linux-kernel - Re: [PATCH v5 05/10] dt-bindings: irqchip: Introduce TISCI Interrupt router bindings

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Date:   Tue, 19 Feb 2019 09:56:51 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Lokesh Vutla <lokeshvutla@...com>
Cc:     Nishanth Menon <nm@...com>,
        Device Tree Mailing List <devicetree@...r.kernel.org>,
        jason@...edaemon.net, Peter Ujfalusi <peter.ujfalusi@...com>,
        marc.zyngier@....com, Sekhar Nori <nsekhar@...com>,
        linux-kernel@...r.kernel.org, Tero Kristo <t-kristo@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>, tglx@...utronix.de,
        Linux ARM Mailing List <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v5 05/10] dt-bindings: irqchip: Introduce TISCI Interrupt
 router bindings

* Tony Lindgren <tony@...mide.com> [190219 17:11]:
> * Lokesh Vutla <lokeshvutla@...com> [190219 16:19]:
> > yes. How different is this from any of the above mentioned drivers using
> > firmware specific ids. Like sci pm domain[1] driver utilizes the same
> > device id for enabling any device in the system. Similarly clock
> > driver[2] uses the same device ids and clock ids specified by firmware.
> > There are more which similarly represents firmware ids from DT.
> > 
> > [1] Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
> > [2] Documentation/devicetree/bindings/clock/ti,sci-clk.txt
> 
> That's horrible. We really must not use any firmware invented
> numbers in the device as they do not describe hardware.

No firmware invented numbers in the device tree I mean naturally.
Drivers do whatever they need to do to deal with the firmware.

Regards,

Tony