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

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Message-ID: <CAPSxiM9+NJeiphNBBFT4j6WGdLWVN1fKojwbDDB8zQzQRKHXXg@mail.gmail.com>
Date: Thu, 23 Jan 2025 21:41:10 +0530
From: Usman Akinyemi <usmanakinyemi202@...il.com>
To: Greg KH <gregkh@...uxfoundation.org>
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 9:28 PM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Thu, Jan 23, 2025 at 09:22:01PM +0530, Usman Akinyemi wrote:
> > On Thu, Jan 23, 2025 at 9:08 PM Greg KH <gregkh@...uxfoundation.org> wrote:
> > >
> > > 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,
> > Ohh, sorry, this is the 6.13.0 version, right from Linus fork on Git.
> >
> > Maybe, it is already being fixed and I did not have the latest update
> > as I have some new commits.
>
> Please always work off of linux-next when doing development so that you
> don't end up duplicating the work others have already done.
Noted and thanks. Sorry for the noise.
>
> thanks,
>
> greg k-h