Re: [Kernel] [PATCH v2 4/5] ARM: dts: omap5: describe control for ckobuffer

From: Tero Kristo <t-kristo-l0cyMroinI0@public.gmane.org>
To: Peter Ujfalusi <peter.ujfalusi-l0cyMroinI0@public.gmane.org>,
	"H. Nikolaus Schaller"
	<hns-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
Cc: "Mark Rutland" <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"Discussions about the Letux Kernel"
	<letux-kernel-S0jZdbWzriLCfDggNXIi3w@public.gmane.org>,
	"Russell King" <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
	"Pawel Moll" <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
	"Ian Campbell"
	<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
	"Tony Lindgren" <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>,
	kernel-Jl6IXVxNIMRxAtABVqVhTwC/G2K4zDHf@public.gmane.org,
	LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"Rob Herring" <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	"Laxman Dewangan"
	<ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	"Benoît Cousson"
	<bcousson-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>,
	"Kumar Gala" <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	"Marek Belisko" <marek-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>,
	linux-omap <linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [Kernel] [PATCH v2 4/5] ARM: dts: omap5: describe control for ckobuffer
Date: Mon, 9 May 2016 17:09:12 +0300	[thread overview]
Message-ID: <57309A08.10704@ti.com> (raw)
In-Reply-To: <3973330a-8a73-89fa-8e09-383407d0eaf9-l0cyMroinI0@public.gmane.org>

On 09/05/16 16:52, Peter Ujfalusi wrote:
> On 05/09/16 15:46, Peter Ujfalusi wrote:
>> On 05/09/16 15:32, Peter Ujfalusi wrote:
>>> On 05/09/16 15:10, Peter Ujfalusi wrote:
>>>
>>>>>> finally I found some time to apply your patches. Sorry for the long time.
>>>>>>
>>>>>> Unfortunately, it does not work. Neither on omap5evm nor on our omap5 hardware.
>>>>>> I get no sound on the twl6040 - just white noise (which can be controlled in
>>>>>> level through
>>>>>> amixer so it is created on the digital input side of the twl6040).
>>>>>>
>>>>>> So I think your patch is missing a detail compared to my simple solution.
>>>>>
>>>>> Did you implement anything on the audio driver side? The audio driver must
>>>>> enable the clock implemented by this patch.
>>>>
>>>> I did, can test it in 10 minutes or so...
>>>
>>> might work, but linux-next is not booting on omap5-uevm :o I don't know why...
>>
>> Applying Tero's alone makes the board not to boot, so something there... I can
>> not see anything even with low-level debugging enabled :( I can not debug it
>> further today, will look at this tomorrow.
>
> The crash is in arch/arm/mach-omap2/control.c:omap_control_init()
>
> the syscon_node_to_regmap() returns with error for the new
> omap5_scm_wkup_pad_conf node. The other syscon was OK, but becasue of the
> return PTR_ERR(syscon) the board will not boot...
>
> Tero: any idea?

I can check this tomorrow at my end.

-Tero

>
>>> In any case I have attached the 3 patches I have for this, including Tero's
>>> ported to linux-next.
>>>
>>> Patch 3 might need to be done per board probably, but this should be good for
>>> testing.
>>>
>>>
>>>
>>> _______________________________________________
>>> Kernel mailing list
>>> Kernel-Jl6IXVxNIMRxAtABVqVhTwC/G2K4zDHf@public.gmane.org
>>> http://pyra-handheld.com/cgi-bin/mailman/listinfo/kernel
>>>
>>
>>
>
>

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