Commit 342b7b74 authored Sep 27, 2012 by Daniel Mack Committed by David S. Miller Oct 01, 2012

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>

parent 8112ec3b

drivers/net/ethernet/ti/cpsw.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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;