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authorMichael Hennerich <michael.hennerich@analog.com>2007-10-30 17:04:09 +0800
committerJeff Garzik <jeff@garzik.org>2007-10-30 14:32:16 -0400
commit2ea10b1a545562658b0eccb24b0feda3f77d4d36 (patch)
tree4309bf7dcad5b217967d23ec0c28ba23148d0bad /drivers/net/bfin_mac.c
parenta06da754692ab79c75c64ca95850957dc3ef154d (diff)
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>
Diffstat (limited to 'drivers/net/bfin_mac.c')
-rw-r--r--drivers/net/bfin_mac.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 53fe7ded5d5..084acfd6fc5 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;