* [PATCH 1/1] Blackfin EMAC driver: Fix Ethernet communication bug (dupliated and lost packets)
@ 2007-10-30 9:04 Bryan Wu
2007-10-30 18:32 ` Jeff Garzik
0 siblings, 1 reply; 2+ messages in thread
From: Bryan Wu @ 2007-10-30 9:04 UTC (permalink / raw)
To: jeff, netdev; +Cc: linux-kernel, Michael Hennerich, Bryan Wu
From: Michael Hennerich <michael.hennerich@analog.com>
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>
---
drivers/net/bfin_mac.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 53fe7de..084acfd 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;
--
1.5.3.4
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2007-10-30 9:04 [PATCH 1/1] Blackfin EMAC driver: Fix Ethernet communication bug (dupliated and lost packets) Bryan Wu
2007-10-30 18:32 ` Jeff Garzik
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