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authorJeremy Kerr <jeremy.kerr@canonical.com>2010-02-14 09:13:47 -0500
committerGrant Likely <grant.likely@secretlab.ca>2010-02-14 09:13:47 -0500
commit4ef7b373df330bc0ff037dc4792d373c9346375f (patch)
tree5e0daa974d6de7b96c95d990cbc191085ec80349 /drivers/of
parent9dfbf207802c7e8cda9d081a8d750b50633c82d2 (diff)
of/flattree: Don't assume HAVE_LMB
We don't always have lmb available, so make arches provide an early_init_dt_alloc_memory_arch() to handle the allocation of memory in the fdt code. When we don't have lmb.h included, we need asm/page.h for __va. Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/fdt.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index b51f797d9d9d..406757a9d7ea 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -10,16 +10,18 @@
10 */ 10 */
11 11
12#include <linux/kernel.h> 12#include <linux/kernel.h>
13#include <linux/lmb.h>
14#include <linux/initrd.h> 13#include <linux/initrd.h>
15#include <linux/of.h> 14#include <linux/of.h>
16#include <linux/of_fdt.h> 15#include <linux/of_fdt.h>
17 16#include <linux/string.h>
17#include <linux/errno.h>
18 18
19#ifdef CONFIG_PPC 19#ifdef CONFIG_PPC
20#include <asm/machdep.h> 20#include <asm/machdep.h>
21#endif /* CONFIG_PPC */ 21#endif /* CONFIG_PPC */
22 22
23#include <asm/page.h>
24
23int __initdata dt_root_addr_cells; 25int __initdata dt_root_addr_cells;
24int __initdata dt_root_size_cells; 26int __initdata dt_root_size_cells;
25 27
@@ -560,7 +562,8 @@ void __init unflatten_device_tree(void)
560 pr_debug(" size is %lx, allocating...\n", size); 562 pr_debug(" size is %lx, allocating...\n", size);
561 563
562 /* Allocate memory for the expanded device tree */ 564 /* Allocate memory for the expanded device tree */
563 mem = lmb_alloc(size + 4, __alignof__(struct device_node)); 565 mem = early_init_dt_alloc_memory_arch(size + 4,
566 __alignof__(struct device_node));
564 mem = (unsigned long) __va(mem); 567 mem = (unsigned long) __va(mem);
565 568
566 ((__be32 *)mem)[size / 4] = cpu_to_be32(0xdeadbeef); 569 ((__be32 *)mem)[size / 4] = cpu_to_be32(0xdeadbeef);