diff options
Diffstat (limited to 'target/linux/bcm4908/patches-5.10/077-v5.14-net-broadcom-bcm4908_enet-reset-DMA-rings-sw-indexes.patch')
-rw-r--r-- | target/linux/bcm4908/patches-5.10/077-v5.14-net-broadcom-bcm4908_enet-reset-DMA-rings-sw-indexes.patch | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/target/linux/bcm4908/patches-5.10/077-v5.14-net-broadcom-bcm4908_enet-reset-DMA-rings-sw-indexes.patch b/target/linux/bcm4908/patches-5.10/077-v5.14-net-broadcom-bcm4908_enet-reset-DMA-rings-sw-indexes.patch deleted file mode 100644 index 02290c8e64..0000000000 --- a/target/linux/bcm4908/patches-5.10/077-v5.14-net-broadcom-bcm4908_enet-reset-DMA-rings-sw-indexes.patch +++ /dev/null @@ -1,45 +0,0 @@ -From ddeacc4f6494e07cbb6f033627926623f3e7a9d0 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Tue, 22 Jun 2021 07:24:15 +0200 -Subject: [PATCH] net: broadcom: bcm4908_enet: reset DMA rings sw indexes - properly -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Resetting software indexes in bcm4908_dma_alloc_buf_descs() is not -enough as it's called during device probe only. Driver resets DMA on -every .ndo_open callback and it's required to reset indexes then. - -This fixes inconsistent rings state and stalled traffic after interface -down & up sequence. - -Fixes: 4feffeadbcb2 ("net: broadcom: bcm4908enet: add BCM4908 controller driver") -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/ethernet/broadcom/bcm4908_enet.c | 6 +++--- - 1 file changed, 3 insertions(+), 3 deletions(-) - ---- a/drivers/net/ethernet/broadcom/bcm4908_enet.c -+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c -@@ -174,9 +174,6 @@ static int bcm4908_dma_alloc_buf_descs(s - if (!ring->slots) - goto err_free_buf_descs; - -- ring->read_idx = 0; -- ring->write_idx = 0; -- - return 0; - - err_free_buf_descs: -@@ -303,6 +300,9 @@ static void bcm4908_enet_dma_ring_init(s - - enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_BASE_DESC_PTR, - (uint32_t)ring->dma_addr); -+ -+ ring->read_idx = 0; -+ ring->write_idx = 0; - } - - static void bcm4908_enet_dma_uninit(struct bcm4908_enet *enet) |