[wireless-regdb] [PATCH] dbparse: remove usable bandwidth check
Johannes Berg
johannes at sipsolutions.net
Tue Dec 4 14:14:59 EST 2012
From: Johannes Berg <johannes.berg at intel.com>
The kernel uses the bandwidth this way: any frequency
rule that is required for any of the 20 MHz subchannels
of a given channel must allow the total bandwidth.
Therefore, this check is wrong -- a frequency rule may
need to be specified with higher bandwidth than it has
to allow to form e.g. HT40 out of subchannels.
Signed-off-by: Johannes Berg <johannes.berg at intel.com>
---
John, this patch needs to be applied before the other one so the new
db.txt will be parsed successfully.
dbparse.py | 3 ---
1 file changed, 3 deletions(-)
diff --git a/dbparse.py b/dbparse.py
index 893d64e..32cbce9 100755
--- a/dbparse.py
+++ b/dbparse.py
@@ -162,9 +162,6 @@ class DBParser(object):
self._syntax_error("Inverted freq range (%d - %d)" % (start, end))
if start == end:
self._syntax_error("Start and end freqs are equal (%d)" % start)
- if end - start < bw:
- self._syntax_error("Invalid bandwidth: %d width channel "
- "cannot possibly fit between %d - %d" % (bw, start, end))
except ValueError:
self._syntax_error("band must have frequency range")
--
1.8.0
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