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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 년 전
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3319f5e51a
1개의 변경된 파일2개의 추가작업 그리고 7개의 파일을 삭제
  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);