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Actually clear the interrupt on the RBV.

This commit is contained in:
briggs 1996-05-21 00:04:18 +00:00
parent b15951c1ee
commit 3fb1d834fc
1 changed files with 5 additions and 2 deletions
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7
sys/arch/mac68k/mac68k/via.c
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@ -1,4 +1,4 @@
/* $NetBSD: via.c,v 1.41 1996/05/20 04:32:33 scottr Exp $ */ /* $NetBSD: via.c,v 1.42 1996/05/21 00:04:18 briggs Exp $ */
/*- /*-
* Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo, * Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo,
@ -242,7 +242,10 @@ rbv_intr(fp)
do { do {
if (intbits & mask) { if (intbits & mask) {
via2itab[bitnum](via2iarg[bitnum]); via2itab[bitnum](via2iarg[bitnum]);
via2_reg(rIFR) = mask; /*
* High bit must be set to actually clear interrupt.
*/
via2_reg(rIFR) = 0x80 | mask;
} }
mask <<= 1; mask <<= 1;
} while (intbits >= mask && ++bitnum < 7); } while (intbits >= mask && ++bitnum < 7);