diff options
| -rw-r--r-- | target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c | 6 |
1 files changed, 6 insertions, 0 deletions
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 a57b6d46fc..9fd41527dd 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c @@ -454,6 +454,12 @@ 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); |