linux-kernel - Re: [PATCH] virtio: Add missing documentation for structure fields

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Message-ID: <20230510120332-mutt-send-email-mst@kernel.org>
Date:   Wed, 10 May 2023 12:04:21 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Simon Horman <horms@...nel.org>
Cc:     Jason Wang <jasowang@...hat.com>,
        Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] virtio: Add missing documentation for structure fields

On Wed, May 10, 2023 at 02:23:12PM +0200, Simon Horman wrote:
> Add missing documentation for the vqs_list_lock field of struct virtio_device,
> and the validate field of struct virtio_driver.
> 
> ./scripts/kernel-doc says:
> 
>  .../virtio.h:131: warning: Function parameter or member 'vqs_list_lock' not described in 'virtio_device'
>  .../virtio.h:192: warning: Function parameter or member 'validate' not described in 'virtio_driver'
>  2 warnings as Errors
> 
> No functional changes intended.
> 
> Signed-off-by: Simon Horman <horms@...nel.org>
> ---
>  include/linux/virtio.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/include/linux/virtio.h b/include/linux/virtio.h
> index b93238db94e3..0b2b82ee3220 100644
> --- a/include/linux/virtio.h
> +++ b/include/linux/virtio.h
> @@ -103,6 +103,7 @@ int virtqueue_resize(struct virtqueue *vq, u32 num,
>   * @config_enabled: configuration change reporting enabled
>   * @config_change_pending: configuration change reported while disabled
>   * @config_lock: protects configuration change reporting
> + * @vqs_list_lock: protects @vqs.
>   * @dev: underlying device.
>   * @id: the device type identification (used to match it with a driver).
>   * @config: the configuration ops for this device.
> @@ -160,6 +161,7 @@ size_t virtio_max_dma_size(const struct virtio_device *vdev);
>   * @feature_table_size: number of entries in the feature table array.
>   * @feature_table_legacy: same as feature_table but when working in legacy mode.
>   * @feature_table_size_legacy: number of entries in feature table legacy array.
> + * @validate: the function to call to vaidate features at probe time.

typo

and this is called before probe actually not at probe time

>   * @probe: the function to call when a device is found.  Returns 0 or -errno.
>   * @scan: optional function to call after successful probe; intended
>   *    for virtio-scsi to invoke a scan.