From: Tony Lindgren <tony@atomide•com>
To: "santosh.shilimkar@oracle•com" <santosh.shilimkar@oracle•com>
Cc: Brad Griffis <bgriffis@ti•com>, Dave Gerlach <d-gerlach@ti•com>,
Keerthy J <j-keerthy@ti•com>,
Santosh Shilimkar <ssantosh@kernel•org>,
linux-omap@vger•kernel.org, linux-arm-kernel@lists•infradead.org
Subject: Re: [PATCH 1/2] memory: ti-emif-sram: Add ti_emif_run_hw_leveling for DDR3 hardware leveling
Date: Tue, 9 Apr 2019 08:33:10 -0700 [thread overview]
Message-ID: <20190409153310.GK2839@atomide.com> (raw)
In-Reply-To: <92aa0912-d449-c59e-fcf6-3a4b9e15ce3b@oracle.com>
* santosh.shilimkar@oracle•com <santosh.shilimkar@oracle•com> [190409 15:26]:
> On 4/9/19 8:19 AM, Tony Lindgren wrote:
> > * Tony Lindgren <tony@atomide•com> [190408 19:34]:
> > > * Dave Gerlach <d-gerlach@ti•com> [190408 18:31]:
> > > > Tony,
> > > > On 4/2/19 12:24 PM, Tony Lindgren wrote:
> > > > > * Dave Gerlach <d-gerlach@ti•com> [190402 16:57]:
> > > > > > In certain situations, such as when returning from low power modes, the
> > > > > > EMIF must re-run hardware leveling to properly restore DDR3 access.
> > > > > >
> > > > > > This is accomplished by introducing a new ti-emif-sram-pm call,
> > > > > > ti_emif_run_hw_leveling, to check if DDR3 is in use and if so, trigger
> > > > > > the full write and read leveling processes.
> > > > >
> > > > > OK nice that you also consider devices with LPDDR2 then in case we
> > > > > start seeing those.
> > > >
> > > > Yes, LPDDR2 will work fine with these. Any thoughts on if this series should
> > > > come through you or Santosh?
> > >
> > > Probably best that I queue these since there's also
> > > arch/arm/mach-omap2 code related changes.
> >
> > Santosh, is this OK with you? Care to ack the patch?
> >
> Sure Tony !!
>
> Acked-by: Santosh Shilimkar <ssantosh@kernel•org>
Thanks, applying these two patches into omap-for-v5.2/am4-ddr3
branch.
Reagrds,
Tony
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists•infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-04-09 15:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-02 16:57 [PATCH 0/2] ARM: OMAP2+: AM43x: Support DDR HW leveling suspend/resume Dave Gerlach
2019-04-02 16:57 ` [PATCH 1/2] memory: ti-emif-sram: Add ti_emif_run_hw_leveling for DDR3 hardware leveling Dave Gerlach
2019-04-02 17:24 ` Tony Lindgren
2019-04-08 18:32 ` Dave Gerlach
2019-04-08 19:34 ` Tony Lindgren
2019-04-09 15:19 ` Tony Lindgren
2019-04-09 15:26 ` santosh.shilimkar
2019-04-09 15:33 ` Tony Lindgren [this message]
2019-04-02 16:57 ` [PATCH 2/2] ARM: OMAP2+: sleep43xx: Run EMIF HW leveling on resume path Dave Gerlach
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190409153310.GK2839@atomide.com \
--to=tony@atomide$(echo .)com \
--cc=bgriffis@ti$(echo .)com \
--cc=d-gerlach@ti$(echo .)com \
--cc=j-keerthy@ti$(echo .)com \
--cc=linux-arm-kernel@lists$(echo .)infradead.org \
--cc=linux-omap@vger$(echo .)kernel.org \
--cc=santosh.shilimkar@oracle$(echo .)com \
--cc=ssantosh@kernel$(echo .)org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox