diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.4/0074-net-mediatek-fix-mtk_pending_work.patch')
-rw-r--r-- | target/linux/mediatek/patches-4.4/0074-net-mediatek-fix-mtk_pending_work.patch | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/target/linux/mediatek/patches-4.4/0074-net-mediatek-fix-mtk_pending_work.patch b/target/linux/mediatek/patches-4.4/0074-net-mediatek-fix-mtk_pending_work.patch deleted file mode 100644 index 1a2ce6f873..0000000000 --- a/target/linux/mediatek/patches-4.4/0074-net-mediatek-fix-mtk_pending_work.patch +++ /dev/null @@ -1,63 +0,0 @@ -From 300ca8c6b5dcee2593f22d5bf8f13bb4da8c19c5 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Tue, 29 Mar 2016 17:00:47 +0200 -Subject: [PATCH 74/91] net: mediatek: fix mtk_pending_work - -The driver supports 2 MACs. Both run on the same DMA ring. If we hit a TX -timeout we need to stop both netdevs before retarting them again. If we -dont do thsi, mtk_stop() wont shutdown DMA and the consecutive call to -mtk_open() wont restart DMA and enable IRQs. - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 30 +++++++++++++++++++-------- - 1 file changed, 21 insertions(+), 9 deletions(-) - -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 04bdb9d..26eeb1a 100644 ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -1430,19 +1430,31 @@ static int mtk_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - - static void mtk_pending_work(struct work_struct *work) - { -- struct mtk_mac *mac = container_of(work, struct mtk_mac, pending_work); -- struct mtk_eth *eth = mac->hw; -- struct net_device *dev = eth->netdev[mac->id]; -- int err; -+ struct mtk_eth *eth = container_of(work, struct mtk_eth, pending_work); -+ int err, i; -+ unsigned long restart = 0; - - rtnl_lock(); -- mtk_stop(dev); - -- err = mtk_open(dev); -- if (err) { -- netif_alert(eth, ifup, dev, -+ /* stop all devices to make sure that dma is properly shut down */ -+ for (i = 0; i < MTK_MAC_COUNT; i++) { -+ if (!netif_oper_up(eth->netdev[i])) -+ continue; -+ mtk_stop(eth->netdev[i]); -+ __set_bit(i, &restart); -+ } -+ -+ -+ /* restart DMA and enable IRQs */ -+ for (i = 0; i < MTK_MAC_COUNT; i++) { -+ if (!test_bit(i, &restart)) -+ continue; -+ err = mtk_open(eth->netdev[i]); -+ if (err) { -+ netif_alert(eth, ifup, eth->netdev[i], - "Driver up/down cycle failed, closing device.\n"); -- dev_close(dev); -+ dev_close(eth->netdev[i]); -+ } - } - rtnl_unlock(); - } --- -1.7.10.4 - |