Re: [PATCH] pps: clients: gpio: Propagate return value from pps_gpio_probe

From: Rodolfo Giometti
Date: Wed Feb 02 2022 - 12:40:56 EST


This is a multi-part message in MIME format.On 02/02/22 18:04, Robert Hancock wrote:
> On Sun, 2022-01-30 at 10:35 +0100, Rodolfo Giometti wrote:
>> On 29/01/22 23:02, Robert Hancock wrote:
>>> On Thu, 2022-01-13 at 09:17 +0100, Rodolfo Giometti wrote:
>>>> On 12/01/22 22:07, Andy Shevchenko wrote:
>>>>> On Wed, Jan 12, 2022 at 02:52:14PM -0600, Robert Hancock wrote:
>>>>>> If the pps-gpio driver was probed prior to the GPIO device it uses,
>>>>>> the
>>>>>> devm_gpiod_get call returned an -EPROBE_DEFER error, but
>>>>>> pps_gpio_probe
>>>>>> replaced that error code with -EINVAL, causing the pps-gpio probe to
>>>>>> fail and not be retried later. Propagate the error return value so
>>>>>> that
>>>>>> deferred probe works properly.
>>>>>
>>>>> FWIW,
>>>>> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
>>>>
>>>> Acked-by: Rodolfo Giometti <giometti@xxxxxxxxxxxx>
>>>
>>> It's not entirely clear to me what tree PPS patches are supposed to go
>>> through.
>>> Seems like some recent ones have gone through char-misc? Not sure if
>>> someone
>>> has this in their queue?
>>
>> LinuxPPS has no its own tree. All related patches usually are sent to me to
>> be
>> acked and to Greg Kroah-Hartman for inclusion.
>>
>> Ciao,
>>
>> Rodolfo
>>
>
> It looks like some MAINTAINERS links should maybe be updated for PPS - the
> referenced page at http://wiki.enneenne.com/index.php/LinuxPPS_support seems to
> be dead. There is http://linuxpps.org/doku.php which points to a new mailing
> list location as well,

Yeah. Attached is a patch to fix these.

> but that seems to have very little activity.

That's one of reasons why LunuxPPS doesn't have its own tree. :)

Ciao,

Rodolfo

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