Date: Wed, 19 Aug 2015 18:05:58 +0200
From: Robert Richter <robert.richter@caviumnetworks.com>
To: David Daney <ddaney@caviumnetworks.com>
CC: Robert Richter <rric@kernel.org>, Marc Zygnier <marc.zyngier@arm.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will.deacon@arm.com>,
        Tirumalesh Chalamarla <tchalamarla@cavium.com>,
        <linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v4 2/5] irqchip, gicv3: Workaround for Cavium ThunderX
 erratum 23154
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On 17.08.15 10:00:53, David Daney wrote:
> On 08/14/2015 11:28 AM, Robert Richter wrote:
> >+config CAVIUM_ERRATUM_23154
> >+	bool "Cavium erratum 23154: Access to ICC_IAR1_EL1 is not sync'ed"
> >+	depends on ARCH_THUNDER
> 
> None of the other errata depend on a specific ARCH_*.  I think we should
> remove this 'depends on', so that a generic kernel can be configured to work
> on Thunder without having to first select ARCH_THUNDER.

Right, will remove the dependency. Same as for the other errata then.

Thanks,

-Robert

> >+	default y
> >+	help
> >+	  The gicv3 of ThunderX requires a modified version for
> >+	  reading the IAR status to ensure data synchronization
> >+	  (access to icc_iar1_el1 is not sync'ed before and after).
> >+
> >+	  If unsure, say Y.
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