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Zero is a valid value for ch_tcor and ch_rcor, so be a bit more conservative

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when deciding if the baud-rate should be changed. (Spotted by Bruce Martin)
Also fix the mask used when setting the Rx FIFO threshold to zero. I don't
yet understand how the Rx side worked with the code as it was. ;-}
This commit is contained in:
scw 1999-11-11 09:38:43 +00:00
parent de6b762004
commit 3981e235b7
1 changed files with 4 additions and 4 deletions
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8
sys/dev/ic/clmpcc.c
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@ -1,4 +1,4 @@
/* $NetBSD: clmpcc.c,v 1.7 1999/09/18 09:45:05 scw Exp $ */
/* $NetBSD: clmpcc.c,v 1.8 1999/11/11 09:38:43 scw Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -965,7 +965,7 @@ clmpcc_set_params(ch)
u_char r1;
u_char r2;
if ( ch->ch_tcor && ch->ch_tbpr ) {
if ( ch->ch_tcor || ch->ch_tbpr ) {
r1 = clmpcc_rdreg(sc, CLMPCC_REG_TCOR);
r2 = clmpcc_rdreg(sc, CLMPCC_REG_TBPR);
/* Only write Tx rate if it really has changed */
@ -975,7 +975,7 @@ clmpcc_set_params(ch)
}
}
if ( ch->ch_rcor && ch->ch_rbpr ) {
if ( ch->ch_rcor || ch->ch_rbpr ) {
r1 = clmpcc_rdreg(sc, CLMPCC_REG_RCOR);
r2 = clmpcc_rdreg(sc, CLMPCC_REG_RBPR);
/* Only write Rx rate if it really has changed */
@ -1114,7 +1114,7 @@ clmpcc_rxintr(arg)
* further receive timeout interrupts.
*/
reg = clmpcc_rdreg(sc, CLMPCC_REG_COR4);
clmpcc_wrreg(sc, CLMPCC_REG_COR4, reg & CLMPCC_COR4_FIFO_MASK);
clmpcc_wrreg(sc, CLMPCC_REG_COR4, reg & ~CLMPCC_COR4_FIFO_MASK);
reg = clmpcc_rdreg(sc, CLMPCC_REG_IER);
clmpcc_wrreg(sc, CLMPCC_REG_IER, reg & ~CLMPCC_IER_RET);
clmpcc_wrreg(sc, CLMPCC_REG_REOIR, CLMPCC_REOIR_NO_TRANS);