linux-kernel - Re: [PATCH 15/15] clk: pistachio: Fix wrong SDHost card speed

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Message-ID: <153256221029.48062.5074371246522411479@swboyd.mtv.corp.google.com>
Date:   Wed, 25 Jul 2018 16:43:30 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Andreas Färber <afaerber@...e.de>,
        linux-mips@...ux-mips.org
Cc:     Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>, linux-kernel@...r.kernel.org,
        Govindraj Raja <Govindraj.Raja@...tec.com>,
        Andreas Färber <afaerber@...e.de>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 15/15] clk: pistachio: Fix wrong SDHost card speed

Quoting Andreas Färber (2018-07-22 14:20:10)
> From: Govindraj Raja <Govindraj.Raja@...tec.com>
> 
> The SDHost currently clocks the card 4x slower than it
> should do, because there is a fixed divide by 4 in the
> sdhost wrapper that is not present in the clock tree.
> To model this, add a fixed divide by 4 clock node in
> the SDHost clock path.
> 
> This will ensure the right clock frequency is selected when
> the mmc driver tries to configure frequency on card insert.
> 
> Signed-off-by: Govindraj Raja <Govindraj.Raja@...tec.com>
> Signed-off-by: Andreas Färber <afaerber@...e.de>
> ---

Acked-by: Stephen Boyd <sboyd@...nel.org>