Re: [PATCH RESEND TO CC MAILLIST] i2c: designware: fix master holding SCL low when I2C_DYNAMIC_TAR_UPDATE not set

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On 2024/11/6 17:46, Andi Shyti wrote:
> External Mail: This email originated from OUTSIDE of the organization!
> Do not click links, open attachments or provide ANY information unless you recognize the sender and know the content is safe.
> 
> 
> Hi Liu,
> 
> On Wed, Nov 06, 2024 at 03:27:42PM +0800, Liu Peibao wrote:
>> On 2024/11/6 4:30, Andi Shyti wrote:
>>> On Fri, Nov 01, 2024 at 06:18:36PM +0800, Liu Peibao wrote:
>>>> On 2024/11/1 16:44, Andy Shevchenko wrote:
>>>>> External Mail: This email originated from OUTSIDE of the organization!
>>>>> Do not click links, open attachments or provide ANY information unless you recognize the sender and know the content is safe.
>>>>>
>>>>> On Fri, Nov 01, 2024 at 04:12:43PM +0800, Liu Peibao wrote:
>>>>>> When Tx FIFO empty and last command with no STOP bit set, the master
>>>>>> holds SCL low. If I2C_DYNAMIC_TAR_UPDATE is not set, BIT(13) MST_ON_HOLD
>>>>>> of IC_RAW_INTR_STAT is not Enabled, causing the __i2c_dw_disable()
>>>>>> timeout. This is quiet similar as commit 2409205acd3c ("i2c: designware:
>>>>>> fix __i2c_dw_disable() in case master is holding SCL low") mentioned.
>>>>>> Check BIT(7) MST_HOLD_TX_FIFO_EMPTY in IC_STATUS also which is available
>>>>>> when IC_STAT_FOR_CLK_STRETCH is set.
>>>>>
>>>>> Who are those people? Why Angus Chen is not a committer of the change?
>>>>> Please, consult with the Submitting Patches documentation to clarify on these
>>>>> tags.
>>>>>
>>>>
>>>> We have discussed and analyzed this issue together. I developed this patch.
>>>> This patch was also reviewed by Angus Chen and Xiaowu Ding.
>>>
>>> The tag list follows a specific order: tags are sorted
>>> sequentially, with the last Signed-off-by (SoB) being the person
>>> sending the patch, which is your email.
>>>
>>> The other SoBs are fine, but if someone contributed to
>>> development, consider using "Co-developed-by" instead.
>>>
>>> If someone tested the patch, use "Tested-by"; if they reviewed
>>> it, use "Reviewed-by"; and if they simply agreed with the
>>> change, use "Acked-by."
>>>
>>> Please ensure that "Reviewed-by," "Tested-by," or "Acked-by"
>>> tags are visible in the mailing list. I do not typically accept
>>> offline R-b, T-b, or A-b.
>>>
>>> This is why Andy asked about those contributors. Three SoBs can
>>> seem unusual, but it's acceptable if justified. Reviewers may
>>> ask for clarification, and it's fine to specify contributors'
>>> roles. You can also provide extra details after the "---"
>>> delimiter.
>>>
>>
>> I think this tag list should be much better than the original. ^-^
>>
>> Fixes: 2409205acd3c ("i2c: designware: fix __i2c_dw_disable() in case master is holding SCL low")
>> Co-developed-by: xiaowu.ding <xiaowu.ding@xxxxxxxxxxxxxxx>
>> Signed-off-by: xiaowu.ding <xiaowu.ding@xxxxxxxxxxxxxxx>
>> Co-developed-by: Angus Chen <angus.chen@xxxxxxxxxxxxxxx>
>> Signed-off-by: Angus Chen <angus.chen@xxxxxxxxxxxxxxx>
>> Signed-off-by: Liu Peibao <loven.liu@xxxxxxxxxxxxxxx>
> 
> Thanks, this make much more sense now.
> 
> Just one question, do we want to keep xiaowu.ding or Xiaowu Ding?
> Can I change it to the second way? It looks better and that's how
> it's normally signed.
> 

I have confirmed with Xiaowu, and that is surely okay.

BR,
Peibao




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