From: Bastien Curutchet <bastien.curutchet@bootlin.com>
To: Rodolfo Giometti <giometti@enneenne.com>
Cc: linux-kernel@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
herve.codina@bootlin.com, christophercordahi@nanometrics.ca,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v3 1/1] pps: clients: gpio: Bypass edge's direction check when not needed
Date: Wed, 4 Dec 2024 11:34:42 +0100 [thread overview]
Message-ID: <39b78b3e-466c-4ab2-81a0-1633df48ef3e@bootlin.com> (raw)
In-Reply-To: <956e2244-a95e-4c5e-a4a3-fb694c124739@enneenne.com>
Hi Rodolfo,
I revive this topic.
On 6/26/24 4:16 PM, Rodolfo Giometti wrote:
> On 26/06/24 14:55, Bastien Curutchet wrote:
>> Hi Rodolfo
>>
>> On 4/25/24 14:42, Rodolfo Giometti wrote:
>>> On 25/04/24 14:28, Bastien Curutchet wrote:
>>>> In the IRQ handler, the GPIO's state is read to verify the direction of
>>>> the edge that triggered the interruption before generating the PPS
>>>> event.
>>>> If a pulse is too short, the GPIO line can reach back its original
>>>> state
>>>> before this verification and the PPS event is lost.
>>>>
>>>> This check is needed when info->capture_clear is set because it needs
>>>> interruptions on both rising and falling edges. When info-
>>>> >capture_clear
>>>> is not set, interruption is triggered by one edge only so this check
>>>> can
>>>> be omitted.
>>>>
>>>> Add a warning if irq_handler is left without triggering any PPS event.
>>>> Bypass the edge's direction verification when info->capture_clear is
>>>> not
>>>> set.
>>>>
>>>> Signed-off-by: Bastien Curutchet <bastien.curutchet@bootlin.com>
>>>
>>> Acked-by: Rodolfo Giometti <giometti@enneenne.com>
>>>
>>
>> I don't think I've received any updates since you acked this. Is there
>> something missing before the patch can be applied?
>
> No updates. It can be applied.
>
In the MAINTAINER file, you are listed as the sole maintainer for the
PPS subsystem. Could you let me know if there's someone else in charge
of applying patches so I can gently ping them please ?
I checked, the patch still applies to v6.13-rc1
Best regards,
Bastien
next prev parent reply other threads:[~2024-12-04 10:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-25 12:28 Bastien Curutchet
2024-04-25 12:42 ` Rodolfo Giometti
2024-06-26 12:55 ` Bastien Curutchet
2024-06-26 14:16 ` Rodolfo Giometti
2024-12-04 10:34 ` Bastien Curutchet [this message]
2024-12-04 11:00 ` Rodolfo Giometti
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