From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 83B3C2C68A; Thu, 25 Jan 2024 10:42:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706179353; cv=none; b=nw81h/hgHNL90AU6RqcHY4DE3qbLeLM72nMH5i0q3G2ydnHTAcHxPT6fY0akjC9jkrQ/fthYBs/Yd6MZ2bitnzhAl60LnKnhsqvtFbIPFmcnVtAZZtuBD++8u4EvDrquNRpv0tcc8cb3tGj6gi5uD+zX+sQRNrn9UndRwklmnzQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706179353; c=relaxed/simple; bh=1/AQZg5NNw9HG13KiYI6HfNvwqZ4xcS6GaNad1Jmb/I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sObF5GHc+SYeKQleyaV+2r+GlSNgaqOv9UMB/CT6fvKecMkzEoGKYSpK3BB2T42hIfWrQEh1nGO5FatnE1Qjb5kV1i6swH9LG/iRCkV/EP8W41yg4hqtQo39QSYzSV8SMIStHSNOfCKySUcXcFAsAskPo//+zaJOP58AdfPIZC8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Z+WC6q/p; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Z+WC6q/p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25A8EC433C7; Thu, 25 Jan 2024 10:42:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706179353; bh=1/AQZg5NNw9HG13KiYI6HfNvwqZ4xcS6GaNad1Jmb/I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Z+WC6q/pwbwzH6zhMdWS153JB6VUWqmZcSDN5fViUQMl+zNnFkr+L5iCIZC4Lmv2j bS4xt+Jc+fIKPiuc/kJRIJ6TAeALxfXs7+VoI8ancJ7e9QSMZf9u8wlf8juOT449Gm dGuxdVykXP+YbuK9da+3YP4AGDYrHkdmnPt65LdsuIx8gGLD4hTB/s1rjqbkVCKiUD oli8l8eXT1ku4I2e/jROQgRMNh1cOo8JM8FSB0c1qy9mR6qP4bCyS6fEZ4sW83WE4H dvME2O/MBNNvzFmFBAQf8Pqk3H35BFWj4WMW1H3tXE6hY7SpsHA0xe4mZ94kyccwIt HEVRnGIIo3ahQ== Date: Thu, 25 Jan 2024 10:42:23 +0000 From: Lee Jones To: Francesco Dolcini Cc: Greg Kroah-Hartman , Jiri Slaby , linux-bluetooth@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, greybus-dev@lists.linaro.org, linux-iio@vger.kernel.org, netdev@vger.kernel.org, chrome-platform@lists.linux.dev, platform-driver-x86@vger.kernel.org, linux-serial@vger.kernel.org, linux-sound@vger.kernel.org, Francesco Dolcini , Luiz Augusto von Dentz , Johan Hovold , Alex Elder , Jonathan Cameron , Jakub Kicinski , Paolo Abeni , Eric Dumazet , "David S. Miller" , Krzysztof Kozlowski , Hans de Goede , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Benson Leung , Tzung-Bi Shih , Rob Herring , Jonathan Cameron Subject: Re: [PATCH v2] treewide, serdev: change receive_buf() return type to size_t Message-ID: <20240125104223.GD74950@google.com> References: <20240122180551.34429-1-francesco@dolcini.it> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240122180551.34429-1-francesco@dolcini.it> On Mon, 22 Jan 2024, Francesco Dolcini wrote: > From: Francesco Dolcini > > receive_buf() is called from ttyport_receive_buf() that expects values > ">= 0" from serdev_controller_receive_buf(), change its return type from > ssize_t to size_t. > > The need for this clean-up was noticed while fixing a warning, see > commit 94d053942544 ("Bluetooth: btnxpuart: fix recv_buf() return value"). > Changing the callback prototype to return an unsigned seems the best way > to document the API and ensure that is properly used. > > GNSS drivers implementation of serdev receive_buf() callback return > directly the return value of gnss_insert_raw(). gnss_insert_raw() > returns a signed int, however this is not an issue since the value > returned is always positive, because of the kfifo_in() implementation. > gnss_insert_raw() could be changed to return also an unsigned, however > this is not implemented here as request by the GNSS maintainer Johan > Hovold. > > Suggested-by: Jiri Slaby > Link: https://lore.kernel.org/all/087be419-ec6b-47ad-851a-5e1e3ea5cfcc@kernel.org/ > Signed-off-by: Francesco Dolcini > Acked-by: Jonathan Cameron #for-iio > --- > v1: > - https://lore.kernel.org/all/20231214170146.641783-1-francesco@dolcini.it/ > v2: > - rebased on 6.8-rc1 > - add acked-by Jonathan > - do not change gnss_insert_raw() > - do not change the code style of the gnss code > - commit message improvements, explain the reasons for doing only minimal > changes on the GNSS part > --- > drivers/bluetooth/btmtkuart.c | 4 ++-- > drivers/bluetooth/btnxpuart.c | 4 ++-- > drivers/bluetooth/hci_serdev.c | 4 ++-- > drivers/gnss/serial.c | 2 +- > drivers/gnss/sirf.c | 2 +- > drivers/greybus/gb-beagleplay.c | 6 +++--- > drivers/iio/chemical/pms7003.c | 4 ++-- > drivers/iio/chemical/scd30_serial.c | 4 ++-- > drivers/iio/chemical/sps30_serial.c | 4 ++-- > drivers/iio/imu/bno055/bno055_ser_core.c | 4 ++-- > drivers/mfd/rave-sp.c | 4 ++-- Acked-by: Lee Jones > drivers/net/ethernet/qualcomm/qca_uart.c | 2 +- > drivers/nfc/pn533/uart.c | 4 ++-- > drivers/nfc/s3fwrn5/uart.c | 4 ++-- > drivers/platform/chrome/cros_ec_uart.c | 4 ++-- > drivers/platform/surface/aggregator/core.c | 4 ++-- > drivers/tty/serdev/serdev-ttyport.c | 10 ++++------ > include/linux/serdev.h | 8 ++++---- > sound/drivers/serial-generic.c | 4 ++-- > 19 files changed, 40 insertions(+), 42 deletions(-) -- Lee Jones [李琼斯] From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0B6CFC47258 for ; 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Miller" , Krzysztof Kozlowski , Hans de Goede , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Benson Leung , Tzung-Bi Shih , Rob Herring , Jonathan Cameron Subject: Re: [PATCH v2] treewide, serdev: change receive_buf() return type to size_t Message-ID: <20240125104223.GD74950@google.com> References: <20240122180551.34429-1-francesco@dolcini.it> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240122180551.34429-1-francesco@dolcini.it> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240125_104342_581039_486A07EA X-CRM114-Status: GOOD ( 21.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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