From: Nathan Chancellor <natechancellor@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
linux-media@vger.kernel.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com
Subject: Re: [PATCH 3/9] staging: media: atomisp: annotate an unused function
Date: Fri, 29 May 2020 19:56:49 -0700 [thread overview]
Message-ID: <20200530025649.GB1367069@ubuntu-s3-xlarge-x86> (raw)
In-Reply-To: <20200529200031.4117841-3-arnd@arndb.de>
On Fri, May 29, 2020 at 10:00:25PM +0200, Arnd Bergmann wrote:
> atomisp_mrfld_power() has no more callers and produces
> a warning:
>
> drivers/staging/media/atomisp/pci/atomisp_v4l2.c:764:12: error: unused function 'atomisp_mrfld_power' [-Werror,-Wunused-function]
>
> Mark the function as unused while the PM code is being
> debugged, expecting that it will be used again in the
> future and should not just be removed.
>
> Fixes: 95d1f398c4dc ("media: atomisp: keep the ISP powered on when setting it")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Mauro fixed this in his experimental branch:
https://git.linuxtv.org/mchehab/experimental.git/commit/?id=dbcee8118fc9283401df9dbe8ba03ab9d17433ff
> ---
> drivers/staging/media/atomisp/pci/atomisp_v4l2.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
> index 694268d133c0..10abb35ba0e0 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
> @@ -761,7 +761,8 @@ static void punit_ddr_dvfs_enable(bool enable)
> pr_info("DDR DVFS, door bell is not cleared within 3ms\n");
> }
>
> -static int atomisp_mrfld_power(struct atomisp_device *isp, bool enable)
> +static __attribute__((unused)) int
> +atomisp_mrfld_power(struct atomisp_device *isp, bool enable)
> {
> unsigned long timeout;
> u32 val = enable ? MRFLD_ISPSSPM0_IUNIT_POWER_ON :
> --
> 2.26.2
>
WARNING: multiple messages have this Message-ID (diff)
From: Nathan Chancellor <natechancellor@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
clang-built-linux@googlegroups.com,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-media@vger.kernel.org
Subject: Re: [PATCH 3/9] staging: media: atomisp: annotate an unused function
Date: Fri, 29 May 2020 19:56:49 -0700 [thread overview]
Message-ID: <20200530025649.GB1367069@ubuntu-s3-xlarge-x86> (raw)
In-Reply-To: <20200529200031.4117841-3-arnd@arndb.de>
On Fri, May 29, 2020 at 10:00:25PM +0200, Arnd Bergmann wrote:
> atomisp_mrfld_power() has no more callers and produces
> a warning:
>
> drivers/staging/media/atomisp/pci/atomisp_v4l2.c:764:12: error: unused function 'atomisp_mrfld_power' [-Werror,-Wunused-function]
>
> Mark the function as unused while the PM code is being
> debugged, expecting that it will be used again in the
> future and should not just be removed.
>
> Fixes: 95d1f398c4dc ("media: atomisp: keep the ISP powered on when setting it")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Mauro fixed this in his experimental branch:
https://git.linuxtv.org/mchehab/experimental.git/commit/?id=dbcee8118fc9283401df9dbe8ba03ab9d17433ff
> ---
> drivers/staging/media/atomisp/pci/atomisp_v4l2.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
> index 694268d133c0..10abb35ba0e0 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
> @@ -761,7 +761,8 @@ static void punit_ddr_dvfs_enable(bool enable)
> pr_info("DDR DVFS, door bell is not cleared within 3ms\n");
> }
>
> -static int atomisp_mrfld_power(struct atomisp_device *isp, bool enable)
> +static __attribute__((unused)) int
> +atomisp_mrfld_power(struct atomisp_device *isp, bool enable)
> {
> unsigned long timeout;
> u32 val = enable ? MRFLD_ISPSSPM0_IUNIT_POWER_ON :
> --
> 2.26.2
>
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next prev parent reply other threads:[~2020-05-30 2:56 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-29 20:00 [PATCH 1/9] staging: media: atomisp: fix incorrect NULL pointer check Arnd Bergmann
2020-05-29 20:00 ` Arnd Bergmann
2020-05-29 20:00 ` [PATCH 2/9] staging: media: atomisp: declare 'struct device' before using it Arnd Bergmann
2020-05-29 20:00 ` Arnd Bergmann
2020-05-30 2:55 ` Nathan Chancellor
2020-05-30 2:55 ` Nathan Chancellor
2020-05-29 20:00 ` [PATCH 3/9] staging: media: atomisp: annotate an unused function Arnd Bergmann
2020-05-29 20:00 ` Arnd Bergmann
2020-05-30 2:56 ` Nathan Chancellor [this message]
2020-05-30 2:56 ` Nathan Chancellor
2020-05-29 20:00 ` [PATCH 4/9] staging: media: atomisp: fix a type conversion warning Arnd Bergmann
2020-05-29 20:00 ` Arnd Bergmann
2020-05-29 20:00 ` [PATCH 5/9] staging: media: atomisp: fix stack overflow in init_pipe_defaults() Arnd Bergmann
2020-05-29 20:00 ` Arnd Bergmann
2020-05-30 2:57 ` Nathan Chancellor
2020-05-30 2:57 ` Nathan Chancellor
2020-05-31 20:41 ` kbuild test robot
2020-05-29 20:00 ` [PATCH 6/9] staging: media: atomisp: fix type mismatch Arnd Bergmann
2020-05-29 20:00 ` Arnd Bergmann
2020-05-29 20:00 ` [PATCH 7/9] staging: media: atomisp: fix enum type mixups Arnd Bergmann
2020-05-29 20:00 ` Arnd Bergmann
2020-05-30 3:00 ` Nathan Chancellor
2020-05-30 3:00 ` Nathan Chancellor
2020-05-29 20:00 ` [PATCH 8/9] staging: media: atomisp: disable all custom formats Arnd Bergmann
2020-05-29 20:00 ` Arnd Bergmann
2020-05-30 3:03 ` Nathan Chancellor
2020-05-30 3:03 ` Nathan Chancellor
2020-05-29 20:00 ` [PATCH 9/9] staging: media: atomisp: add PMIC_OPREGION dependency Arnd Bergmann
2020-05-29 20:00 ` Arnd Bergmann
2020-05-30 3:11 ` Nathan Chancellor
2020-05-30 3:11 ` Nathan Chancellor
2020-05-30 5:25 ` Mauro Carvalho Chehab
2020-05-30 5:25 ` Mauro Carvalho Chehab
2020-05-29 20:04 ` [PATCH 1/9] staging: media: atomisp: fix incorrect NULL pointer check Nick Desaulniers
2020-05-29 20:04 ` Nick Desaulniers
2020-05-29 20:23 ` Arnd Bergmann
2020-05-29 20:23 ` Arnd Bergmann
2020-05-29 20:31 ` Arnd Bergmann
2020-05-29 20:31 ` Arnd Bergmann
2020-05-30 2:49 ` Nathan Chancellor
2020-05-30 2:49 ` Nathan Chancellor
2020-05-30 9:22 ` Mauro Carvalho Chehab
2020-05-30 9:22 ` Mauro Carvalho Chehab
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