[source] ar71xx: fix ethernet driver fast reset issue causing tx timeouts

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/02a9a74d17a9ad041c6d5f8bcdd05ecb08a8abcc

commit 02a9a74d17a9ad041c6d5f8bcdd05ecb08a8abcc
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Sat Sep 3 13:46:18 2016 +0200

    ar71xx: fix ethernet driver fast reset issue causing tx timeouts
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 .../ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
index a610406..566e951 100644
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
@@ -527,6 +527,8 @@ static void ag71xx_fast_reset(struct ag71xx *ag)
 	mii_reg = ag71xx_rr(ag, AG71XX_REG_MII_CFG);
 	rx_ds = ag71xx_rr(ag, AG71XX_REG_RX_DESC);
 
+	ag71xx_tx_packets(ag, true);
+
 	ath79_device_reset_set(reset_mask);
 	udelay(10);
 	ath79_device_reset_clear(reset_mask);
@@ -534,7 +536,6 @@ static void ag71xx_fast_reset(struct ag71xx *ag)
 
 	ag71xx_dma_reset(ag);
 	ag71xx_hw_setup(ag);
-	ag71xx_tx_packets(ag, true);
 	ag->tx_ring.curr = 0;
 	ag->tx_ring.dirty = 0;
 	netdev_reset_queue(ag->dev);