From 9fddfe21d274d5973f16e6636e63854d53ed6b90 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 4 Jul 2010 02:20:05 +0000 Subject: [PATCH] ar71xx: merge ethernet driver fixes from r22054, r22055 SVN-Revision: 22056 --- .../linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c index 8d61294beb..54a6005b59 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c @@ -435,6 +435,12 @@ static void ag71xx_dma_reset(struct ag71xx *ag) ag71xx_wr(ag, AG71XX_REG_RX_CTRL, 0); ag71xx_wr(ag, AG71XX_REG_TX_CTRL, 0); + /* + * give the hardware some time to really stop all rx/tx activity + * clearing the descriptors too early causes random memory corruption + */ + mdelay(1); + /* clear descriptor addresses */ ag71xx_wr(ag, AG71XX_REG_TX_DESC, 0); ag71xx_wr(ag, AG71XX_REG_RX_DESC, 0); @@ -554,6 +560,8 @@ static int ag71xx_open(struct net_device *dev) if (ret) goto err; + ag71xx_hw_init(ag); + napi_enable(&ag->napi); netif_carrier_off(dev); -- 2.30.2