Stephen Hemminger 75e806838a
sky2: receive FIFO checking ...
A driver writer from another operating system hinted that
the versions of Yukon 2 chip with rambuffer (EC and XL) have
a hardware bug that if the FIFO ever gets completely full it
will hang. Sounds like a classic ring full vs ring empty wrap around
bug.
As a workaround, use the existing watchdog timer to check for
ring full lockup.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org >
Signed-off-by: Jeff Garzik <jeff@garzik.org >
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Stephen Hemminger
75e806838a