[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <7d4309e5-fdcd-13d7-2d4a-7139779e3fdd@linux.intel.com>
Date: Wed, 24 Jan 2024 13:38:18 +0200 (EET)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Francesco Dolcini <francesco@...cini.it>
cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jirislaby@...nel.org>, linux-bluetooth@...r.kernel.org,
linux-mediatek@...ts.infradead.org, LKML <linux-kernel@...r.kernel.org>,
linux-arm-kernel@...ts.infradead.org, greybus-dev@...ts.linaro.org,
linux-iio@...r.kernel.org, Netdev <netdev@...r.kernel.org>,
chrome-platform@...ts.linux.dev, platform-driver-x86@...r.kernel.org,
linux-serial <linux-serial@...r.kernel.org>, linux-sound@...r.kernel.org,
Francesco Dolcini <francesco.dolcini@...adex.com>,
Luiz Augusto von Dentz <luiz.dentz@...il.com>,
Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
Jonathan Cameron <jic23@...nel.org>, Lee Jones <lee@...nel.org>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>,
"David S. Miller" <davem@...emloft.net>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Hans de Goede <hdegoede@...hat.com>, Benson Leung <bleung@...omium.org>,
Tzung-Bi Shih <tzungbi@...nel.org>, Rob Herring <robh@...nel.org>,
Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: Re: [PATCH v2] treewide, serdev: change receive_buf() return type
to size_t
On Mon, 22 Jan 2024, Francesco Dolcini wrote:
> From: Francesco Dolcini <francesco.dolcini@...adex.com>
>
> 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 <jirislaby@...nel.org>
> Link: https://lore.kernel.org/all/087be419-ec6b-47ad-851a-5e1e3ea5cfcc@kernel.org/
> Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com>
> Acked-by: Jonathan Cameron <Jonathan.Cameron@...wei.com> #for-iio
Acked-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
--
i.
Powered by blists - more mailing lists