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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23ED3C433F5 for ; Thu, 25 Nov 2021 21:21:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242765AbhKYVYZ (ORCPT ); Thu, 25 Nov 2021 16:24:25 -0500 Received: from iodev.co.uk ([46.30.189.100]:59046 "EHLO iodev.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236378AbhKYVWX (ORCPT ); Thu, 25 Nov 2021 16:22:23 -0500 Received: from pirotess (104.red-83-50-135.dynamicip.rima-tde.net [83.50.135.104]) by iodev.co.uk (Postfix) with ESMTPSA id 1B5966D0E4; Thu, 25 Nov 2021 22:19:08 +0100 (CET) Date: Thu, 25 Nov 2021 22:18:51 +0100 From: Ismael Luceno To: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Andrey Utkin , Anton Sviridenko , Bluecherry Maintainers , Mauro Carvalho Chehab , Nathan Chancellor , Nick Desaulniers , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, llvm@lists.linux.dev Subject: Re: [PATCH 08/20] media: solo6x10: add _maybe_unused to currently unused functions Message-ID: References: <18daa194878d8815beef39d6fed2a838e1c2cb68.1637781097.git.mchehab+huawei@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <18daa194878d8815beef39d6fed2a838e1c2cb68.1637781097.git.mchehab+huawei@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24/Nov/2021 20:13, Mauro Carvalho Chehab wrote: > There are several unused helper macros there, meant to parse some > fields. > > While there's not wrong with that, it generates clang warnings > with W=1, causing build to break with CONFIG_WERROR. > > So, add __maybe_unused to fix such warnings. > > Signed-off-by: Mauro Carvalho Chehab > --- > > To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover. > See [PATCH 00/20] at: https://lore.kernel.org/all/cover.1637781097.git.mchehab+huawei@kernel.org/ > > drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) > > diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c > index 0abcad4e84fa..85eaf5d00e9b 100644 > --- a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c > +++ b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c > @@ -391,12 +391,12 @@ static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip, > } > > /* Extract values from VOP header - VE_STATUSxx */ > -static inline int vop_interlaced(const vop_header *vh) > +static inline __maybe_unused int vop_interlaced(const vop_header *vh) > { > return (__le32_to_cpu((*vh)[0]) >> 30) & 1; > } > > -static inline u8 vop_channel(const vop_header *vh) > +static inline __maybe_unused u8 vop_channel(const vop_header *vh) > { > return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F; > } > @@ -411,12 +411,12 @@ static inline u32 vop_mpeg_size(const vop_header *vh) > return __le32_to_cpu((*vh)[0]) & 0xFFFFF; > } > > -static inline u8 vop_hsize(const vop_header *vh) > +static inline u8 __maybe_unused vop_hsize(const vop_header *vh) > { > return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF; > } > > -static inline u8 vop_vsize(const vop_header *vh) > +static inline u8 __maybe_unused vop_vsize(const vop_header *vh) > { > return __le32_to_cpu((*vh)[1]) & 0xFF; > } > @@ -436,12 +436,12 @@ static inline u32 vop_jpeg_size(const vop_header *vh) > return __le32_to_cpu((*vh)[4]) & 0xFFFFF; > } > > -static inline u32 vop_sec(const vop_header *vh) > +static inline u32 __maybe_unused vop_sec(const vop_header *vh) > { > return __le32_to_cpu((*vh)[5]); > } > > -static inline u32 vop_usec(const vop_header *vh) > +static inline __maybe_unused u32 vop_usec(const vop_header *vh) > { > return __le32_to_cpu((*vh)[6]); > } > -- > 2.33.1 > Acked-by: Ismael Luceno