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of: only scan for reserved mem when fdt present

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When the reserved memory patches hit -next, several legacy (non-DT) boot
failures were detected and bisected down to that commit. There needs to
be some sanity checking whether a DT is even present before parsing the
reserved ranges.

Reported-by: Kevin Hilman <[email protected]>
Signed-off-by: Josh Cartwright <[email protected]>
Tested-by: Kevin Hilman <[email protected]>
Signed-off-by: Grant Likely <[email protected]>
This commit is contained in:
Josh Cartwright 2014-03-13 16:36:36 -05:00 • committed by Grant Likely
commit 2040b52768
1 changed files with 3 additions and 0 deletions
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3
drivers/of/fdt.c
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@ -557,6 +557,9 @@ static int __init __fdt_scan_reserved_mem(unsigned long node, const char *uname,
*/
void __init early_init_fdt_scan_reserved_mem(void)
{
if (!initial_boot_params)
return;
of_scan_flat_dt(__fdt_scan_reserved_mem, NULL);
fdt_init_reserved_mem();
}