linux-kernel - Re: [PATCH v2] usb: dwc3: Fix documentation warning for sg member

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Message-ID: <2025012309-catfight-tightly-32f9@gregkh>
Date: Thu, 23 Jan 2025 16:38:38 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: Usman Akinyemi <usmanakinyemi202@...il.com>
Cc: Thinh.Nguyen@...opsys.com, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH v2] usb: dwc3: Fix documentation warning for sg member

On Thu, Jan 23, 2025 at 08:43:35PM +0530, Usman Akinyemi wrote:
> The 'sg' member in struct dwc3_request was undocumented, causing a
> documentation warning when building the kernel docs.
> 
> This patch adds a description for the 'sg' field, resolving the warning.
> 
> Fixes: 61440628a4ff ("usb: dwc3: gadget: Cleanup SG handling")
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Usman Akinyemi <usmanakinyemi202@...il.com>
> ---
>  drivers/usb/dwc3/core.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
> index ee73789326bc..0c417a12e6f4 100644
> --- a/drivers/usb/dwc3/core.h
> +++ b/drivers/usb/dwc3/core.h
> @@ -941,6 +941,7 @@ struct dwc3_hwparams {
>   * @request: struct usb_request to be transferred
>   * @list: a list_head used for request queueing
>   * @dep: struct dwc3_ep owning this request
> + * @sg: pointer to a scatterlist for DMA operations
>   * @start_sg: pointer to the sg which should be queued next
>   * @num_pending_sgs: counter to pending sgs
>   * @remaining: amount of data remaining
> -- 
> 2.48.0

Wait, what kernel is this based on?  This structure does not have the
@sg field in it anymore in linux-next, so why is this warning still
showing up?

confused,

greg k-h