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[ARM] 5274/1: simplify request_standard_resources()

There is no point converting memory bank addresses from physical to
virtual just to convert them back to physical addresses.  Furthermore
this isn't "right" for highmem even if in this case the end result is
the correct one.

Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Nicolas Pitre 17 年 前
コミット
3319f5e51a
1 ファイル変更2 行追加7 行削除
  1. 2 7
      arch/arm/kernel/setup.c

+ 2 - 7
arch/arm/kernel/setup.c

@@ -478,18 +478,13 @@ request_standard_resources(struct meminfo *mi, struct machine_desc *mdesc)
 	kernel_data.end     = virt_to_phys(&_end - 1);
 
 	for (i = 0; i < mi->nr_banks; i++) {
-		unsigned long virt_start, virt_end;
-
 		if (mi->bank[i].size == 0)
 			continue;
 
-		virt_start = __phys_to_virt(mi->bank[i].start);
-		virt_end   = virt_start + mi->bank[i].size - 1;
-
 		res = alloc_bootmem_low(sizeof(*res));
 		res->name  = "System RAM";
-		res->start = __virt_to_phys(virt_start);
-		res->end   = __virt_to_phys(virt_end);
+		res->start = mi->bank[i].start;
+		res->end   = mi->bank[i].start + mi->bank[i].size - 1;
 		res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
 
 		request_resource(&iomem_resource, res);