linux-kernel - Re: [PATCH 3/3] phy: rockchip-typec: Do the calibration more correctly

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Message-ID: <CAD=FV=WmW-=HhUznPHLvF=FqJSVk2-NLVYq-1WNJwgn4N3+psw@mail.gmail.com>
Date:   Wed, 6 Sep 2017 14:24:57 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Heiko Stübner <heiko@...ech.de>,
        Chris <zyw@...k-chips.com>
Cc:     Shawn Nematbakhsh <shawnn@...omium.org>,
        David Schneider <dnschneid@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 3/3] phy: rockchip-typec: Do the calibration more correctly

Hi,

On Wed, Sep 6, 2017 at 1:52 PM, Douglas Anderson <dianders@...omium.org> wrote:
> Calculate the calibration code as per the docs.  The docs talk about
> reading and averaging the pullup and pulldown calibration codes.  They
> also talk about adding in some adjustment codes.  Let's do what the
> docs say.
>
> In practice this doesn't seem to matter a whole lot.  On a device I
> tested the pullup and pulldown codes were nearly the same (0x23 and
> 0x24) and the adjustment codes were 0.
>
> Reviewed-by: Chris Zhong <zyw@...k-chips.com>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---
>
>  drivers/phy/rockchip/phy-rockchip-typec.c | 28 +++++++++++++++++++---------
>  1 file changed, 19 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/phy/rockchip/phy-rockchip-typec.c b/drivers/phy/rockchip/phy-rockchip-typec.c
> index b8696a7c45fb..e59983a82dcc 100644
> --- a/drivers/phy/rockchip/phy-rockchip-typec.c
> +++ b/drivers/phy/rockchip/phy-rockchip-typec.c
> @@ -194,6 +194,7 @@
>  /* Use this for "n" in macros like "_MULT_XXX" to target the aux channel */
>  #define AUX_CH_LANE                    8
>
> +

Not sure how I missed that this was adding a blank line here.  :(  If
there are no other issues I'm happy to re-post or happy if this blank
line is removed when the patch is applied.  Please let me know which
you'd prefer.

-Doug