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Sun, 07 Dec 2025 07:59:25 -0800 (PST) Content-Type: text/plain; charset=UTF-8 Date: Sun, 07 Dec 2025 10:59:22 -0500 Message-Id: To: "Jonathan Cameron" , =?utf-8?q?Nuno_S=C3=A1?= Cc: "Kurt Borja" , "Andy Shevchenko" , "Lars-Peter Clausen" , "Michael Hennerich" , "Benson Leung" , "Antoniu Miclaus" , "Gwendal Grignou" , "Shrikant Raskar" , "Per-Daniel Olsson" , "David Lechner" , =?utf-8?q?Nuno_S=C3=A1?= , "Andy Shevchenko" , "Guenter Roeck" , "Jonathan Cameron" , , , Subject: Re: [PATCH RFC 1/6] iio: core: Match iio_device_claim_*() return semantics From: "Kurt Borja" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: aerc 0.21.0-0-g5549850facc2 References: <20251203-lock-impr-v1-0-b4a1fd639423@gmail.com> <20251203-lock-impr-v1-1-b4a1fd639423@gmail.com> <9562673ef83dd73b6092b5a7d2042b380a55700c.camel@gmail.com> <20251206180546.2a8b8780@jic23-huawei> In-Reply-To: <20251206180546.2a8b8780@jic23-huawei> On Sat Dec 6, 2025 at 1:05 PM -05, Jonathan Cameron wrote: > On Thu, 04 Dec 2025 14:23:19 +0000 > Nuno S=C3=A1 wrote: > >> On Wed, 2025-12-03 at 14:18 -0500, Kurt Borja wrote: >> > In order to improve API consistency with conditional locks, use >> > true/false return semantics in iio_device_claim_buffer_mode(). >> >=20 >> > This also matches iio_device_claim_direct() return semantics. >> >=20 >> > Signed-off-by: Kurt Borja >> > --- =20 >>=20 >> Even if the rest gets a NACK, I think at least this patch makes sense. I= n fact I >> would even extend it so that we have the same inline API with proper ann= otations: >>=20 >> https://elixir.bootlin.com/linux/v6.18/source/include/linux/iio/iio.h#L6= 79 >>=20 >> So it really has the same semantics as iio_device_claim_direct() > > Yeah. This was on my mental todo list. So great to see Kurt > dealing with it! :) These calls are much rarer than the direct ones > so I wasn't so fussed about getting the sparse coverage. Makes > sense to do it just wasn't high priority. > > As Nuno, suggested though I would like the sparse support for these. > > Jonathan Hi Jonathan, Great! I'll squash all "semantics" patches and add sparse support. --=20 ~ Kurt