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author | Alexandre Belloni <[email protected]> | 2017-03-02 18:31:12 +0100 |
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committer | Wim Van Sebroeck <[email protected]> | 2017-05-18 18:51:24 +0200 |
commit | ddd6d240b26dcb8b8dc98bd493eba944dd97ebc8 (patch) | |
tree | 3841ccf38b20b4e0b3adbb3aa12c801cff69450e /tools/perf/scripts/python/call-graph-from-postgresql.py | |
parent | 015b528644a84b0018d3286ecd6ea5f82dce0180 (diff) |
watchdog: sama5d4: fix race condition
WDT_MR and WDT_CR must not updated within three slow clock periods after
the last ping (write to WDT_CR or WDT_MR). Ensure enough time has elapsed
before writing those registers.
wdt_write() waits for 4 periods to ensure at least 3 edges are seen by the
IP.
Signed-off-by: Alexandre Belloni <[email protected]>
Acked-by: Wenyou.Yang <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions