linux-kernel - Re: [PATCH] staging: media: usbvision: removing prohibited space before ',' (ctx:WxW)

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Message-ID: <f73c5a69-1bf9-d80d-2399-ef18ce78b8ac@xs4all.nl>
Date:   Sat, 27 Jun 2020 10:28:31 +0200
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        B K KARTHIK PES2201800185STUDENT ECE DeptPESU EC
         Campus <bkkarthik@...u.pes.edu>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: media: usbvision: removing prohibited space
 before ',' (ctx:WxW)

On 27/06/2020 07:07, Greg Kroah-Hartman wrote:
> 
> A: http://en.wikipedia.org/wiki/Top_post
> Q: Were do I find info about this thing called top-posting?
> A: Because it messes up the order in which people normally read text.
> Q: Why is top-posting such a bad thing?
> A: Top-posting.
> Q: What is the most annoying thing in e-mail?
> 
> A: No.
> Q: Should I include quotations after my reply?
> 
> http://daringfireball.net/2007/07/on_top
> 
> On Fri, Jun 26, 2020 at 11:42:49AM -0400, B K KARTHIK PES2201800185STUDENT ECE DeptPESU EC Campus wrote:
>> Oh, I'm sorry but wouldn't it be helpful if we had a file that lists
>> all drivers that are scheduled for removal?
> 
> The TODO file in the directory for the driver should have this
> information in it.  I don't know if all of the media drivers have this,
> if not, then there is no way you could have known this.

They have, and in addition the Kconfig entry will mention that the driver
is deprecated.

TODO of usbvision:

The driver is deprecated and scheduled for removal by the end
of 2020.

In order to prevent removal the following actions would have to
be taken:

- clean up the code
- convert to the vb2 framework
- fix the disconnect and free-on-last-user handling (i.e., add
  a release callback for struct v4l2_device and rework the code
  to use that correctly).

Regards,

	Hans