Hi Simon,
On Tuesday 07 July 2015 09:26:21 Simon Horman wrote:
> On Mon, Jul 06, 2015 at 04:29:33PM +0300, Laurent Pinchart wrote:
> > On Monday 06 July 2015 12:55:32 Geert Uytterhoeven wrote:
> > > Replace the deprecated generic "adi,adxl34x" compatible value by the
> > > adxl345-specific "adi,adxl345" value, cfr. commit e465bf6fc55d5ce2 ("DT:
> > > i2c: Deprecate adi,adxl34x compatible string").
> > >
> > > Signed-off-by: Geert Uytterhoeven <[email protected]>
> >
> > Acked-by: Laurent Pinchart <[email protected]>
> >
> > > ---
> > > Depends on commit 3a38958d2477b718 ("Input: adxl34x - add OF match
> > > support"), which is in v4.2-rc1.
> > >
> > > This is v2 of "ARM: shmobile: kzm9g dts: Add adxl345-specific compatible
> > > property".
>
> It appears to me that this will cause a regression when booting old kernels
> with new dts blobs. For that reason think we should consider v1
> of this change coupled with a schedule to remove use of the deprecated
> compat string.
That's the forward compatibility that Geert mentioned, is that really an
issue, especially on this board ?
> > > v2:
> > > - Drop deprecated "adi,adxl34x"
> > >
> > > ---
> > >
> > > arch/arm/boot/dts/sh73a0-kzm9g.dts | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/arch/arm/boot/dts/sh73a0-kzm9g.dts
> > > b/arch/arm/boot/dts/sh73a0-kzm9g.dts index
> > > 24b4cd24dceb2f9e..7fc5602810ad0da1 100644
> > > --- a/arch/arm/boot/dts/sh73a0-kzm9g.dts
> > > +++ b/arch/arm/boot/dts/sh73a0-kzm9g.dts
> > > @@ -206,7 +206,7 @@
> > > };
> > >
> > > accelerometer@1d {
> > > - compatible = "adi,adxl34x";
> > > + compatible = "adi,adxl345";
> > > reg = <0x1d>;
> > > interrupt-parent = <&irqpin3>;
> > > interrupts = <2 IRQ_TYPE_LEVEL_HIGH>,
--
Regards,
Laurent Pinchart
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