diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/729-14-v6.2-net-ethernet-mtk_wed-add-reset-to-tx_ring_setup-call.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/729-14-v6.2-net-ethernet-mtk_wed-add-reset-to-tx_ring_setup-call.patch | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/729-14-v6.2-net-ethernet-mtk_wed-add-reset-to-tx_ring_setup-call.patch b/target/linux/generic/backport-5.15/729-14-v6.2-net-ethernet-mtk_wed-add-reset-to-tx_ring_setup-call.patch new file mode 100644 index 0000000000..602483bcb8 --- /dev/null +++ b/target/linux/generic/backport-5.15/729-14-v6.2-net-ethernet-mtk_wed-add-reset-to-tx_ring_setup-call.patch @@ -0,0 +1,103 @@ +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Thu, 24 Nov 2022 16:22:55 +0100 +Subject: [PATCH] net: ethernet: mtk_wed: add reset to tx_ring_setup callback + +Introduce reset parameter to mtk_wed_tx_ring_setup signature. +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 +@@ -1188,7 +1188,8 @@ mtk_wed_ring_alloc(struct mtk_wed_device + } + + static int +-mtk_wed_wdma_rx_ring_setup(struct mtk_wed_device *dev, int idx, int size) ++mtk_wed_wdma_rx_ring_setup(struct mtk_wed_device *dev, int idx, int size, ++ bool reset) + { + u32 desc_size = sizeof(struct mtk_wdma_desc) * dev->hw->version; + struct mtk_wed_ring *wdma; +@@ -1197,8 +1198,8 @@ mtk_wed_wdma_rx_ring_setup(struct mtk_we + return -EINVAL; + + wdma = &dev->rx_wdma[idx]; +- if (mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE, desc_size, +- true)) ++ if (!reset && mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE, ++ desc_size, true)) + return -ENOMEM; + + wdma_w32(dev, MTK_WDMA_RING_RX(idx) + MTK_WED_RING_OFS_BASE, +@@ -1396,7 +1397,7 @@ mtk_wed_start(struct mtk_wed_device *dev + + for (i = 0; i < ARRAY_SIZE(dev->rx_wdma); i++) + if (!dev->rx_wdma[i].desc) +- mtk_wed_wdma_rx_ring_setup(dev, i, 16); ++ mtk_wed_wdma_rx_ring_setup(dev, i, 16, false); + + mtk_wed_hw_init(dev); + mtk_wed_configure_irq(dev, irq_mask); +@@ -1505,7 +1506,8 @@ unlock: + } + + static int +-mtk_wed_tx_ring_setup(struct mtk_wed_device *dev, int idx, void __iomem *regs) ++mtk_wed_tx_ring_setup(struct mtk_wed_device *dev, int idx, void __iomem *regs, ++ bool reset) + { + struct mtk_wed_ring *ring = &dev->tx_ring[idx]; + +@@ -1524,11 +1526,12 @@ mtk_wed_tx_ring_setup(struct mtk_wed_dev + if (WARN_ON(idx >= ARRAY_SIZE(dev->tx_ring))) + return -EINVAL; + +- if (mtk_wed_ring_alloc(dev, ring, MTK_WED_TX_RING_SIZE, +- sizeof(*ring->desc), true)) ++ if (!reset && mtk_wed_ring_alloc(dev, ring, MTK_WED_TX_RING_SIZE, ++ sizeof(*ring->desc), true)) + return -ENOMEM; + +- if (mtk_wed_wdma_rx_ring_setup(dev, idx, MTK_WED_WDMA_RING_SIZE)) ++ if (mtk_wed_wdma_rx_ring_setup(dev, idx, MTK_WED_WDMA_RING_SIZE, ++ reset)) + return -ENOMEM; + + ring->reg_base = MTK_WED_RING_TX(idx); +--- a/include/linux/soc/mediatek/mtk_wed.h ++++ b/include/linux/soc/mediatek/mtk_wed.h +@@ -158,7 +158,7 @@ struct mtk_wed_device { + struct mtk_wed_ops { + int (*attach)(struct mtk_wed_device *dev); + int (*tx_ring_setup)(struct mtk_wed_device *dev, int ring, +- void __iomem *regs); ++ void __iomem *regs, bool reset); + int (*rx_ring_setup)(struct mtk_wed_device *dev, int ring, + void __iomem *regs); + int (*txfree_ring_setup)(struct mtk_wed_device *dev, +@@ -216,8 +216,8 @@ mtk_wed_get_rx_capa(struct mtk_wed_devic + #define mtk_wed_device_active(_dev) !!(_dev)->ops + #define mtk_wed_device_detach(_dev) (_dev)->ops->detach(_dev) + #define mtk_wed_device_start(_dev, _mask) (_dev)->ops->start(_dev, _mask) +-#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs) \ +- (_dev)->ops->tx_ring_setup(_dev, _ring, _regs) ++#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) \ ++ (_dev)->ops->tx_ring_setup(_dev, _ring, _regs, _reset) + #define mtk_wed_device_txfree_ring_setup(_dev, _regs) \ + (_dev)->ops->txfree_ring_setup(_dev, _regs) + #define mtk_wed_device_reg_read(_dev, _reg) \ +@@ -243,7 +243,7 @@ static inline bool mtk_wed_device_active + } + #define mtk_wed_device_detach(_dev) do {} while (0) + #define mtk_wed_device_start(_dev, _mask) do {} while (0) +-#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs) -ENODEV ++#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) -ENODEV + #define mtk_wed_device_txfree_ring_setup(_dev, _ring, _regs) -ENODEV + #define mtk_wed_device_reg_read(_dev, _reg) 0 + #define mtk_wed_device_reg_write(_dev, _reg, _val) do {} while (0) |