From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1752651AbbCJJV2 (ORCPT <rfc822;w@1wt.eu>);
	Tue, 10 Mar 2015 05:21:28 -0400
Received: from mail-pd0-f175.google.com ([209.85.192.175]:36882 "EHLO
	mail-pd0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1751116AbbCJJVY (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Tue, 10 Mar 2015 05:21:24 -0400
Message-ID: <54FEB78B.5040005@linaro.org>
Date: Tue, 10 Mar 2015 17:21:15 +0800
From: Hanjun Guo <hanjun.guo@linaro.org>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0
MIME-Version: 1.0
To: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
CC: Catalin Marinas <Catalin.Marinas@arm.com>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Will Deacon <Will.Deacon@arm.com>, Olof Johansson <olof@lixom.net>,
        "grant.likely@linaro.org" <grant.likely@linaro.org>,
        Arnd Bergmann <arnd@arndb.de>, Mark Rutland <Mark.Rutland@arm.com>,
        "graeme.gregory@linaro.org" <graeme.gregory@linaro.org>,
        Sudeep Holla <Sudeep.Holla@arm.com>, "jcm@redhat.com" <jcm@redhat.com>,
        Marc Zyngier <Marc.Zyngier@arm.com>, Mark Brown <broonie@kernel.org>,
        Robert Richter <rric@kernel.org>, Timur Tabi <timur@codeaurora.org>,
        Ashwin Chaugule <ashwinc@codeaurora.org>,
        "suravee.suthikulpanit@amd.com" <suravee.suthikulpanit@amd.com>,
        "linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
        "linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linaro-acpi@lists.linaro.org" <linaro-acpi@lists.linaro.org>,
        Liviu Dudau <Liviu.Dudau@arm.com>
Subject: Re: [PATCH v9 08/21] ARM64 / ACPI: Introduce PCI stub functions for
 ACPI
References: <1424853601-6675-1-git-send-email-hanjun.guo@linaro.org> <1424853601-6675-9-git-send-email-hanjun.guo@linaro.org> <20150306183157.GC26888@e102568-lin.cambridge.arm.com>
In-Reply-To: <20150306183157.GC26888@e102568-lin.cambridge.arm.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 2015年03月07日 02:31, Lorenzo Pieralisi wrote:
> On Wed, Feb 25, 2015 at 08:39:48AM +0000, Hanjun Guo wrote:
>
> [...]
>
>> diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
>> index 6f93c24..4095379 100644
>> --- a/arch/arm64/kernel/pci.c
>> +++ b/arch/arm64/kernel/pci.c
>> @@ -10,6 +10,7 @@
>>    *
>>    */
>>
>> +#include <linux/acpi.h>
>>   #include <linux/init.h>
>>   #include <linux/io.h>
>>   #include <linux/kernel.h>
>> @@ -46,3 +47,27 @@ int pcibios_add_device(struct pci_dev *dev)
>>
>>   	return 0;
>>   }
>> +
>> +/*
>> + * raw_pci_read/write - Platform-specific PCI config space access.
>> + */
>> +int raw_pci_read(unsigned int domain, unsigned int bus,
>> +		  unsigned int devfn, int reg, int len, u32 *val)
>> +{
>> +	return -ENXIO;
>> +}
>> +
>> +int raw_pci_write(unsigned int domain, unsigned int bus,
>> +		unsigned int devfn, int reg, int len, u32 val)
>> +{
>> +	return -ENXIO;
>> +}
>> +
>
> It would be nice to see:
>
> https://lkml.org/lkml/2015/2/27/264
>
> merged at the same time, so that the two functions above disappear :)

I hope so, but MMCONFIG patches are being taken care of by Bjorn, it
would be nice to merge them through different tree (and it no harms),
and remove those two function when introducing the implementation
of pci_acpi_scan_root() in later patches.

Thanks
Hanjun