From 22e1ba9f3645057586abc866ed0925bd28d5b8d2 Mon Sep 17 00:00:00 2001 From: Oleksij Rempel Date: Mon, 18 Sep 2017 18:41:45 +0200 Subject: net: ag71xx: disable eth interface on barebox shutdown If not disable, DMA RX engine will keep to write in to allocated memory area. As soon as some code or data of target OS will be placed to this area it will be overwritten by incoming network package. Signed-off-by: Oleksij Rempel Signed-off-by: Sascha Hauer --- drivers/net/ag71xx.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/net/ag71xx.c') diff --git a/drivers/net/ag71xx.c b/drivers/net/ag71xx.c index 54f0bd9aa5..1cec263600 100644 --- a/drivers/net/ag71xx.c +++ b/drivers/net/ag71xx.c @@ -578,6 +578,7 @@ static int ag71xx_probe(struct device_d *dev) priv = xzalloc(sizeof(struct ag71xx)); edev = &priv->netdev; miibus = &priv->miibus; + dev->priv = edev; edev->priv = priv; edev->init = ag71xx_ether_init; @@ -659,6 +660,13 @@ static int ag71xx_probe(struct device_d *dev) return 0; } +static void ag71xx_remove(struct device_d *dev) +{ + struct eth_device *edev = dev->priv; + + ag71xx_ether_halt(edev); +} + static __maybe_unused struct of_device_id ag71xx_dt_ids[] = { { .compatible = "qca,ar9331-ge0", .data = &ag71xx_cfg_ar9331_ge0, }, { .compatible = "qca,ar9344-gmac0", .data = &ag71xx_cfg_ar9344_gmac0, }, @@ -668,6 +676,7 @@ static __maybe_unused struct of_device_id ag71xx_dt_ids[] = { static struct driver_d ag71xx_driver = { .name = "ag71xx-gmac", .probe = ag71xx_probe, + .remove = ag71xx_remove, .of_compatible = DRV_OF_COMPAT(ag71xx_dt_ids), }; device_platform_driver(ag71xx_driver); -- cgit v1.2.3