From: Michal Simek <michal.simek@amd.com>
To: Jonathan Cameron <jic23@kernel.org>
Cc: "Sean Anderson" <sean.anderson@linux.dev>,
"Salih Erim" <salih.erim@amd.com>,
"O'Griofa, Conall" <conall.ogriofa@amd.com>,
"Anand Ashok Dumbre" <anand.ashok.dumbre@xilinx.com>,
linux-iio@vger.kernel.org,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
linux-arm-kernel@lists.infradead.org,
"Andy Shevchenko" <andy@kernel.org>,
"Manish Narani" <manish.narani@xilinx.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iio: xilinx-ams: Unmask interrupts after updating alarms
Date: Mon, 28 Jul 2025 07:54:42 +0200 [thread overview]
Message-ID: <69a99252-4f1e-4197-8914-a6fc1c6c7027@amd.com> (raw)
In-Reply-To: <20250727164336.385dda93@jic23-huawei>
On 7/27/25 17:43, Jonathan Cameron wrote:
> On Fri, 25 Jul 2025 06:47:16 +0200
> Michal Simek <michal.simek@amd.com> wrote:
>
>> On 7/24/25 17:32, Jonathan Cameron wrote:
>>> On Mon, 14 Jul 2025 20:28:47 -0400
>>> Sean Anderson <sean.anderson@linux.dev> wrote:
>>>
>>>> To convert level-triggered alarms into edge-triggered IIO events, alarms
>>>> are masked when they are triggered. To ensure we catch subsequent
>>>> alarms, we then periodically poll to see if the alarm is still active.
>>>> If it isn't, we unmask it. Active but masked alarms are stored in
>>>> current_masked_alarm.
>>>>
>>>> If an active alarm is disabled, it will remain set in
>>>> current_masked_alarm until ams_unmask_worker clears it. If the alarm is
>>>> re-enabled before ams_unmask_worker runs, then it will never be cleared
>>>> from current_masked_alarm. This will prevent the alarm event from being
>>>> pushed even if the alarm is still active.
>>>>
>>>> Fix this by recalculating current_masked_alarm immediately when enabling
>>>> or disabling alarms.
>>>>
>>>> Fixes: d5c70627a794 ("iio: adc: Add Xilinx AMS driver")
>>>> Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
>>>> ---
>>> Anand?
>>>
>>> This seems fine to me, but I'm not that familiar with the hardware or driver.
>>
>> Anand left some time ago. Salih or Conall should be able to provide some input.
>>
>> Thanks,
>> Michal
>>
>
> Hi Michal,
>
> Thanks for letting me know. Would be good to have a MAINTAINERS update patch
> to remove Anand + ideally add someone else. If not to mark it orphaned
> (will still be covered by the top level IIO entry).
Salih: Can you please send a patch for it?
It is also covered my fragment that's why you don't need to explicitly add me there.
Thanks,
Michal
next prev parent reply other threads:[~2025-07-28 5:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-15 0:28 Sean Anderson
2025-07-24 15:32 ` Jonathan Cameron
2025-07-25 4:47 ` Michal Simek
2025-07-27 15:43 ` Jonathan Cameron
2025-07-28 5:54 ` Michal Simek [this message]
2025-07-30 10:55 ` Erim, Salih
2025-08-20 11:23 ` Erim, Salih
2025-08-20 11:28 ` O'Griofa, Conall
2025-08-25 11:23 ` Jonathan Cameron
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