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Date: Thu, 5 Nov 2015 09:34:43 +0000
From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Kapil Hali <kapilh@broadcom.com>
Cc: Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
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Subject: Re: [PATCH RESEND 0/4] SMP support for Broadcom NSP
Message-ID: <20151105093443.GO8644@n2100.arm.linux.org.uk>
References: <1446702681-45339-1-git-send-email-kapilh@broadcom.com>
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On Thu, Nov 05, 2015 at 12:51:17AM -0500, Kapil Hali wrote:
> Hi,
> 
> This series adds SMP support for Broadcom's Northstar Plus SoC.
> 
> There are similar SMP enablement methods for many ARMv7 bsed SoCs.
> BCM NSP SoC, has a typical such mechanism - after power-on, the
> secondary core is held in a standby state, primary core provides a
> startup address for the secondary core and wakes it up. Booting of
> the secondary core is serialized using pen_release global variable.

Why do you need the pen_release stuff?  The above implies that you
have only one secondary core, and you can control when it comes out
of standby state.

Please, don't assume that the pen_release stuff is any kind of recommended
or standardised system.  It isn't.  It's a hack for ARMs evaluation
platforms.

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