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Message-ID: <ZscpKSzdYklxIkjZ@eichest-laptop>
Date: Thu, 22 Aug 2024 14:03:53 +0200
From: Stefan Eichenberger <eichest@...il.com>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: Andi Shyti <andi.shyti@...nel.org>, kernel@...gutronix.de,
shawnguo@...nel.org, s.hauer@...gutronix.de, festevam@...il.com,
Frank.Li@....com, francesco.dolcini@...adex.com,
linux-i2c@...r.kernel.org, imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Stefan Eichenberger <stefan.eichenberger@...adex.com>
Subject: Re: [PATCH v2 1/4] i2c: imx: only poll for bus busy in multi master
mode
On Thu, Aug 22, 2024 at 12:04:43PM +0200, Oleksij Rempel wrote:
> On Thu, Aug 22, 2024 at 09:03:55AM +0200, Stefan Eichenberger wrote:
> > Hi Andi,
> >
> > On Thu, Aug 22, 2024 at 12:21:30AM +0200, Andi Shyti wrote:
> > > Hi Stefan,
> > >
> > > > @@ -1468,6 +1473,8 @@ static int i2c_imx_probe(struct platform_device *pdev)
> > > > goto rpm_disable;
> > > > }
> > > >
> > > > + i2c_imx->multi_master = of_property_read_bool(pdev->dev.of_node, "multi-master");
> > > > +
> > >
> > > you might also want to add the multi-master boolean property in
> > > the binding.
> >
> > We discussed this internally and weren't sure when it was required
> > because e.g. i2c-rcar and i2c-tegra don't have it documented in their
> > bindings. Is it still required if it is part of the dt-schema?
> > https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/i2c/i2c-controller.yaml
>
> The i2c-imx.yaml has "unevaluatedProperties: false", which fill discard
> every thing not in this yaml
>
> > If so, I will add it in the next version.
>
> Yes, please.
Perfect, thanks for the explanation.
Regards,
Stefan
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