linux-kernel - Re: [PATCH] dtc: Use quotes to include header files

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Message-ID: <CAL_JsqJ9P8Wco3szNW0gU-mSV=ryDr6ZfZ3y1XETYuVOX6XYNA@mail.gmail.com>
Date:	Thu, 29 Jan 2015 10:30:02 -0600
From:	Rob Herring <robherring2@...il.com>
To:	Grant Likely <grant.likely@...aro.org>
Cc:	Chris Packham <chris.packham@...iedtelesis.co.nz>,
	Rob Herring <robh+dt@...nel.org>, Jon Loeliger <jdl@....com>,
	Arnd Bergmann <arnd@...db.de>,
	"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>
Subject: Re: [PATCH] dtc: Use quotes to include header files

On Thu, Jan 29, 2015 at 9:56 AM, Grant Likely <grant.likely@...aro.org> wrote:
> On Tue, 16 Dec 2014 15:13:24 +1300
> , Chris Packham <chris.packham@...iedtelesis.co.nz>
>  wrote:
>> Currently in arch and driver code that needs early access to the
>> flattened device tree it is necessary to add specific CFLAGS so that
>> when scripts/dtc/libfdt/libfdt.h is included the C preprocessor is able
>> to locate the libfdt versions of libfdt_env.h and fdt.h without
>> generating an error.

[...]

>> diff --git a/scripts/dtc/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h
>> index 73f4975..ea1ddcd 100644
>> --- a/scripts/dtc/libfdt/libfdt.h
>> +++ b/scripts/dtc/libfdt/libfdt.h
>> @@ -51,8 +51,8 @@
>>   *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>>   */
>>
>> -#include <libfdt_env.h>
>> -#include <fdt.h>
>> +#include "libfdt_env.h"
>> +#include "fdt.h"
>
> Until this is resolved with upstream DTC, what about adding dummy
> libfdt.h, libfdt_env.h and fdt.h to include/linux? That would get this
> out of the blocker path for merging this code.

2 of those already exist. Is it only a matter of adding fdt.h or is
there more to it?

This could also be carried as part of the import script to fix up.

Rob
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