From: Manivannan Sadhasivam <mani@kernel.org>
To: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: linuxarm@huawei.com, mauro.chehab@huawei.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 v2 15/20] media: imx290: mark read reg function as __always_unused
Date: Thu, 2 Dec 2021 20:29:06 +0530 [thread overview]
Message-ID: <20211202145906.GA263467@thinkpad> (raw)
In-Reply-To: <2471c2ecdf023fc3014d1ad544f2b0e9436fc9ff.1638179135.git.mchehab+huawei@kernel.org>
Hi Mauro,
On Mon, Nov 29, 2021 at 10:47:47AM +0100, Mauro Carvalho Chehab wrote:
> Such function is currently unused, but could be needed in the
> future. So, keep it, marking it as __always_unused, in order to
> avoid a clang W=1 error.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
> ---
>
> See [PATCH v2 00/20] at: https://lore.kernel.org/all/cover.1638179135.git.mchehab+huawei@kernel.org/
>
> drivers/media/i2c/imx290.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
> index bf7a6c37ca5d..99f2a50d39a4 100644
> --- a/drivers/media/i2c/imx290.c
> +++ b/drivers/media/i2c/imx290.c
> @@ -363,7 +363,7 @@ static inline struct imx290 *to_imx290(struct v4l2_subdev *_sd)
> return container_of(_sd, struct imx290, sd);
> }
>
> -static inline int imx290_read_reg(struct imx290 *imx290, u16 addr, u8 *value)
> +static inline int __always_unused imx290_read_reg(struct imx290 *imx290, u16 addr, u8 *value)
Can we drop this function instead?
Thanks,
Mani
> {
> unsigned int regval;
> int ret;
> --
> 2.33.1
>
next prev parent reply other threads:[~2021-12-02 14:59 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-29 9:47 [PATCH v2 00/20] Solve the remaining issues with clang and W=1 on media Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 01/20] media: adv7842: get rid of two unused functions Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 02/20] media: saa7134-go7007: get rid of to_state() function Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 03/20] media: davinci: get rid of an unused function Mauro Carvalho Chehab
2021-11-29 10:18 ` Lad, Prabhakar
2021-11-29 9:47 ` [PATCH v2 04/20] media: drxd: drop offset var from DownloadMicrocode() Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 05/20] media: drxk: drop operation_mode from set_dvbt() Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 06/20] media: m88ds3103: drop reg11 calculus from m88ds3103b_select_mclk() Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 07/20] media: si21xx: report eventual errors at set_frontend Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 08/20] media: solo6x10: mark unused functions as such Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 09/20] media: si470x: fix printk warnings with clang Mauro Carvalho Chehab
2021-11-29 10:10 ` Joe Perches
2021-11-29 11:40 ` Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 10/20] media: radio-si476x: drop a container_of() abstraction macro Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 11/20] media: lmedm04: don't ignore errors when setting a filter Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 12/20] media: au0828-i2c: drop a duplicated function Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 13/20] media: adv7604: mark unused functions as such Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 14/20] media: adv7511: drop unused functions Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 15/20] media: imx290: mark read reg function as __always_unused Mauro Carvalho Chehab
2021-12-02 14:59 ` Manivannan Sadhasivam [this message]
2021-11-29 9:47 ` [PATCH v2 16/20] media: davinci: vpbe_osd: " Mauro Carvalho Chehab
2021-11-29 10:19 ` Lad, Prabhakar
2021-11-29 9:47 ` [PATCH v2 17/20] media: camss: Remove unused static function Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 18/20] media: mtk-mdp: address a clang warning Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 19/20] media: cobalt: drop an unused variable Mauro Carvalho Chehab
2021-11-29 9:47 ` [PATCH v2 20/20] media: mxl5005s: drop some dead code Mauro Carvalho Chehab
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