linux-kernel - Re: [PATCH v2 2/3] firmware: psci: Add support for dt-supplied SYSTEM

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Message-ID: <20200226115912.GC8613@bogus>
Date:   Wed, 26 Feb 2020 11:59:12 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     Elliot Berman <eberman@...eaurora.org>
Cc:     Mark Rutland <mark.rutland@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Trilok Soni <tsoni@...eaurora.org>,
        Prasad Sodagudi <psodagud@...eaurora.org>,
        David Collins <collinsd@...eaurora.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sudeep Holla <sudeep.holla@....com>
Subject: Re: [PATCH v2 2/3] firmware: psci: Add support for dt-supplied
 SYSTEM_RESET2 type

On Tue, Feb 25, 2020 at 05:37:53PM -0800, Elliot Berman wrote:

[...]

> Alternatively, I could rename the DT property to
> "arm,psci-sys-reset2-vendor-param"

Yes much better.

> and then always set the 31st bit so that it is impossible to provide an
> invalid architectural reset type in DT.
>

Indeed this is what I was expecting and hence raised issue here. So that
one can't make use of architectural ID space just by adding param in DT.

--
Regards,
Sudeep