From f464ba87fe7f346e270239354eb0d38f7a3b3e6b Mon Sep 17 00:00:00 2001 From: Bruce Allan Date: Thu, 7 Jan 2010 16:31:35 +0000 Subject: e1000e: perform 10/100 adaptive IFS only on parts that support it Adaptive IFS which involves writing to the Adaptive IFS Throttle register was being done for all devices supported by the driver even though it is not supported (i.e. the register doesn't even exist) on some devices. The feature is supported on 8257x/82583 and ICH/PCH based devices, but not on ESB2. Signed-off-by: Bruce Allan Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/e1000e/es2lan.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/e1000e/es2lan.c') diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c index 3028f23da89..e2aa3b78856 100644 --- a/drivers/net/e1000e/es2lan.c +++ b/drivers/net/e1000e/es2lan.c @@ -224,6 +224,8 @@ static s32 e1000_init_mac_params_80003es2lan(struct e1000_adapter *adapter) /* Set if manageability features are enabled. */ mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK) ? true : false; + /* Adaptive IFS not supported */ + mac->adaptive_ifs = false; /* check for link */ switch (hw->phy.media_type) { -- cgit v1.2.3-18-g5258