diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/729-10-v6.2-net-ethernet-mtk_wed-return-status-value-in-mtk_wdma.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/729-10-v6.2-net-ethernet-mtk_wed-return-status-value-in-mtk_wdma.patch | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/729-10-v6.2-net-ethernet-mtk_wed-return-status-value-in-mtk_wdma.patch b/target/linux/generic/backport-5.15/729-10-v6.2-net-ethernet-mtk_wed-return-status-value-in-mtk_wdma.patch new file mode 100644 index 0000000000..d97bb715e0 --- /dev/null +++ b/target/linux/generic/backport-5.15/729-10-v6.2-net-ethernet-mtk_wed-return-status-value-in-mtk_wdma.patch @@ -0,0 +1,85 @@ +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Thu, 24 Nov 2022 16:22:51 +0100 +Subject: [PATCH] net: ethernet: mtk_wed: return status value in + mtk_wdma_rx_reset + +Move MTK_WDMA_RESET_IDX configuration in mtk_wdma_rx_reset routine. +Increase poll timeout to 10ms in order to be aligned with vendor sdk. +This is a preliminary patch to add Wireless Ethernet Dispatcher reset +support. + +Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com> +Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com> +Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> +Signed-off-by: Paolo Abeni <pabeni@redhat.com> +--- + +--- a/drivers/net/ethernet/mediatek/mtk_wed.c ++++ b/drivers/net/ethernet/mediatek/mtk_wed.c +@@ -101,17 +101,21 @@ mtk_wdma_read_reset(struct mtk_wed_devic + return wdma_r32(dev, MTK_WDMA_GLO_CFG); + } + +-static void ++static int + mtk_wdma_rx_reset(struct mtk_wed_device *dev) + { + u32 status, mask = MTK_WDMA_GLO_CFG_RX_DMA_BUSY; +- int i; ++ int i, ret; + + wdma_clr(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_RX_DMA_EN); +- if (readx_poll_timeout(mtk_wdma_read_reset, dev, status, +- !(status & mask), 0, 1000)) ++ ret = readx_poll_timeout(mtk_wdma_read_reset, dev, status, ++ !(status & mask), 0, 10000); ++ if (ret) + dev_err(dev->hw->dev, "rx reset failed\n"); + ++ wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_RX); ++ wdma_w32(dev, MTK_WDMA_RESET_IDX, 0); ++ + for (i = 0; i < ARRAY_SIZE(dev->rx_wdma); i++) { + if (dev->rx_wdma[i].desc) + continue; +@@ -119,6 +123,8 @@ mtk_wdma_rx_reset(struct mtk_wed_device + wdma_w32(dev, + MTK_WDMA_RING_RX(i) + MTK_WED_RING_OFS_CPU_IDX, 0); + } ++ ++ return ret; + } + + static void +@@ -565,9 +571,7 @@ mtk_wed_detach(struct mtk_wed_device *de + + mtk_wed_stop(dev); + +- wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_RX); +- wdma_w32(dev, MTK_WDMA_RESET_IDX, 0); +- ++ mtk_wdma_rx_reset(dev); + mtk_wed_reset(dev, MTK_WED_RESET_WED); + if (mtk_wed_get_rx_capa(dev)) { + wdma_clr(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_TX_DMA_EN); +@@ -582,7 +586,6 @@ mtk_wed_detach(struct mtk_wed_device *de + mtk_wed_wo_reset(dev); + mtk_wed_free_rx_rings(dev); + mtk_wed_wo_deinit(hw); +- mtk_wdma_rx_reset(dev); + } + + if (dev->wlan.bus_type == MTK_WED_BUS_PCIE) { +@@ -1006,11 +1009,7 @@ mtk_wed_reset_dma(struct mtk_wed_device + wed_w32(dev, MTK_WED_RESET_IDX, 0); + } + +- wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_RX); +- wdma_w32(dev, MTK_WDMA_RESET_IDX, 0); +- +- if (mtk_wed_get_rx_capa(dev)) +- mtk_wdma_rx_reset(dev); ++ mtk_wdma_rx_reset(dev); + + if (busy) { + mtk_wed_reset(dev, MTK_WED_RESET_WDMA_INT_AGENT); |