linux-kernel - Re: [PATCH v3 3/5] drm/msm/dp: Refactor ioremap wrapper

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Date:   Mon, 4 Oct 2021 18:19:34 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Abhinav Kumar <abhinavk@...eaurora.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Rob Clark <robdclark@...il.com>,
        Rob Herring <robh+dt@...nel.org>, Sean Paul <sean@...rly.run>,
        Kuogee Hsieh <khsieh@...eaurora.org>,
        Tanmay Shah <tanmay@...eaurora.org>,
        Chandan Uddaraju <chandanu@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/5] drm/msm/dp: Refactor ioremap wrapper

On Mon 04 Oct 18:04 PDT 2021, Stephen Boyd wrote:

> Quoting Bjorn Andersson (2021-10-01 10:43:58)
> > In order to deal with multiple memory ranges in the following commit
> > change the ioremap wrapper to not poke directly into the dss_io_data
> > struct.
> >
> > While at it, devm_ioremap_resource() already prints useful error
> > messages on failure, so omit the unnecessary prints from the caller.
> >
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> > ---
> 
> Reviewed-by: Stephen Boyd <swboyd@...omium.org>
> 
> I realize this will cause some prints when we use old DTs. I suppose
> that's OK though because we'll have more incentive to update existing
> DT.

The use of the current binding is fairly limited, so I think that makes
sense. Abhinav also requested earlier that we do that and drop the
fallback sooner rather than later, which I would like to see as well.

Thanks,
Bjorn