linux-kernel - Re: [PATCH V2 07/10] ARM64, ACPI, PCI: I/O Remapping Table (IORT) initial support.

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Message-ID: <5673F801.9030302@huawei.com>
Date:	Fri, 18 Dec 2015 20:11:45 +0800
From:	Hanjun Guo <guohanjun@...wei.com>
To:	Tomasz Nowicki <tn@...ihalf.com>, <marc.zyngier@....com>,
	<tglx@...utronix.de>, <jason@...edaemon.net>, <rjw@...ysocki.net>,
	<lorenzo.pieralisi@....com>, <robert.richter@...iumnetworks.com>,
	<shijie.huang@....com>, <Suravee.Suthikulpanit@....com>
CC:	<mw@...ihalf.com>, <graeme.gregory@...aro.org>,
	<Catalin.Marinas@....com>, <will.deacon@....com>,
	<linux-kernel@...r.kernel.org>, <linux-acpi@...r.kernel.org>,
	<hanjun.guo@...aro.org>, <linux-arm-kernel@...ts.infradead.org>,
	<ddaney.cavm@...il.com>
Subject: Re: [PATCH V2 07/10] ARM64, ACPI, PCI: I/O Remapping Table (IORT)
 initial support.

On 2015/12/17 21:24, Tomasz Nowicki wrote:
> On 17.12.2015 12:52, Tomasz Nowicki wrote:
>> IORT shows representation of IO topology for ARM based systems.
>> It describes how various components are connected together on
>> parent-child basis e.g. PCI RC -> SMMU -> ITS.
>>
>> Initial support allows to:
>> - register ITS MSI chip along with ITS translation ID and domain token
>> - find registered domain token based on ITS translation ID
>> - find registered domain token corresponding to given PCI device
>> - find PCI device DeviceID based on its RequesterID
>>
>> Additional features like:
>> - devices to SMMU binding
>> - finding platform device DeviceID based on its RequesterID
>> will be added in next series.
>>
>> Signed-off-by: Tomasz Nowicki <tn@...ihalf.com>
>>
>> Conflicts:
>>     drivers/acpi/Kconfig
>
> Sorry for ^^^^ git rebase leftover.
>
>> ---
>>   drivers/acpi/Kconfig    |   3 +
>>   drivers/acpi/Makefile   |   1 +
>>   drivers/acpi/iort.c     | 326 ++++++++++++++++++++++++++++++++++++++++++++++++
>>   drivers/irqchip/Kconfig |   1 +
>>   include/linux/iort.h    |  38 ++++++
>>   5 files changed, 369 insertions(+)
>>   create mode 100644 drivers/acpi/iort.c
>>   create mode 100644 include/linux/iort.h
>>
>
> [...]
>
>> diff --git a/include/linux/iort.h b/include/linux/iort.h
>> new file mode 100644
>> index 0000000..783e8d6
>> --- /dev/null
>> +++ b/include/linux/iort.h
>> @@ -0,0 +1,38 @@
>> +/*
>> + * Copyright (C) 2015, Linaro Ltd.
>> + *    Author: Tomasz Nowicki <tomasz.nowicki@...aro.org>
>> + *
>> + * This program is free software; you can redistribute it and/or modify it
>> + * under the terms and conditions of the GNU General Public License,
>> + * version 2, as published by the Free Software Foundation.
>> + *
>> + * This program is distributed in the hope it will be useful, but WITHOUT
>> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
>> + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
>> + * more details.
>> + *
>> + * You should have received a copy of the GNU General Public License along with
>> + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
>> + * Place - Suite 330, Boston, MA 02111-1307 USA.
>> + */
>> +
>> +#ifndef __IORT_H__
>> +#define __IORT_H__
>> +
>> +#include <linux/acpi.h>
>> +
>> +#ifdef CONFIG_ACPI
>> +
>
> As per kbuild test report, this has to be:
> #ifdef CONFIG_IORT_TABLE
>
> Will be fixed in the next version.

Sorry, I should notice this email before I comment on this patch
as you already find the way to fix it.

Thanks
Hanjun

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