From 2ea10b1a545562658b0eccb24b0feda3f77d4d36 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Tue, 30 Oct 2007 17:04:09 +0800 Subject: [PATCH] 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 Signed-off-by: Bryan Wu Signed-off-by: Jeff Garzik --- drivers/net/bfin_mac.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index 53fe7ded5d50..084acfd6fc5f 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -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; -- 2.11.0