linux-kernel - Re: [PATCH v3 0/6] bus: brcmstb_gisb: add support for GISBv7 arbiter

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Message-ID: <baaf46b4-cd91-3c19-70a8-f5923e31aac9@gmail.com>
Date:   Thu, 30 Mar 2017 12:29:50 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Mark Rutland <mark.rutland@....com>,
        Florian Fainelli <f.fainelli@...il.com>
Cc:     Doug Berger <opendmb@...il.com>, robh+dt@...nel.org,
        computersforpeace@...il.com, gregory.0xf0@...il.com,
        bcm-kernel-feedback-list@...adcom.com, linus.walleij@...aro.org,
        treding@...dia.com, jonathanh@...dia.com, olof@...om.net,
        mirza.krak@...il.com, suzuki.poulose@....com,
        bgolaszewski@...libre.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        catalin.marinas@....com, will.deacon@....com
Subject: Re: [PATCH v3 0/6] bus: brcmstb_gisb: add support for GISBv7 arbiter

On 03/30/2017 11:19 AM, Mark Rutland wrote:
> On Thu, Mar 30, 2017 at 09:33:32AM -0700, Florian Fainelli wrote:
>> On 03/29/2017 05:29 PM, Doug Berger wrote:
>>> This patch set contains changes to enable the GISB arbiter driver
>>> on the latest ARM64 architecture Set-Top Box chips from Broadcom.
>>>
>>> Since the ARM64 architecture does not support the hooking of low
>>> level fault handlers the driver has been adjusted to depend solely
>>> on GISB interrupts and notify events to provide diagnostic
>>> messaging.  The GISB hardware still triggers bus faults for the
>>> processor so the default low-level aborts will occur and will be
>>> handled based on the architecture specific kernel implementation.
>>>
>>> While this tends to obsure the GISB error messaging it is still
>>> reasonable so the same approach is applied to the ARM architecture
>>> for consistency.
>>>
>>> The patches also correct some issues with the existing driver
>>> and add the new register map for the GISBv7 hardware first
>>> appearing in the BCM7278 device.
>>
>> This all looks great to me, and since there are no more ARM64
>> dependencies I can take this via the Broadcom ARM/ARM64 SoC pull requests.
>>
>> Mark, are you also happy with this v3?
> 
> It looks fine by me.

Series applied to drivers/next, thanks everyone!
-- 
Florian