summaryrefslogtreecommitdiff
path: root/sys/dev/ic/ar9003.c
diff options
context:
space:
mode:
authorDamien Bergamini <damien@cvs.openbsd.org>2010-08-18 19:03:08 +0000
committerDamien Bergamini <damien@cvs.openbsd.org>2010-08-18 19:03:08 +0000
commite87999fcde6ceeb99a011b2133413fc104ae53dc (patch)
tree139261cc5a9b158efe7bc3af0f9db422c089259c /sys/dev/ic/ar9003.c
parentd1294fa40f184086f0eb83fa1e4c2da34830b004 (diff)
fix a test that prevents division by zero
restore the 100us delay after writing to an analog register since it turns out that it is required.
Diffstat (limited to 'sys/dev/ic/ar9003.c')
-rw-r--r--sys/dev/ic/ar9003.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/dev/ic/ar9003.c b/sys/dev/ic/ar9003.c
index ca8d4342305..910d8fdbbdb 100644
--- a/sys/dev/ic/ar9003.c
+++ b/sys/dev/ic/ar9003.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ar9003.c,v 1.16 2010/06/22 19:44:22 damien Exp $ */
+/* $OpenBSD: ar9003.c,v 1.17 2010/08/18 19:03:07 damien Exp $ */
/*-
* Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
@@ -2110,7 +2110,7 @@ ar9003_get_iq_corr(struct athn_softc *sc, int32_t res[6], int32_t coeff[2])
/* Compute Rx phase mismatch. */
rxphs = phs[0][0] + (sin[0] * txmag - cos[0] * txphs) / SCALE;
- if (rxmag == SCALE)
+ if (-rxmag == SCALE)
return (1); /* Prevent division by 0. */
txmag = (txmag * SCALE) / (SCALE - txmag);
@@ -2924,6 +2924,8 @@ ar9003_hw_init(struct athn_softc *sc, struct ieee80211_channel *c,
DPRINTFN(4, ("writing pre and core init vals\n"));
for (i = 0; i < ini->ncmregs; i++) {
AR_WRITE(sc, X(ini->cmregs[i]), ini->cmvals[i]);
+ if (AR_IS_ANALOG_REG(X(ini->cmregs[i])))
+ DELAY(100);
if ((i & 0x1f) == 0)
DELAY(1);
}
@@ -2949,6 +2951,8 @@ ar9003_hw_init(struct athn_softc *sc, struct ieee80211_channel *c,
DPRINTFN(4, ("writing post init vals\n"));
for (i = 0; i < ini->nregs; i++) {
AR_WRITE(sc, X(ini->regs[i]), pvals[i]);
+ if (AR_IS_ANALOG_REG(X(ini->regs[i])))
+ DELAY(100);
if ((i & 0x1f) == 0)
DELAY(1);
}
@@ -2970,6 +2974,8 @@ ar9003_hw_init(struct athn_softc *sc, struct ieee80211_channel *c,
DPRINTFN(4, ("writing fast pll clock init vals\n"));
for (i = 0; i < ini->nfastregs; i++) {
AR_WRITE(sc, X(ini->fastregs[i]), pvals[i]);
+ if (AR_IS_ANALOG_REG(X(ini->fastregs[i])))
+ DELAY(100);
if ((i & 0x1f) == 0)
DELAY(1);
}