linux-kernel - Re: [PATCH v8 0/9] Support for creating generic PCI host bridges from DT

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Date:	Thu, 10 Jul 2014 17:44:07 -0700
From:	Tanmay Inamdar <tinamdar@....com>
To:	Liviu Dudau <Liviu.Dudau@....com>
Cc:	Rob Herring <robherring2@...il.com>,
	linux-pci <linux-pci@...r.kernel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Arnd Bergmann <arnd@...db.de>,
	linaro-kernel <linaro-kernel@...ts.linaro.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Sinan Kaya <okaya@...eaurora.org>,
	Jingoo Han <jg1.han@...sung.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Suravee Suthikulanit <suravee.suthikulpanit@....com>,
	Device Tree ML <devicetree@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	LAKML <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v8 0/9] Support for creating generic PCI host bridges from DT

Hi,

On Tue, Jul 8, 2014 at 10:18 AM, Liviu Dudau <Liviu.Dudau@....com> wrote:
> On Sun, Jul 06, 2014 at 04:23:43PM +0100, Rob Herring wrote:
>> On Tue, Jul 1, 2014 at 1:43 PM, Liviu Dudau <Liviu.Dudau@....com> wrote:
>> > This is my resurected attempt at adding support for generic PCI host
>> > bridge controllers that make use of device tree information to
>> > configure themselves. I've tagged it as v8 although the patches
>> > have now been reshuffled in order to ease adoption so referring to
>> > the older versions might be a bit of a hoop jumping exercise.
>> >
>> > Changes from v7:
>> >   - Reordered the patches so that fixes and non-controversial patches
>> >     from v7 can be accepted more easily. If agreed I can split the
>> >     series again into patches that can be upstreamed easily and ones
>> >     that still need discussion.
>> >   - Moved the of_create_host_bridge() function to drivers/of/of_pci.c
>> >     to better reflect its target use.
>> >   - Added the function to remap the bus I/O resources that used to be
>> >     provided in my arm64 patch series and (re)named it pci_remap_iospace()
>> >   - Removed error code checking from parsing and mapping of IRQ from DT
>> >     in recognition that some PCI devices will not have legacy IRQ mappings.
>> >
>> > v7 thread here with all the historic information: https://lkml.org/lkml/2014/3/14/279
>>
>> Can you publish a branch for this series please.
>>
>> Rob
>>
>
> Hi Rob,
>
> I have pushed a brach that matches my v8 patchset +1 obvious missing header include
> here: http://www.linux-arm.org/git?p=linux-ld.git;a=shortlog;h=refs/heads/for-upstream/pci_v8
>

I was still getting following compilation error after applying arm64
pci headers. Please let me know if I am missing something.

linux-git/drivers/of/of_pci.c: In function ‘pci_host_bridge_of_get_ranges’:
linux-git/drivers/of/of_pci.c:114:22: error: storage size of ‘range’ isn’t known
  struct of_pci_range range;
                      ^
linux-git/drivers/of/of_pci.c:115:29: error: storage size of ‘parser’
isn’t known
  struct of_pci_range_parser parser;
                             ^
linux-git/drivers/of/of_pci.c:121:2: error: implicit declaration of
function ‘of_pci_range_parser_init’
[-Werror=implicit-function-declaration]
  err = of_pci_range_parser_init(&parser, dev);


Below patch fixes the errors.

diff --git a/drivers/of/of_pci.c b/drivers/of/of_pci.c
index 55d8320..da88dac 100644
--- a/drivers/of/of_pci.c
+++ b/drivers/of/of_pci.c
@@ -2,6 +2,7 @@
 #include <linux/export.h>
 #include <linux/of.h>
 #include <linux/of_pci.h>
+#include <linux/of_address.h>

 static inline int __of_pci_pci_compare(struct device_node *node,
                                       unsigned int data)


> Best regards,
> Liviu
>
>
> --
> ====================
> | I would like to |
> | fix the world,  |
> | but they're not |
> | giving me the   |
>  \ source code!  /
>   ---------------
>     ¯\_(ツ)_/¯
>
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