linux-kernel - Re: [PATCH char-misc-next 1/1] misc: mic: remove the MIC drivers

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Date:   Wed, 28 Oct 2020 19:09:49 +0100
From:   "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
To:     "Dutt, Sudeep" <sudeep.dutt@...el.com>
Cc:     "corbet@....net" <corbet@....net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "sherry.sun@....com" <sherry.sun@....com>,
        "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        "Rao, Nikhil" <nikhil.rao@...el.com>,
        "Dixit, Ashutosh" <ashutosh.dixit@...el.com>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        "arnd@...db.de" <arnd@...db.de>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Subject: Re: [PATCH char-misc-next 1/1] misc: mic: remove the MIC drivers

On Wed, Oct 28, 2020 at 05:22:01PM +0000, Dutt, Sudeep wrote:
> On Wed, 2020-10-28 at 06:54 +0100, Greg Kroah-Hartman wrote:
> > On Tue, Oct 27, 2020 at 08:14:15PM -0700, Sudeep Dutt wrote:
> > > This patch removes the MIC drivers from the kernel tree
> > > since the corresponding devices have been discontinued.
> > 
> > Does "discontinued" mean "never shipped a device so no one has access
> > to
> > this hardware anymore", or does it mean "we stopped shipping devices
> > and
> > there are customers with this?"
> 
> Hi Greg,
> 
> We are not aware of any customers of the upstreamed MIC drivers. The 
> drivers were upstreamed primarily to lay a foundation for enabling the
> next generation MIC devices which did not ship.

Ok, thanks for the explanation.

> 
> > > Removing the dma and char-misc changes in one patch and
> > > merging via the char-misc tree is best to avoid any
> > > potential build breakage.
> > > 
> > > Cc: Nikhil Rao <nikhil.rao@...el.com>
> > > Reviewed-by: Ashutosh Dixit <ashutosh.dixit@...el.com>
> > > Signed-off-by: Sudeep Dutt <sudeep.dutt@...el.com>
> > 
> > I like deleting code, can this go into 5.10-final?
> 
> Yes, we would prefer this goes into v5.10. I am hoping you can carry
> the Ack from Vinod and the Reviewed-by from Sherry but I can resend the
> patch with those updates in the commit message if required. I did
> verify that this patch passes allmodconfig and allyesconfig builds with
> your latest char-misc-next tree.

I can pick them up automatically, no worries, thanks!

greg k-h