Commit 2ea10b1a authored Oct 30, 2007 by Michael Hennerich Committed by Jeff Garzik Oct 30, 2007

Blackfin EMAC driver: Fix Ethernet communication bug (dupliated and lost packets)



Fix Ethernet communication bug(dupliated and lost packets)
in RMII PHY mode- dont call mac_disable and mac_enable during
10/100 REFCLK changes - mac_enable screws up the DMA descriptor chain

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

parent a06da754

drivers/net/bfin_mac.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -371,7 +371,6 @@ static void bf537_adjust_link(struct net_device *dev)
		if (phydev->speed != lp->old_speed) {
		#if defined(CONFIG_BFIN_MAC_RMII)
		u32 opmode = bfin_read_EMAC_OPMODE();
		bf537mac_disable();
		switch (phydev->speed) {
		case 10:
		opmode \|= RMII_10;
		@@ -386,7 +385,6 @@ static void bf537_adjust_link(struct net_device *dev)
		break;
		}
		bfin_write_EMAC_OPMODE(opmode);
		bf537mac_enable();
		#endif

		new_state = 1;