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Re: [PATCH 2/2] clk: rockchip: fix the rk3399 sdmmc sample shift

From Doug Anderson <dianders@chromium.org>
Newsgroups linux.kernel
Subject Re: [PATCH 2/2] clk: rockchip: fix the rk3399 sdmmc sample shift
Date 2016-05-13 18:40 +0200
Message-ID <ryoi5-7fY-3@gated-at.bofh.it> (permalink)
References (1 earlier) <ry3dE-2EM-5@gated-at.bofh.it> <ry83D-7LM-3@gated-at.bofh.it> <ry8wG-81C-9@gated-at.bofh.it> <ryd3k-3Zi-7@gated-at.bofh.it> <ryg1d-7nz-27@gated-at.bofh.it>
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Shawn,

On Fri, May 13, 2016 at 12:46 AM, Shawn Lin <shawn.lin@rock-chips.com> wrote:
>> This should be possible to verify in one of two ways.  If the TRM has
>> a typo and things truly _do_ start at 0 instead of 1, then:
>>
>> 1. There will be roughly mirrors of valid ranges.
>> 2. Things won't match up if we change tuning to use 180 course offsets
>> and the rest fine offsets.
>>
>> It would be ideal if you could confirm with the chip guys, but if you
>
>
> I have checked it before Xing upstreamed the code, but as your question on
> the TRM, I check it with the  chip guys again.
>
> So the answer is that drv/sample stuff should refer to  Mobile Strorage
> Host Controller section, and it will fit the future Socs from now on.

OK, awesome.  I also did more quick tests by forcing dw_mmc to give me
extra details about the tuning.  These tests agree with you.

Please consider this patch abandoned.  Note that the previous patch
(1/2) is still good as far as I know, so just this patch (2/2) should
be abandoned.

Thanks!  :)

-Doug

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Thread

[PATCH 1/2] Revert "clk: rockchip: reset init state before mmc card initialization" Douglas Anderson <dianders@chromium.org> - 2016-05-12 20:10 +0200
  [PATCH 2/2] clk: rockchip: fix the rk3399 sdmmc sample shift Douglas Anderson <dianders@chromium.org> - 2016-05-12 20:10 +0200
    Re: [PATCH 2/2] clk: rockchip: fix the rk3399 sdmmc sample shift Brian Norris <briannorris@chromium.org> - 2016-05-13 01:20 +0200
      Re: [PATCH 2/2] clk: rockchip: fix the rk3399 sdmmc sample shift Shawn Lin <shawn.lin@rock-chips.com> - 2016-05-13 01:50 +0200
        Re: [PATCH 2/2] clk: rockchip: fix the rk3399 sdmmc sample shift Doug Anderson <dianders@chromium.org> - 2016-05-13 06:40 +0200
          Re: [PATCH 2/2] clk: rockchip: fix the rk3399 sdmmc sample shift Shawn Lin <shawn.lin@rock-chips.com> - 2016-05-13 09:50 +0200
            Re: [PATCH 2/2] clk: rockchip: fix the rk3399 sdmmc sample shift Doug Anderson <dianders@chromium.org> - 2016-05-13 18:40 +0200
  Re: [PATCH 1/2] Revert "clk: rockchip: reset init state before mmc card initialization" Heiko Stuebner <heiko@sntech.de> - 2016-05-13 01:50 +0200
    Re: [PATCH 1/2] Revert "clk: rockchip: reset init state before mmc  card initialization" Doug Anderson <dianders@chromium.org> - 2016-05-13 04:20 +0200
  Re: [PATCH 1/2] Revert "clk: rockchip: reset init state before mmc  card initialization" Shawn Lin <shawn.lin@rock-chips.com> - 2016-05-13 02:30 +0200
  Re: [PATCH 1/2] Revert "clk: rockchip: reset init state before mmc card initialization" Heiko Stuebner <heiko@sntech.de> - 2016-05-18 00:00 +0200
  Re: [PATCH 1/2] Revert "clk: rockchip: reset init state before mmc  card initialization" Shawn Lin <shawn.lin@rock-chips.com> - 2016-05-18 09:30 +0200

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