From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f178.google.com (mail-yw1-f178.google.com [209.85.128.178]) (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 11AD113E233 for ; Wed, 31 Jan 2024 20:24:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.178 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706732657; cv=none; b=lHBc+HKKBi5sLT5NTimTIsYcofXaVS7Y8u0wsio6Lvw5wuO4GlKZPlaf1Rly5JdSpkciqZuUUU52mwJLJU3r6uIoMmGzwg5kpPEynDqedcsJpGAsAL+DIZGfDXnD8cgBQMc1FAKxxYmyKHh3sVSpULr+uC9rPNZFAC/9J2jGiJI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706732657; c=relaxed/simple; bh=64KMf/+FyjVtpRUZmQKXmip+XQCMRyyekmcIwCIvfR0=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=bzFbgeDocbfw4kfFV+pqZzp+nHOihP0v7+MRyd6s7n7FRiUicz8YjFhhNsmmmSPpiZjaFmoRFl11PcDOq5xK7SHugNUuR2Cue934IvcNZ8QeekiFHcy7gx4OrIUeeBluyadFMUCZmSayibkItSQfte+YuX7PF4R9FO3mi0qdHPM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=cSb/6rbQ; arc=none smtp.client-ip=209.85.128.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="cSb/6rbQ" Received: by mail-yw1-f178.google.com with SMTP id 00721157ae682-604059403e9so1766347b3.3 for ; Wed, 31 Jan 2024 12:24:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1706732655; x=1707337455; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=64KMf/+FyjVtpRUZmQKXmip+XQCMRyyekmcIwCIvfR0=; b=cSb/6rbQ0yNBl6lfzR1AN2pOZbUm/8OFo6BkvatnzdMhVIQqGBHobob5lzPVhbgHqO GQzHprgxVI1xz8i4wOU5OCwYtYbJu/ANVm6a4WrylgeiR5KoX1F2RwedWkK3KvB84lc9 LC3nbcdwqSVwiD6EalSx1AhX7Kl1FXXZa+T8/p51Nph7ryrVtfw3uvxo8ncOzK8fcYJy ZHnDbqckPmAMFyw7owDg5rCGtE7a5nKsiTrDaOPTx6NPqRvSnDs9wlDb3u00Yhp6qQLG 7aFzv70gJYpQ0bvD2pPAtjYdGbSk5seqDNBgPRzgUPD6Q/mnPnbo6GMAvZR2o5JW0Z+P 6J3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706732655; x=1707337455; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=64KMf/+FyjVtpRUZmQKXmip+XQCMRyyekmcIwCIvfR0=; b=DSaUfSNLofRybVij2TNlIv872EzoTJ/IION8q+oEw6qRRV+JrCe7G82OIGF4Bz5wqY kA9G/A6c8yPL/7wJI57jEx1RaUiD0kRnfPmlYuYlJb/Q8zbutYPIZ0wyosrkpVFNwO2m r/YbQ6uzgJlD3MtzERI9pw2CK5EBxSoO8cE7Q5CkxasOr4D+Q+YXoT1E4IrhnMleEY+a QDyk0MKd2QmTpnYgr9uXJHfJMd8UuVGnHPOVs3EVAMDULRup/mLSWuEBbWjyA36vP7S8 Av+bMAL9lcGNJ1f8NLS5rkAV7acVW82TGSFXPxcYaMaAZuaCXvvxE5n7c49jWF6J8de3 A9+Q== X-Gm-Message-State: AOJu0Yx0aZvlgagkx9uS+uZnD0uzJ4BorHBD5Ks/fphZ3a/V76NHKSHb T5rFyrgXx/3Ptdnn42aZ7sjS69yp2JWRQrYGh+CqDks0KIZlU28npQKg9u8JnyE6xZ8dkLYjwrh YQMZhr6ZvghNTJLwPvT5ZWcnceTXhymVjtZ7Igy6Fmu42ptWD5Yw= X-Google-Smtp-Source: AGHT+IF1QF/qVP8hWirLpqPTh4WqY/koXmDouYX7xW9tJ0uXH/T8LEu41dns0v8qPg9Pknhpq6nH2WDb4tKsn16RMsU= X-Received: by 2002:a81:9a09:0:b0:604:18dd:881c with SMTP id r9-20020a819a09000000b0060418dd881cmr159836ywg.49.1706732655001; Wed, 31 Jan 2024 12:24:15 -0800 (PST) Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240130124828.14678-1-brgl@bgdev.pl> <20240130124828.14678-22-brgl@bgdev.pl> In-Reply-To: <20240130124828.14678-22-brgl@bgdev.pl> From: Linus Walleij Date: Wed, 31 Jan 2024 21:24:04 +0100 Message-ID: Subject: Re: [PATCH 21/22] gpio: remove the RW semaphore from the GPIO device To: Bartosz Golaszewski Cc: Kent Gibson , Alex Elder , Geert Uytterhoeven , "Paul E . McKenney" , Andy Shevchenko , Wolfram Sang , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, Jan 30, 2024 at 1:48=E2=80=AFPM Bartosz Golaszewski = wrote: > From: Bartosz Golaszewski > > With all accesses to gdev->chip being protected with SRCU, we can now > remove the RW-semaphore specific to the character device which > fullfilled the same role up to this point. > > Signed-off-by: Bartosz Golaszewski Reviewed-by: Linus Walleij Yours, Linus Walleij