[ARM] 5274/1: simplify request_standard_resources()
authorNicolas Pitre <nico@cam.org>
Thu, 2 Oct 2008 02:29:22 +0000 (03:29 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 2 Oct 2008 21:46:21 +0000 (22:46 +0100)
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>
arch/arm/kernel/setup.c

index e4a975f..1f1eecc 100644 (file)
@@ -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);