On Wed, Jul 19, 2023 at 06:49:43AM +0000, Potthuri, Sai Krishna wrote:
> Hi Conor,
>
> > -----Original Message-----
> > From: Conor Dooley <conor@xxxxxxxxxx>
> > Sent: Tuesday, July 18, 2023 9:20 PM
> > To: Potthuri, Sai Krishna <sai.krishna.potthuri@xxxxxxx>
> > Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>; Simek, Michal
> > <michal.simek@xxxxxxx>; Rob Herring <robh+dt@xxxxxxxxxx>; Krzysztof
> > Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>; Conor Dooley
> > <conor+dt@xxxxxxxxxx>; Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>; Shah,
> > Tanmay <tanmay.shah@xxxxxxx>; Levinsky, Ben <ben.levinsky@xxxxxxx>;
> > Marek Vasut <marex@xxxxxxx>; Roman Gushchin <roman.gushchin@xxxxxxxxx>;
> > Arnd Bergmann <arnd@xxxxxxxx>; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> > kernel@xxxxxxxxxxxxxxx; linux-gpio@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> > saikrishna12468@xxxxxxxxx; git (AMD-Xilinx) <git@xxxxxxx>
> > Subject: Re: [PATCH 3/4] dt-bindings: pinctrl-zynqmp: Add output-enable
> > configuration
> >
> > On Mon, Jul 17, 2023 at 03:03:46PM +0530, Sai Krishna Potthuri wrote:
> > > Add 'output-enable' configuration parameter to the properties list.
> > >
> > > Using these pinctrl properties observed hang issues with older Xilinx
> > > ZynqMP Platform Management Firmware, hence reverted the patch previously.
> > > Commit ff8356060e3a5e126abb ("Revert "dt-bindings: pinctrl-zynqmp: Add
> > > output-enable configuration"").
> >
> > And what has changed since then that makes it okay to add?
> > Is the old firmware not still in the wild?
> This time when Linux firmware driver get the request for TRISTATE configuration
> from pinctrl driver, it checks if that configuration is supported by the Xilinx ZynqMP
> Platform Management firmware. If yes, then calls will be made otherwise it returns error.
Please put that information in your commit message. With that done,
Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Thanks,
Conor.
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