linux-kernel - Re: [IMX] [DRM]: suspend/resume support

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Date:   Wed, 19 Jun 2019 20:47:34 +0530
From:   Pintu Agarwal <pintu.ping@...il.com>
To:     Greg KH <greg@...ah.com>
Cc:     Fabio Estevam <festevam@...il.com>, linux-pm@...r.kernel.org,
        open list <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        Kernelnewbies <kernelnewbies@...nelnewbies.org>
Subject: Re: [IMX] [DRM]: suspend/resume support

On Wed, Jun 19, 2019 at 8:34 PM Greg KH <greg@...ah.com> wrote:
>
> On Wed, Jun 19, 2019 at 07:03:39PM +0530, Pintu Agarwal wrote:
> > You can think that the version I am using right now is almost 4.9 itself.
> > Upgrading again to higher kernel version is again difficult, also
> > customer does not want it.
>
> They don't want a secure and supported kernel over the lifetime of their
> device?  That sounds really odd.
No I mean to say, there are lots of features and customization already
done on this version and stabilized.
Upgrading again may require months of effort.
Of course upgrading is planned for later products.

> Never create a new device using the 4.9.y kernel tree unless you have someone else doing the support for it
> (i.e. a SoC vendor that you are paying support from).
>
Actually, this is not a new device. Its an older device itself.
This is an experimental activity.