diff options
| -rw-r--r-- | drivers/staging/vt6655/mac.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/staging/vt6655/mac.c b/drivers/staging/vt6655/mac.c index 6499709bc865..ece2bf076521 100644 --- a/drivers/staging/vt6655/mac.c +++ b/drivers/staging/vt6655/mac.c @@ -184,14 +184,11 @@ void MACvSetLongRetryLimit(struct vnt_private *priv, unsigned char byRetryLimit) void MACvSetLoopbackMode(struct vnt_private *priv, unsigned char byLoopbackMode) { void __iomem *io_base = priv->PortOffset; - unsigned char byOrgValue; byLoopbackMode <<= 6; /* set TCR */ - VNSvInPortB(io_base + MAC_REG_TEST, &byOrgValue); - byOrgValue = byOrgValue & 0x3F; - byOrgValue = byOrgValue | byLoopbackMode; - iowrite8(byOrgValue, io_base + MAC_REG_TEST); + iowrite8((ioread8(io_base + MAC_REG_TEST) & 0x3f) | byLoopbackMode, + io_base + MAC_REG_TEST); } /* |