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of/fdt: create common debugfs

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Both powerpc and microblaze have the same FDT blob in debugfs feature.
Move this to common location and remove the powerpc and microblaze
implementations. This feature could become more useful when FDT
overlay support is added.

This changes the path of the blob from "$arch/flat-device-tree" to
"device-tree/flat-device-tree".

Signed-off-by: Rob Herring <[email protected]>
Tested-by: Michal Simek <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: [email protected]
Tested-by: Grant Likely <[email protected]>
Tested-by: Stephen Chivers <[email protected]>
This commit is contained in:
Rob Herring 2014-04-02 16:56:48 -05:00
commit b0a6fb36a4
3 changed files with 24 additions and 52 deletions
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31
arch/microblaze/kernel/prom.c
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@ -114,34 +114,3 @@ void __init early_init_devtree(void *params)
pr_debug(" <- early_init_devtree()\n");
}
/*******
*
* New implementation of the OF "find" APIs, return a refcounted
* object, call of_node_put() when done. The device tree and list
* are protected by a rw_lock.
*
* Note that property management will need some locking as well,
* this isn't dealt with yet.
*
*******/
#if defined(CONFIG_DEBUG_FS) && defined(DEBUG)
static struct debugfs_blob_wrapper flat_dt_blob;
static int __init export_flat_device_tree(void)
{
struct dentry *d;
flat_dt_blob.data = initial_boot_params;
flat_dt_blob.size = initial_boot_params->totalsize;
d = debugfs_create_blob("flat-device-tree", S_IFREG | S_IRUSR,
of_debugfs_root, &flat_dt_blob);
if (!d)
return 1;
return 0;
}
device_initcall(export_flat_device_tree);
#endif