.i2c:twl@48:regulator-vmmc2: can't register VMMC2, -22
> [ 1.786315] twl4030_reg: probe of 48070000.i2c:twl@48:regulator-vmmc2 failed with error -22
> [ 6.704376] twl4030_madc 48070000.i2c:twl@48:madc: 48070000.i2c:twl@48:madc supply vusb3v1 not found, using dummy regulator
> [ 6.755828] input: twl4030:vibrator as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:audio/twl4030-vibra/input/input2
> [ 6.835510] input: twl4030_pwrbutton as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:pwrbutton/input/input3
> [ 6.933776] twl4030_gpio twl4030-gpio: can't dispatch IRQs from modules
> [ 7.115386] twl4030_usb 48070000.i2c:twl@48:twl4030-usb: Initialized TWL4030 USB module
> [ 8.364807] omap-twl4030 sound: twl4030-hifi <-> 49022000.mcbsp mapping ok
> root@letux:~# dmesg|fgrep -i Skipping
> root@letux:~#
>
> I assume that we need a similar patch for the OpenPandora as well and prepare&submit both.
>
> BR and thanks,
> Nikolaus
>
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- Péter
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