[linux-dvb] [PATCH 1/3] Fix a problem during the access to the IER and ISR registers of the SA7146

Dominik Strasser dominik at die-strassers.de
Sun Dec 17 11:26:40 CET 2006


Oliver Endriss schrieb:
> e9hack wrote:
>   
>> Oliver Endriss wrote:
>>     
>>> e9hack wrote:
>>>   
>>>       
Hi Oliver and Hartmut,
>>>> +                       /* this is normal when probing the bus
>>>> +                        * (no answer from nonexisistant device...)
>>>> +                        */
>>>> +                       DEB_I2C(("saa7146_i2c_writeout: timed out waiting for end of xfer\n"));
>>>> +                       return -EIO;
>>>>     
>>>>         
>>> Are you able to trigger this timeout? Is yes, how?
>>>
>>> Imho it cannot happen anymore (because of [1]) unless the hardware is
>>> broken. Even with nonexistent devices there should be an I2C irq.
>>>
>>> Anyway, it is a good idea to add this timeout protection.
>>>   
>>>       
>> I didn't see such a timeout.
>>     
>>> If it cannot happen under normal circumstances you should replace
>>> DEB_I2C by printk.
>>>       
I am getting swamped by this message. It occurs every second.
My HW is an 1.3 FSC DVB-C + Cinergy T2 + Cinergy T-1200.

Anything I can do to debug this ?

Regards

Dominik





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