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| /openbmc/linux/drivers/net/ethernet/ti/ |
| H A D | cpts.c | diff a93439cce2c1d31469e8245c504dbb6d1bed8749 Fri Jul 28 17:30:05 CDT 2017 Grygorii Strashko <grygorii.strashko@ti.com> net: ethernet: ti: cpts: fix fifo read in cpts_find_ts
Now the call chain
cpts_find_ts()
|- cpts_fifo_read(cpts, CPTS_EV_PUSH)
will stop reading CPTS FIFO if PUSH event is found. But this is not
expected and CPTS FIFI should be completely drained here. This is most
probably copy-paste error and it has no negative impact as CPTS_EV_PUSH
should not be present in FIFO without TS_PUSH request and
cpts_systim_read() and cpts_find_ts() synchronized by spin_lock.
Correct above by calling cpts_fifo_read() with -1 parameter, so it will
read all CPTS event from FIFO.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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