From: Nathan Chancellor <nathan@kernel.org>
To: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: linuxarm@huawei.com, mauro.chehab@huawei.com,
Antti Palosaari <crope@iki.fi>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
llvm@lists.linux.dev
Subject: Re: [PATCH 06/20] media: m88ds3103: drop reg11 calculus from m88ds3103b_select_mclk()
Date: Fri, 26 Nov 2021 12:40:38 -0700 [thread overview]
Message-ID: <YaE4Nkvp9NCfGItD@archlinux-ax161> (raw)
In-Reply-To: <9e528a0ce280d8ce99f9bfe1a725baafa6bf1408.1637781097.git.mchehab+huawei@kernel.org>
On Wed, Nov 24, 2021 at 08:13:09PM +0100, Mauro Carvalho Chehab wrote:
> This vaklue is never used at the code. So, drop it.
^ value
> Solves a W=1 clang warning.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
I would expect GCC to warn about this as well.
> ---
>
> 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/dvb-frontends/m88ds3103.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c
> index 02e8aa11e36e..bce0f42f3d19 100644
> --- a/drivers/media/dvb-frontends/m88ds3103.c
> +++ b/drivers/media/dvb-frontends/m88ds3103.c
> @@ -451,7 +451,7 @@ static int m88ds3103b_select_mclk(struct m88ds3103_dev *dev)
>
> static int m88ds3103b_set_mclk(struct m88ds3103_dev *dev, u32 mclk_khz)
> {
> - u8 reg11 = 0x0A, reg15, reg16, reg1D, reg1E, reg1F, tmp;
> + u8 reg15, reg16, reg1D, reg1E, reg1F, tmp;
> u8 sm, f0 = 0, f1 = 0, f2 = 0, f3 = 0;
> u16 pll_div_fb, N;
> u32 div;
> @@ -480,8 +480,6 @@ static int m88ds3103b_set_mclk(struct m88ds3103_dev *dev, u32 mclk_khz)
> div /= mclk_khz;
>
> if (dev->cfg->ts_mode == M88DS3103_TS_SERIAL) {
> - reg11 |= 0x02;
> -
> if (div <= 32) {
> N = 2;
>
> @@ -532,8 +530,6 @@ static int m88ds3103b_set_mclk(struct m88ds3103_dev *dev, u32 mclk_khz)
> else if ((f3 < 8) && (f3 != 0))
> f3 = 8;
> } else {
> - reg11 &= ~0x02;
> -
> if (div <= 32) {
> N = 2;
>
> --
> 2.33.1
>
>
next prev parent reply other threads:[~2021-11-26 19:42 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 [this message]
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
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
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