linux-kernel - Re: [PATCH V2 03/12] dtb: amd: Fix DMA ranges in device tree

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Date:	Thu, 11 Feb 2016 13:23:52 -0800
From:	Olof Johansson <olof@...om.net>
To:	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
Cc:	Arnd Bergmann <arnd@...db.de>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"arm@...nel.org" <arm@...nel.org>, brijeshkumar.singh@....com,
	Thomas Lendacky <thomas.lendacky@....com>,
	Leo Duran <leo.duran@....com>
Subject: Re: [PATCH V2 03/12] dtb: amd: Fix DMA ranges in device tree

Hi,

On Wed, Feb 10, 2016 at 1:13 PM, Suravee Suthikulpanit
<Suravee.Suthikulpanit@....com> wrote:
> Hi Arnd,
>
>
> On 2/9/16 21:57, Arnd Bergmann wrote:
>>
>> On Monday 08 February 2016 11:59:08 Suravee Suthikulpanit wrote:
>>>
>>> From: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
>>>
>>> Fix DMA ranges of smb0 and pcie0 nodes in AMD Seattle SOC.
>>>
>>> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
>>>
>>
>> This could use a changelog text to explain why it's broken and how the
>> fix works.
>>
>>         Arnd
>>
>
> So, I have not experience the breakage. However, IIUC, the GICv2m MSI frame
> is also considered DMA-able. So, I think it should be included in the
> dma-range specified here. Please let me know if my assumption is incorrect.
> Otherwise, I will include more description in the commit log in my next rev.

As I replied when I did it -- I've applied the patches, so respinning
won't work. Instead, please follow up with incremental fixes to this
series instead.


Thanks,

-Olof