linux-kernel - Re: [PATCH v6 44/80] docs: gpu: i915.rst: Fix several C duplication warnings

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Message-ID: <da5ef3ca-e546-9d39-e033-27c3ed1b762e@intel.com>
Date:   Fri, 16 Oct 2020 15:03:31 +0300
From:   Lionel Landwerlin <lionel.g.landwerlin@...el.com>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc:     Thomas Zimmermann <tzimmermann@...e.de>,
        Jonathan Corbet <corbet@....net>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        David Airlie <airlied@...ux.ie>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        intel-gfx@...ts.freedesktop.org
Subject: Re: [PATCH v6 44/80] docs: gpu: i915.rst: Fix several C duplication
 warnings

On 13/10/2020 14:53, Mauro Carvalho Chehab wrote:
> As reported by Sphinx:
>
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:1147: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_oa_wait_unlocked'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:1169: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_oa_poll_wait'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:1189: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_oa_read'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:2669: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_oa_stream_enable'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:2734: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_oa_stream_disable'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:2820: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_oa_stream_init'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3010: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_read'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3098: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_poll_locked'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3129: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_poll'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3152: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_enable_locked'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3181: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_disable_locked'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3273: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_ioctl'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3296: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_destroy_locked'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3321: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_release'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3379: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_open_ioctl_locked'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3534: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'read_properties_unlocked'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3717: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_open_ioctl'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3760: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_register'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3789: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_unregister'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:4009: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_add_config_ioctl'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:4162: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_remove_config_ioctl'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:4260: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_init'.
> 	./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:4423: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
> 	Declaration is 'i915_perf_fini'.
>
> With Sphinx 3, C declarations can't be duplicated anymore,
> so let's exclude those from the other internals found on
> i915_perf.c file.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@...el.com>
> ---
>   Documentation/gpu/i915.rst | 29 +++++++++++++++++++++++++----
>   1 file changed, 25 insertions(+), 4 deletions(-)
>
> diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst
> index 33cc6ddf8f64..cff1f154b473 100644
> --- a/Documentation/gpu/i915.rst
> +++ b/Documentation/gpu/i915.rst
> @@ -636,15 +636,36 @@ i915 Perf Observation Architecture Stream
>   .. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
>      :functions: i915_oa_poll_wait
>   
> -All i915 Perf Internals
> ------------------------
> +Other i915 Perf Internals
> +-------------------------
>   
> -This section simply includes all currently documented i915 perf internals, in
> -no particular order, but may include some more minor utilities or platform
> +This section simply includes all other currently documented i915 perf internals,
> +in no particular order, but may include some more minor utilities or platform
>   specific details than found in the more high-level sections.
>   
>   .. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
>      :internal:
> +   :no-identifiers:
> +       i915_perf_init
> +       i915_perf_fini
> +       i915_perf_register
> +       i915_perf_unregister
> +       i915_perf_open_ioctl
> +       i915_perf_release
> +       i915_perf_add_config_ioctl
> +       i915_perf_remove_config_ioctl
> +       read_properties_unlocked
> +       i915_perf_open_ioctl_locked
> +       i915_perf_destroy_locked
> +       i915_perf_read i915_perf_ioctl
> +       i915_perf_enable_locked
> +       i915_perf_disable_locked
> +       i915_perf_poll i915_perf_poll_locked
> +       i915_oa_stream_init i915_oa_read
> +       i915_oa_stream_enable
> +       i915_oa_stream_disable
> +       i915_oa_wait_unlocked
> +       i915_oa_poll_wait
>   
>   Style
>   =====