netdev - Re: [PATCH v2 net] ptp: ocp: adjust serial port symlink creation

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Date: Wed, 5 Jun 2024 00:53:13 +0100
From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Jakub Kicinski <kuba@...nel.org>, Jiri Slaby <jirislaby@...nel.org>,
 Jonathan Lemon <jonathan.lemon@...il.com>, linux-serial@...r.kernel.org,
 netdev@...r.kernel.org
Subject: Re: [PATCH v2 net] ptp: ocp: adjust serial port symlink creation

On 04/06/2024 12:50, Greg Kroah-Hartman wrote:
> On Wed, May 22, 2024 at 01:39:21PM +0100, Vadim Fedorenko wrote:
>> On 10/05/2024 12:13, Greg Kroah-Hartman wrote:
>>> On Fri, May 10, 2024 at 11:04:05AM +0000, Vadim Fedorenko wrote:
>>>> The commit b286f4e87e32 ("serial: core: Move tty and serdev to be children
>>>> of serial core port device") changed the hierarchy of serial port devices
>>>> and device_find_child_by_name cannot find ttyS* devices because they are
>>>> no longer directly attached. Add some logic to restore symlinks creation
>>>> to the driver for OCP TimeCard.
>>>>
>>>> Fixes: b286f4e87e32 ("serial: core: Move tty and serdev to be children of serial core port device")
>>>> Signed-off-by: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
>>>> ---
>>>> v2:
>>>>    add serial/8250 maintainers
>>>> ---
>>>>    drivers/ptp/ptp_ocp.c | 30 +++++++++++++++++++++---------
>>>>    1 file changed, 21 insertions(+), 9 deletions(-)
>>>
>>> Hi,
>>>
>>> This is the friendly patch-bot of Greg Kroah-Hartman.  You have sent him
>>> a patch that has triggered this response.  He used to manually respond
>>> to these common problems, but in order to save his sanity (he kept
>>> writing the same thing over and over, yet to different people), I was
>>> created.  Hopefully you will not take offence and will fix the problem
>>> in your patch and resubmit it so that it can be accepted into the Linux
>>> kernel tree.
>>>
>>> You are receiving this message because of the following common error(s)
>>> as indicated below:
>>>
>>> - You have marked a patch with a "Fixes:" tag for a commit that is in an
>>>     older released kernel, yet you do not have a cc: stable line in the
>>>     signed-off-by area at all, which means that the patch will not be
>>>     applied to any older kernel releases.  To properly fix this, please
>>>     follow the documented rules in the
>>>     Documentation/process/stable-kernel-rules.rst file for how to resolve
>>>     this.
>>>
>>> If you wish to discuss this problem further, or you have questions about
>>> how to resolve this issue, please feel free to respond to this email and
>>> Greg will reply once he has dug out from the pending patches received
>>> from other developers.
>>
>> Hi Greg!
>>
>> Just gentle ping, I'm still looking for better solution for serial
>> device lookup in TimeCard driver.
> 
> See my comment on the other patch in this thread.
> 
> In short, you shouldn't need to do any of this.

Got it, thanks. I'll try to find another way.


> thanks,
> 
> greg k-h