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-rw-r--r--arch/arm64/kernel/setup.c22
1 files changed, 2 insertions, 20 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 20fe2932ad0c..e8420f635bd4 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -40,6 +40,7 @@
#include <linux/fs.h>
#include <linux/proc_fs.h>
#include <linux/memblock.h>
+#include <linux/of_iommu.h>
#include <linux/of_fdt.h>
#include <linux/of_platform.h>
#include <linux/efi.h>
@@ -322,25 +323,6 @@ static void __init setup_machine_fdt(phys_addr_t dt_phys)
dump_stack_set_arch_desc("%s (DT)", of_flat_dt_get_machine_name());
}
-/*
- * Limit the memory size that was specified via FDT.
- */
-static int __init early_mem(char *p)
-{
- phys_addr_t limit;
-
- if (!p)
- return 1;
-
- limit = memparse(p, &p) & PAGE_MASK;
- pr_notice("Memory limited to %lldMB\n", limit >> 20);
-
- memblock_enforce_memory_limit(limit);
-
- return 0;
-}
-early_param("mem", early_mem);
-
static void __init request_standard_resources(void)
{
struct memblock_region *region;
@@ -401,7 +383,6 @@ void __init setup_arch(char **cmdline_p)
paging_init();
request_standard_resources();
- efi_idmap_init();
early_ioremap_reset();
unflatten_device_tree();
@@ -425,6 +406,7 @@ void __init setup_arch(char **cmdline_p)
static int __init arm64_device_init(void)
{
+ of_iommu_init();
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
return 0;
}