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CVS: cvs.openbsd.org: src

Module name:	src
Changes by:	csapuntz_(_at_)_cvs_(_dot_)_openbsd_(_dot_)_org	2001/07/31 00:14:05

Modified files:
	sys/dev/ata    : ata_wdc.c 
	sys/dev/pci    : pciide.c 
	sys/dev/ic     : wdcvar.h 
	sys/dev/atapiscsi: atapiscsi.c 

Log message:
On DMA timeouts, stop busmaster PCIIDE and reset channel. Avoid reading
device registers as this may cause lock-ups on some chipsets

Clean-up in atapiscsi. Get rid of claim_irq. Instead, atapiscsi always
returns -1 (maybe) from the interrupt handler.

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