From: Janani Sunil <jananisunil.dev@gmail.com>
To: Andy Shevchenko <andriy.shevchenko@intel.com>,
Janani Sunil <janani.sunil@analog.com>
Cc: "Nuno Sá" <nuno.sa@analog.com>,
"Michael Hennerich" <Michael.Hennerich@analog.com>,
"Jonathan Cameron" <jic23@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Andy Shevchenko" <andy@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Olivier Moysan" <olivier.moysan@foss.st.com>,
"Philipp Zabel" <p.zabel@pengutronix.de>,
"Linus Walleij" <linusw@kernel.org>,
"Bartosz Golaszewski" <brgl@kernel.org>,
"Jonathan Corbet" <corbet@lwn.net>,
"Shuah Khan" <skhan@linuxfoundation.org>,
"Michael Walle" <mwalle@kernel.org>,
linux@analog.com, linux-iio@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-gpio@vger.kernel.org, linux-doc@vger.kernel.org,
"Uwe Kleine-König" <u.kleine-koenig@baylibre.com>
Subject: Re: [PATCH v4 12/14] gpio: regmap: Add optional runtime PM support
Date: Tue, 25 Aug 2026 15:50:56 +0200 [thread overview]
Message-ID: <77daa3ee-e5cd-4be9-8110-6f31c90f76d6@gmail.com> (raw)
In-Reply-To: <aov7QpTVLDZ9PEkw@ashevche-desk.local>
On 8/24/26 10:05, Andy Shevchenko wrote:
> On Fri, Aug 21, 2026 at 04:07:05PM +0200, Janani Sunil wrote:
>> Some gpio-regmap consumers share their regmap with a parent device that
>> may be runtime suspended. GPIO register accesses must resume that device
>> first.
>>
>> Add an optional pm_dev field and acquire it before register translation
>> or access. Release it using runtime autosuspend after each operation.
>> Keep the device active across the complete direction-output sequence and
>> propagate failure when setting the initial output value.
>> +DEFINE_GUARD(gpio_regmap_runtime, struct gpio_regmap *,
>> + gpio_regmap_runtime_get(_T), gpio_regmap_runtime_put(_T))
> This is not used, it's for guard()() case.
>
DEFINED_GUARD() was added because DEFINE_GUARD_COND() extends that class and reuses its type, destructor and error helpers.
Regards,
Jan
next prev parent reply other threads:[~2026-08-25 13:51 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-21 14:06 [PATCH v4 00/14] iio: adc: Add AD7768/AD7768-4 ADC driver support Janani Sunil
2026-08-21 14:06 ` [PATCH v4 01/14] iio: adc: adi-axi-adc: Initialize state mutex Janani Sunil
2026-08-23 18:52 ` Jonathan Cameron
2026-08-23 19:05 ` Jonathan Cameron
2026-08-21 14:06 ` [PATCH v4 02/14] dt-bindings: iio: adc: Add AD7768 Janani Sunil
2026-08-21 15:57 ` David Lechner
2026-08-23 1:45 ` Jonathan Cameron
2026-08-21 14:06 ` [PATCH v4 03/14] iio: backend: Add support for CRC Janani Sunil
2026-08-21 16:02 ` David Lechner
2026-08-21 14:06 ` [PATCH v4 04/14] iio: adc: adi-axi-adc: " Janani Sunil
2026-08-21 16:03 ` David Lechner
2026-08-21 14:06 ` [PATCH v4 05/14] iio: adc: Add AD7768 and AD7768-4 core support Janani Sunil
2026-08-22 17:30 ` David Lechner
2026-08-23 8:35 ` Andy Shevchenko
2026-08-25 10:43 ` Janani Sunil
2026-08-23 19:16 ` Jonathan Cameron
2026-08-21 14:06 ` [PATCH v4 06/14] iio: adc: ad7768: Add configurable sampling modes Janani Sunil
2026-08-23 19:25 ` Jonathan Cameron
2026-08-24 6:43 ` Andy Shevchenko
2026-08-21 14:07 ` [PATCH v4 07/14] iio: adc: ad7768: Add calibration controls Janani Sunil
2026-08-24 6:50 ` Andy Shevchenko
2026-08-21 14:07 ` [PATCH v4 08/14] iio: adc: ad7768: Add per-channel conversion delay Janani Sunil
2026-08-24 7:10 ` Andy Shevchenko
2026-08-25 13:17 ` Janani Sunil
2026-08-21 14:07 ` [PATCH v4 09/14] iio: adc: ad7768: Add VCM regulator support Janani Sunil
2026-08-24 7:13 ` Andy Shevchenko
2026-08-21 14:07 ` [PATCH v4 10/14] iio: adc: ad7768: Register GPIO auxiliary device Janani Sunil
2026-08-21 14:07 ` [PATCH v4 11/14] gpio: regmap: Use regmap_test_bits() for single bit reads Janani Sunil
2026-08-24 7:47 ` Andy Shevchenko
2026-08-21 14:07 ` [PATCH v4 12/14] gpio: regmap: Add optional runtime PM support Janani Sunil
2026-08-24 8:05 ` Andy Shevchenko
2026-08-25 13:50 ` Janani Sunil [this message]
2026-08-21 14:07 ` [PATCH v4 13/14] gpio: ad7768: Add AD7768 GPIO auxiliary driver Janani Sunil
2026-08-23 19:39 ` Jonathan Cameron
2026-08-24 8:13 ` Andy Shevchenko
2026-08-25 19:37 ` Linus Walleij
2026-08-24 8:10 ` Andy Shevchenko
2026-08-25 19:40 ` Linus Walleij
2026-08-21 14:07 ` [PATCH v4 14/14] Documentation: iio: Add AD7768 Documentation Janani Sunil
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