diff options
author | Josh Cartwright <joshc@codeaurora.org> | 2014-03-13 16:36:36 -0500 |
---|---|---|
committer | Mark Brown <broonie@linaro.org> | 2014-07-24 19:57:20 +0100 |
commit | b94c8bedffeabb49f57bed9de17030f2addd21a0 (patch) | |
tree | 4fc95116aae683d12b5cd4757bed6aa3f11817c8 | |
parent | 7c828dcc5ce4d19c7863ec204cac0dea341e347f (diff) |
of: only scan for reserved mem when fdt present
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 <khilman@linaro.org>
Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
(cherry picked from commit 2040b52768ebab6e7bd73af0dc63703269c62f17)
Signed-off-by: Mark Brown <broonie@linaro.org>
-rw-r--r-- | drivers/of/fdt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index b6e4d7fcd316..e521121ff71e 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -559,6 +559,9 @@ 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(); } |