linux-kernel - Re: [PATCH 1/4] phy: rockchip-emmc: give DLL some extra time to be ready

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Message-ID: <CAD=FV=X73R759Rum3AEUfD_yjswoD8iXQqrow_gpCu=6XJs7Sg@mail.gmail.com>
Date:	Mon, 20 Jun 2016 09:25:18 -0700
From:	Doug Anderson <dianders@...omium.org>
To:	Brian Norris <briannorris@...omium.org>
Cc:	Kishon Vijay Abraham I <kishon@...com>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Heiko Stuebner <heiko@...ech.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
	Shawn Lin <shawn.lin@...k-chips.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Brian Norris <computersforpeace@...il.com>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>
Subject: Re: [PATCH 1/4] phy: rockchip-emmc: give DLL some extra time to be ready

Hi,

On Mon, Jun 20, 2016 at 9:19 AM, Brian Norris <briannorris@...omium.org> wrote:
> + linux-mmc, Ulf
>
> On Mon, Jun 20, 2016 at 06:41:26PM +0530, Kishon Vijay Abraham I wrote:
>> On Friday 13 May 2016 04:13 AM, Brian Norris wrote:
>> > From: Shawn Lin <shawn.lin@...k-chips.com>
>> >
>> > According to the databook, 10.2us is the max time for dll to be ready to
>> > work. However in testing, some chips need 20us for dll to be ready. This
>> > patch adds some extra margin for dllrdy to be ready, fixing our
>> > -ETIMEDOUT issues.
>> >
>> > Signed-off-by: Shawn Lin <shawn.lin@...k-chips.com>
>> > Signed-off-by: Brian Norris <briannorris@...omium.org>
>>
>> Acked-by: Kishon Vijay Abraham I <kishon@...com>
>
> Thanks! I take it that to mean you're agreeing with Doug's suggestion
> here:
>
> https://lkml.org/lkml/2016/6/13/1067
>
> "Since [the $subject series patches] aren't in 4.7-rc1 presumably they
> would also make sense to take through the MMC tree if others agree."
>
> Ulf,
>
> I see I didn't CC you or linux-mmc on this patch series. Please let me
> know if I should resend, or if you can pick these up off of LKML -- Doug
> gave nice patchwork links in his linked series. NB: patch 2 has a
> version 2, while the others were left unmodified.

I actually need to spin my series to address a small bit of feedback
from Heiko.  Since Brian's original patches weren't on linux-mmc, I'll
include them in my series (along with collected tags) to make it easy.
Hope this is OK.

-Doug