CVS commit: src/sys/arch/mac68k/dev

Module Name:	src
Committed By:	nat
Date:		Wed Mar  4 01:28:47 UTC 2026

Modified Files:
	src/sys/arch/mac68k/dev: sbc.c

Log Message:
Follow pdma more closely in drq_intr.

Performing the first few bytes inidiviually has improved reliabiltiy for
SBC_INTR xfers.  This follows what is done in pdma_out.

Thus far I've had only 1 error reading from a piscsi emulated cdrom drive,
continuously unpacking sets for at least 5 hrs.  I'm now of the impression
that the piscsi cdrom emulation may have problems.

In any case the overall reliablity of drq_intr xfers has dramattically
improved.


To generate a diff of this commit:
cvs rdiff -u -r1.71 -r1.72 src/sys/arch/mac68k/dev/sbc.c

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