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Diffstat (limited to 'drivers/of/of_reserved_mem.c')
-rw-r--r--drivers/of/of_reserved_mem.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 895c83e0c7b6..1977ee0adcb1 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -20,13 +20,12 @@
#include <linux/of_reserved_mem.h>
#include <linux/sort.h>
#include <linux/slab.h>
+#include <linux/memblock.h>
#define MAX_RESERVED_REGIONS 32
static struct reserved_mem reserved_mem[MAX_RESERVED_REGIONS];
static int reserved_mem_count;
-#if defined(CONFIG_HAVE_MEMBLOCK)
-#include <linux/memblock.h>
int __init __weak early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
phys_addr_t align, phys_addr_t start, phys_addr_t end, bool nomap,
phys_addr_t *res_base)
@@ -37,6 +36,7 @@ int __init __weak early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
* panic()s on allocation failure.
*/
end = !end ? MEMBLOCK_ALLOC_ANYWHERE : end;
+ align = !align ? SMP_CACHE_BYTES : align;
base = __memblock_alloc_base(size, align, end);
if (!base)
return -ENOMEM;
@@ -54,16 +54,6 @@ int __init __weak early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
return memblock_remove(base, size);
return 0;
}
-#else
-int __init __weak early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
- phys_addr_t align, phys_addr_t start, phys_addr_t end, bool nomap,
- phys_addr_t *res_base)
-{
- pr_err("Reserved memory not supported, ignoring region 0x%llx%s\n",
- size, nomap ? " (nomap)" : "");
- return -ENOSYS;
-}
-#endif
/**
* res_mem_save_node() - save fdt node for second pass initialization