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author | 2013-08-26 11:23:50 -0500 | |
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committer | 2013-10-09 11:38:04 -0500 | |
commit | 3486892f998fea5b4f1a0a4d093f09b7d0024696 (patch) | |
tree | 3daa4d3a8066395a616ec25fdc84a8113d31a1e8 /arch/openrisc | |
parent | arc: use unflatten_and_copy_device_tree (diff) | |
download | linux-3486892f998fea5b4f1a0a4d093f09b7d0024696.tar.gz linux-3486892f998fea5b4f1a0a4d093f09b7d0024696.tar.bz2 linux-3486892f998fea5b4f1a0a4d093f09b7d0024696.zip |
openrisc: use unflatten_and_copy_device_tree
Use the common unflatten_and_copy_device_tree to copy the built-in FDT
out of init section. This moves the copy later in the boot, but there
do not appear to be any references to strings in the FDT before the copy.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: linux@lists.openrisc.net
Diffstat (limited to 'arch/openrisc')
-rw-r--r-- | arch/openrisc/kernel/prom.c | 13 | ||||
-rw-r--r-- | arch/openrisc/kernel/setup.c | 2 |
2 files changed, 1 insertions, 14 deletions
diff --git a/arch/openrisc/kernel/prom.c b/arch/openrisc/kernel/prom.c index bf3fd05703c3..3b94972e52b2 100644 --- a/arch/openrisc/kernel/prom.c +++ b/arch/openrisc/kernel/prom.c @@ -55,8 +55,6 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size) void __init early_init_devtree(void *params) { - void *alloc; - /* Setup flat device-tree pointer */ initial_boot_params = params; @@ -72,17 +70,6 @@ void __init early_init_devtree(void *params) of_scan_flat_dt(early_init_dt_scan_memory, NULL); memblock_allow_resize(); - - /* We must copy the flattend device tree from init memory to regular - * memory because the device tree references the strings in it - * directly. - */ - - alloc = __va(memblock_alloc(initial_boot_params->totalsize, PAGE_SIZE)); - - memcpy(alloc, initial_boot_params, initial_boot_params->totalsize); - - initial_boot_params = alloc; } #ifdef CONFIG_BLK_DEV_INITRD diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c index 719c5c8895c4..09a769b69572 100644 --- a/arch/openrisc/kernel/setup.c +++ b/arch/openrisc/kernel/setup.c @@ -283,7 +283,7 @@ void __init setup_arch(char **cmdline_p) { unsigned long max_low_pfn; - unflatten_device_tree(); + unflatten_and_copy_device_tree(); setup_cpuinfo(); |