LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Ismael Luceno <ismael@iodev.co.uk>
To: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: linuxarm@huawei.com, mauro.chehab@huawei.com,
	Andrey Utkin <andrey_utkin@fastmail.com>,
	Anton Sviridenko <anton@corp.bluecherry.net>,
	Bluecherry Maintainers <maintainers@bluecherrydvr.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	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
Date: Thu, 25 Nov 2021 22:18:51 +0100	[thread overview]
Message-ID: <YZ/9uzBfNF7U/jlY@pirotess> (raw)
In-Reply-To: <18daa194878d8815beef39d6fed2a838e1c2cb68.1637781097.git.mchehab+huawei@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 <mchehab+huawei@kernel.org>
> ---
> 
> 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 <ismael@iodev.co.uk>

  reply	other threads:[~2021-11-25 21:21 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-24 19:13 [PATCH 00/20] Solve the remaining issues with clang and W=1 on media Mauro Carvalho Chehab
2021-11-24 19:13 ` [PATCH 01/20] media: adv7842: get rid of two unused functions Mauro Carvalho Chehab
2021-11-26 18:54   ` Nathan Chancellor
2021-11-24 19:13 ` [PATCH 02/20] media: saa7134-go7007: get rid of to_state() function Mauro Carvalho Chehab
2021-11-26 18:55   ` Nathan Chancellor
2021-11-24 19:13 ` [PATCH 03/20] media: davinci: get rid of an unused function Mauro Carvalho Chehab
2021-11-26 18:56   ` Nathan Chancellor
2021-11-24 19:13 ` [PATCH 04/20] media: drxd: drop offset var from DownloadMicrocode() Mauro Carvalho Chehab
2021-11-26 18:57   ` Nathan Chancellor
2021-11-24 19:13 ` [PATCH 05/20] media: drxk: drop operation_mode from set_dvbt() Mauro Carvalho Chehab
2021-11-26 19:02   ` Nathan Chancellor
2021-11-29  8:33     ` [PATCH v2 " Mauro Carvalho Chehab
2021-11-24 19:13 ` [PATCH 06/20] media: m88ds3103: drop reg11 calculus from m88ds3103b_select_mclk() Mauro Carvalho Chehab
2021-11-26 19:40   ` Nathan Chancellor
2021-11-24 19:13 ` [PATCH 07/20] media: si21xx: report eventual errors at set_frontend Mauro Carvalho Chehab
2021-11-26 19:45   ` Nathan Chancellor
2021-11-29  8:40     ` Mauro Carvalho Chehab
2021-11-24 19:13 ` [PATCH 08/20] media: solo6x10: add _maybe_unused to currently unused functions Mauro Carvalho Chehab
2021-11-25 21:18   ` Ismael Luceno [this message]
2021-11-26 19:58   ` Nathan Chancellor
2021-11-29  8:44     ` Mauro Carvalho Chehab
2021-11-24 19:13 ` [PATCH 09/20] media: si470x: fix printk warnings with clang Mauro Carvalho Chehab
2021-11-26 20:13   ` Nathan Chancellor
2021-11-24 19:13 ` [PATCH 10/20] media: radio-si476x: drop a container_of() abstraction macro Mauro Carvalho Chehab
2021-11-26 20:14   ` Nathan Chancellor
2021-11-24 19:13 ` [PATCH 11/20] media: lmedm04: don't ignore errors when setting a filter Mauro Carvalho Chehab
2021-11-26 20:16   ` Nathan Chancellor
2021-11-24 19:13 ` [PATCH 12/20] media: au0828-i2c: drop a duplicated function Mauro Carvalho Chehab
2021-11-26 20:22   ` Nathan Chancellor
2021-11-24 19:13 ` [PATCH 13/20] media: adv7604 add _maybe_unused to currently unused functions Mauro Carvalho Chehab
2021-11-24 19:13 ` [PATCH 14/20] media: adv7511: drop " Mauro Carvalho Chehab
2021-11-26 20:27   ` Nathan Chancellor
2021-11-24 19:13 ` [PATCH 15/20] media: imx290: mark read reg function as __maybe_unused Mauro Carvalho Chehab
2021-11-24 19:13 ` [PATCH 16/20] media: davinci: vpbe_osd: " Mauro Carvalho Chehab
2021-11-24 19:13 ` [PATCH 17/20] media: qcom: camss: " Mauro Carvalho Chehab
2021-11-25 10:58   ` Robert Foss
2021-11-24 19:13 ` [PATCH 18/20] media: mtk-mdp: address a clang warning Mauro Carvalho Chehab
2021-11-24 19:21   ` Arnd Bergmann
2021-11-24 19:13 ` [PATCH 19/20] media: cobalt: drop an unused variable Mauro Carvalho Chehab
2021-11-26 20:29   ` Nathan Chancellor
2021-11-24 19:13 ` [PATCH 20/20] media: mxl5005s: drop some dead code Mauro Carvalho Chehab
2021-11-26 20:30   ` Nathan Chancellor
2021-11-24 19:23 ` [PATCH 00/20] Solve the remaining issues with clang and W=1 on media Arnd Bergmann

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=YZ/9uzBfNF7U/jlY@pirotess \
    --to=ismael@iodev.co.uk \
    --cc=andrey_utkin@fastmail.com \
    --cc=anton@corp.bluecherry.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=linuxarm@huawei.com \
    --cc=llvm@lists.linux.dev \
    --cc=maintainers@bluecherrydvr.com \
    --cc=mauro.chehab@huawei.com \
    --cc=mchehab+huawei@kernel.org \
    --cc=mchehab@kernel.org \
    --cc=nathan@kernel.org \
    --cc=ndesaulniers@google.com \
    --subject='Re: [PATCH 08/20] media: solo6x10: add _maybe_unused to currently unused functions' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).