From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ua1-f43.google.com (mail-ua1-f43.google.com [209.85.222.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E1DBB242D6C for ; Sun, 7 Dec 2025 15:59:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.43 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765123168; cv=none; b=gVF0AWS6QR4Am2H3ebDmO8aYmTxekPUrxnB1ASa8pWETexcJIflyzFFsntyZx5IMq6/m/DMkmo2WvbckuAhGI/QBH7V6q+BwNuBPAYD0C9fbgTn1U1/30wpSYhQ4kRiDRKudWg5yXFuTQc5ZLy6ZAvlsGR/DEwNYSDos+vWAVWw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765123168; c=relaxed/simple; bh=Ebs9xnJdozT9JhjRrPwwYTQ932pWegL9n1JhdAV3v+o=; h=Content-Type:Date:Message-Id:To:Cc:Subject:From:Mime-Version: References:In-Reply-To; b=B/Pg1GrikFB8S+67qbXFYrvF/nqQgA0CSZvVqHutlzFnkw6IQhErmut8i7Kb5l5sSPXj0rU+94Cy5w+aUjdqBKVnFQKQPByz6ioVJ4mv50A6lE372rHNrpa8Tl+v6o2li5EA0AKZ7vL5dAfBRRp/4KjFDq0A0V79ml0AQ51G7lo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=jD5GHYkO; arc=none smtp.client-ip=209.85.222.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jD5GHYkO" Received: by mail-ua1-f43.google.com with SMTP id a1e0cc1a2514c-9371f7571cfso1052157241.1 for ; Sun, 07 Dec 2025 07:59:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1765123166; x=1765727966; darn=vger.kernel.org; h=in-reply-to:references:content-transfer-encoding:mime-version:from :subject:cc:to:message-id:date:from:to:cc:subject:date:message-id :reply-to; bh=lAgMFlNyMLRLjBCsqD3swe1jJ7Gk8kx8vIqYEMB0v5c=; b=jD5GHYkOoZJtlPbwPMQxVecjjv7TiUINuO67OuNnFhhNExLfGhLcBVXCrhUWak3tO0 dIaqi+s7rxlnhHcvAqTSU2+x6o0R0ZtWcJwYepGzuEDFuNx6n2Zgj3ldsCCcCO+o4S4G h13TnhN65CHJzJRILtDB5PDo6jjO/GV/owvtwN5tHUc0CBfPu5NMy8vsbRMrWyzBmyW1 6IBy7F7IcuAf7KlFvXnR3yF4fJzkQc/UUOq16Zf824SRxM44n9OepH8t8HhlZ8mA7Psn EQ2TjzTi4AawbuvskfbXY8u3C6GE+WgqPgp7BqHl+Q9ogF9GsLLp4oXRitbE8/dKmwXZ C/mA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1765123166; x=1765727966; h=in-reply-to:references:content-transfer-encoding:mime-version:from :subject:cc:to:message-id:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=lAgMFlNyMLRLjBCsqD3swe1jJ7Gk8kx8vIqYEMB0v5c=; b=rsNUMEPYtXIufEoZkxacfJpou4Kg7BDHzeUDIJtinT9FGebTsPi+E4UWfOOBoEa/yF UJpJ9Ejs1BjtaaUqeZ4ZvdXTorq2brwoipHO8tp17Ssxl8N37zgBduXwkJ9aN1NL24iM CvllIshlhUN689vtmAAtYsiRIu7ax7KRon8KIq5lcSBd3CeaL5SADYfB9AAUHbA9Dr0R KRTSGJAW+Sg45SJJ1t7+L/2H3mog+yuBziSC4NIXiQJOoaiI7Ae7J3uQXMMLv5fWXMFB /v6MlVcKvQ5SdRn2KewVjQMEsV4vDDHoPQ6NcV7/9VUDFOgwcYVvxOpO/Flbz/bNg+7o eMog== X-Forwarded-Encrypted: i=1; AJvYcCWFti6VygM5YNE+bHPxxk/4dPorpPXkpLTgYRiFIZAS87GojUzXpQ73RcsV8zTPX1N2YewKj3dWcxs=@vger.kernel.org X-Gm-Message-State: AOJu0Yy15yYyQcJ8K2gyIrk/4aho7C9fxyBmOwDcgSb5Twt143C1RHTH V0a+nCAEqieI3gulPJlQqgVc8lI9xVMWqdACt5dt6pvLt+1os6dDIK0Z X-Gm-Gg: ASbGnculWr7rEhQwp0qQSTTAuTrjHpTVLEzqAjemfoQTtUnkjR6ucSAVtubLYKL+JFM mOa14xiBhc3sTgdAtzJZx8c/uEQ25uILUUMF0ALKFDAOWXebrAiPEOnGKc56/CbEIBG2GpOc5Mh oBdg9k5WN/Q7w7Wp+gPw4XY9J7uSFrq5ICTmrhRIZLyX3piGl2JACbpa5Us149GgCHchKASyAe1 28Tvq+zvFRUNpMX99gXCkCS8N9CgLUhteBvrw06VmMpMRB5iuiUvPca0qdVEyLsq3o+s/YmRxEw aPmR8eREcxklU9M0MOHCpXQsEYpW5R4Jv84GkY2Rf+/vglVT4zKY3RVYjH9cIrlAlaLGpQgYwlP oQat1bt/ITzZTs8gkBVNYp9Jv6UE3looHFRaOpkJuyU9qRmf7rqhgGrEvAkDv4pUdnRVehtN2e2 /0Bgw= X-Google-Smtp-Source: AGHT+IFfxCyfUKoveUH7oGp1n4BsXKh+nrF3WusJSRi8+b035IQ1lyTlQABylKlq6X/maPcFuV+GdQ== X-Received: by 2002:a05:6102:1590:b0:5de:8e5:222d with SMTP id ada2fe7eead31-5e52cbda9admr1225249137.22.1765123165695; Sun, 07 Dec 2025 07:59:25 -0800 (PST) Received: from localhost ([2800:bf0:82:3d2:875c:6c76:e06b:3095]) by smtp.gmail.com with ESMTPSA id ada2fe7eead31-5e510cbb3dasm4480414137.9.2025.12.07.07.59.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); 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-iio@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