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Only read media status bits when they are valid. 

From Makoto Fujiwara in PR kern/21810.
This commit is contained in:
martin 2003-06-06 23:22:56 +00:00
parent 99d1eb21d4
commit b464a5b71f
1 changed files with 3 additions and 3 deletions
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6
sys/dev/mii/bmtphy.c
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@ -1,4 +1,4 @@
/* $NetBSD: bmtphy.c,v 1.13 2003/05/02 19:42:35 scw Exp $ */
/* $NetBSD: bmtphy.c,v 1.14 2003/06/06 23:22:56 martin Exp $ */
/*-
* Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
@ -73,7 +73,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: bmtphy.c,v 1.13 2003/05/02 19:42:35 scw Exp $");
__KERNEL_RCSID(0, "$NetBSD: bmtphy.c,v 1.14 2003/06/06 23:22:56 martin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -236,7 +236,6 @@ bmtphy_status(struct mii_softc *sc)
mii->mii_media_active = IFM_ETHER;
bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
aux_csr = PHY_READ(sc, MII_BMTPHY_AUX_CSR);
if (bmsr & BMSR_LINK)
mii->mii_media_status |= IFM_ACTIVE;
@ -262,6 +261,7 @@ bmtphy_status(struct mii_softc *sc)
return;
}
aux_csr = PHY_READ(sc, MII_BMTPHY_AUX_CSR);
if (aux_csr & AUX_CSR_SPEED)
mii->mii_media_active |= IFM_100_TX;
else