Re: [Gumstix-users] Fwd: TVP514x, 3.5 Kernel, Yocto

[<ge...@th...>]

I enabled verbose debug messages:

http://pastebin.com/T7jtcADC

It is in the media_entity_create_link that the system crashes.

> Here is a pastebin of the crash:
>
> http://pastebin.com/cpbz5sMx
>
> Thanks
>
>> Gilles,
>>
>>   Good call on the platform data. The system now boots but during the
>> process there is a kernel panic. This weekend I will try to capture the
>> boot process and analyze. Also I did not check my hardware configuration
>> against the platform data you suggested, perhaps there is something to
>> change.
>>
>>   Will update on the weekend
>>
>> Thanks,
>> -Geoff
>>
>>> Hi Geoff,
>>>
>>> 2013/2/21  <ge...@th...>:
>>>> I just checked the boot messages and with the correct chip name
>>>> "TVP5146"
>>>> it does change things.
>>>>
>>>> See: http://pastebin.com/Wu4ksYKT
>>>>
>>>> [    2.486724] tvp5146: No platform data!!
>>>> [    2.490905] isp_register_subdev_group: Unable to register subdev
>>>> tvp5146
>>>>
>>>>
>>>> Does that help to shed light on the problem?
>>>>
>>>> Thanks,
>>>> -Geoff
>>> This confirms that you are in the "probe" function of the TVP514x
>>> driver.
>>> Now, you are missing some information the driver needs ("No platform
>>> data!").
>>>
>>> This platform data looks like this (defined in
>>> include/media/tvp514x.h):
>>>
>>> struct tvp514x_platform_data {
>>> 	/* Interface control params */
>>> 	bool clk_polarity;
>>> 	bool hs_polarity;
>>> 	bool vs_polarity;
>>> };
>>>
>>> You need to define this in "board-overo.c", this should look like
>>> (note that you need to set the right parameters there. this depends on
>>> your HW configuration)
>>> static struct tvp514x_platform_data tvp5146_pdata = {
>>>                  .clk_polarity = 0,
>>>                  .hs_polarity  = 1,
>>>                  .vs_polarity  = 1,
>>> };
>>>
>>> static struct i2c_board_info tvp514x_i2c_device = {
>>> 	I2C_BOARD_INFO("tvp514x", TVP514x_I2C_ADDR),
>>>         .platform_data = &tvp5146_pdata,
>>> };
>>>
>>> I don't know if it will help getting rid of v4l2_subdev error, but it
>>> should help getting further in driver initialisation.
>>> Gilles.
>>>
>>> ------------------------------------------------------------------------------
>>> Everyone hates slow websites. So do we.
>>> Make your web apps faster with AppDynamics
>>> Download AppDynamics Lite for free today:
>>> http://p.sf.net/sfu/appdyn_d2d_feb
>>> _______________________________________________
>>> gumstix-users mailing list
>>> gum...@li...
>>> https://lists.sourceforge.net/lists/listinfo/gumstix-users
>>>
>>
>>
>>
>> ------------------------------------------------------------------------------
>> Everyone hates slow websites. So do we.
>> Make your web apps faster with AppDynamics
>> Download AppDynamics Lite for free today:
>> http://p.sf.net/sfu/appdyn_d2d_feb
>> _______________________________________________
>> gumstix-users mailing list
>> gum...@li...
>> https://lists.sourceforge.net/lists/listinfo/gumstix-users
>>
>
>
> ------------------------------------------------------------------------------
> Everyone hates slow websites. So do we.
> Make your web apps faster with AppDynamics
> Download AppDynamics Lite for free today:
> http://p.sf.net/sfu/appdyn_d2d_feb
> _______________________________________________
> gumstix-users mailing list
> gum...@li...
> https://lists.sourceforge.net/lists/listinfo/gumstix-users
>