linux-kernel - Re: [PATCH v2 2/3] arm64: dts: qcom: sc7180-trogdor: Simplify spi0/spi6 labeling

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Date:   Thu, 28 Apr 2022 17:12:00 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        linux-arm-msm@...r.kernel.org,
        "Joseph S. Barrera III" <joebar@...omium.org>,
        Douglas Anderson <dianders@...omium.org>
Subject: Re: [PATCH v2 2/3] arm64: dts: qcom: sc7180-trogdor: Simplify
 spi0/spi6 labeling

On Tue, Apr 26, 2022 at 07:03:38PM -0700, Stephen Boyd wrote:
> We had to do this spi0/spi6 flip-flop on trogdor-r0 because the spi
> buses got swizzled between r0 and r1. The swizzle stopped after r1, but
> we kept this around to support either hardware possibility and to keep
> trogdor-r0 working.
> 
> trogdor-r0 isn't supported upstream, so this swizzle is not doing
> anything besides making a pattern that others tryt  to copy for the EC and
> H1 nodes. Let's remove it and simplify the dts files.
> 
> Cc: "Joseph S. Barrera III" <joebar@...omium.org>
> Cc: Douglas Anderson <dianders@...omium.org>
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>

Reviewed-by: Matthias Kaehlcke <mka@...omium.org>