linux-kernel - Re: [PATCH 09/20] of/fdt: create common debugfs

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Date:	Fri, 04 Apr 2014 14:22:32 +0200
From:	Michal Simek <monstr@...str.eu>
To:	monstr@...str.eu
CC:	Rob Herring <robherring2@...il.com>, linux-kernel@...r.kernel.org,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH 09/20] of/fdt: create common debugfs

>> diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
>> index fa16a91..2085d47 100644
>> --- a/drivers/of/fdt.c
>> +++ b/drivers/of/fdt.c
>> @@ -20,6 +20,7 @@
>>  #include <linux/string.h>
>>  #include <linux/errno.h>
>>  #include <linux/slab.h>
>> +#include <linux/debugfs.h>
>>  
>>  #include <asm/setup.h>  /* for COMMAND_LINE_SIZE */
>>  #ifdef CONFIG_PPC
>> @@ -1084,4 +1085,27 @@ void __init unflatten_and_copy_device_tree(void)
>>  	unflatten_device_tree();
>>  }
>>  
>> +#if defined(CONFIG_DEBUG_FS) && defined(DEBUG)
>> +static struct debugfs_blob_wrapper flat_dt_blob;
>> +
>> +static int __init of_flat_dt_debugfs_export_fdt(void)
>> +{
>> +	struct dentry *d = debugfs_create_dir("device-tree", NULL);
>> +
>> +	if (!d)
>> +		return -ENOENT;
>> +
>> +	flat_dt_blob.data = initial_boot_params;
>> +	flat_dt_blob.size = fdt_totalsize(initial_boot_params);
> 
> Have you tried to compile this?
> 
> From my tests fdt_totalsize is not available for target just for host
> from libfdt.h
> 
> drivers/of/fdt.c: In function 'of_flat_dt_debugfs_export_fdt':
> drivers/of/fdt.c:957:2: error: implicit declaration of function 'fdt_totalsize' [-Werror=implicit-function-declaration]

Ignore this one - there is no compilation problem.

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform



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