[PATCH] ARM: dts: arm: Update register-bit-led nodes 'reg' and node names

[Rob Herring]

On Fri, Nov 5, 2021 at 1:39 PM Guenter Roeck <linux at roeck-us.net> wrote:
>
> Hi,
>
> On Mon, Oct 25, 2021 at 01:20:03AM +0200, Linus Walleij wrote:
> > From: Rob Herring <robh at kernel.org>
> >
> > Add a 'reg' entry for register-bit-led nodes on the Arm Ltd platforms.
> > The 'reg' entry is the LED control register address. With this, the node
> > name can be updated to use a generic node name, 'led', and a
> > unit-address.
> >
> > Cc: Linus Walleij <linus.walleij at linaro.org>
> > Cc: Liviu Dudau <liviu.dudau at arm.com>
> > Cc: Sudeep Holla <sudeep.holla at arm.com>
> > Cc: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
> > Cc: linux-arm-kernel at lists.infradead.org
> > Signed-off-by: Rob Herring <robh at kernel.org>
> > Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
> > ---
> > SoC folks: please apply this directly for v5.16.
>
> This patch results in widespread sysfs backtraces with various qemu arm
> emulations (versatilepb, versatileab, realview-pb-a8, realview-pbx-a9,
> realview-eb, realview-eb-mpcore, integratorcp, mps2-an385).

Sigh. I'm working on a fix for this. Though the only way to fix
without a DT ABI break is reverting. A stable kernel update is
probably good enough.

There's a problem with the clock changes, too, but it looks like it
just affects the CLCD.

Rob