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Force the talley counters to be read when we get the interrupt. GCC was 

nicely optimizing the reads out for us.  Kudos for this one go to
Steven R. Weiss <srw@hvcn.org>.
This commit is contained in:
briggs 1996-02-02 15:30:56 +00:00
parent 12e310738e
commit 5336dade8e
1 changed files with 5 additions and 4 deletions
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9
sys/arch/mac68k/dev/if_ae.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_ae.c,v 1.39 1996/01/13 14:03:38 briggs Exp $ */
/* $NetBSD: if_ae.c,v 1.40 1996/02/02 15:30:56 briggs Exp $ */
/*
* Device driver for National Semiconductor DS8390/WD83C690 based ethernet
@ -1006,9 +1006,10 @@ aeintr(arg)
* otherwise - resulting in an infinite loop.
*/
if (isr & ED_ISR_CNT) {
(void) NIC_GET(sc, ED_P0_CNTR0);
(void) NIC_GET(sc, ED_P0_CNTR1);
(void) NIC_GET(sc, ED_P0_CNTR2);
static u_char dummy;
dummy = NIC_GET(sc, ED_P0_CNTR0);
dummy = NIC_GET(sc, ED_P0_CNTR1);
dummy = NIC_GET(sc, ED_P0_CNTR2);
}
isr = NIC_GET(sc, ED_P0_ISR);
if (!isr)