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net: ti cpsw ethernet: set IFCTL_A bit in MACCONTROL 

For RMII/RGMII mode operation in 100Mbps, the CPSW needs to set the
IFCTL_A bits in the MACCONTROL register. For all other PHY modes, this
bit is unused, so setting it unconditionally shouldn't cause any
trouble.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Mack 2012-09-27 09:19:34 +00:00 committed by David S. Miller
parent 8112ec3b87
commit 342b7b741d
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/ti/cpsw.c
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@ -386,6 +386,11 @@ static void _cpsw_adjust_link(struct cpsw_slave *slave,
mac_control |= BIT(7); /* GIGABITEN */
if (phy->duplex)
mac_control |= BIT(0); /* FULLDUPLEXEN */
/* set speed_in input in case RMII mode is used in 100Mbps */
if (phy->speed == 100)
mac_control |= BIT(15);
*link = true;
} else {
mac_control = 0;