Module Name:	syssrc
Committed By:	thorpej
Date:		Fri Jun 30 00:00:00 UTC 2000

Modified Files:
	syssrc/sys/dev/ic [netbsd-1-5]: i82557.c

Log Message:
Pull up rev. 1.36:
Since the RFA is allocated in a normal mbuf, as opposed to DMA-safe
memory that is explicitly mapped in a DMA-coherent manner, we must
make sure to PREREAD sync the RFA after noticing a clear "complete"
bit.  Without this, the clear bit will linger in the cache, and the
CPU will not notice when the chip updates the bit via DMA later.

>From Izumi Tsutsui on port-arm32@netbsd.org.


To generate a diff of this commit:
cvs rdiff -r1.34 -r1.34.2.1 syssrc/sys/dev/ic/i82557.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.