linux-kernel - Re: [PATCH 2/3] arm64: allwinner: a64: add USB0 OHCI/EHCI related devicetree parts

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Message-ID: <20170405081310.fxts5ut7srtnjiiy@lukather>
Date:   Wed, 5 Apr 2017 10:13:10 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Chen-Yu Tsai <wens@...e.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 2/3] arm64: allwinner: a64: add USB0 OHCI/EHCI related
 devicetree parts

On Wed, Apr 05, 2017 at 03:33:09PM +0800, Icenowy Zheng wrote:
> > > P.S. to be compatible with older DTs, I think I should adjust
> > > the phy driver, make it enable dual-route function only when
> > > pmu0 is present.
> > 
> > That, or if we're quick enough, we can still add it to 4.11. There's a
> > bit of time left.
> 
> Thus the device tree binding patch and the DT part of this patchset
> should be all pushed to 4.11 .
> 
> The device tree binding patch is commit ee73fd7dfc86 ("dt: bindings:
> add pmu0 regs for USB PHYs on Allwinner H3/V3s/A64").

It should have always been there. If there is a register for the PHY
somewhere, it must be in the DT node. Period. There's not relation to
whether the driver actually uses it or not.

Please send a patch to add that range for 4.11.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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