104 lines
4.0 KiB
Diff
104 lines
4.0 KiB
Diff
From: Lorenzo Bianconi <lorenzo@kernel.org>
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Date: Thu, 24 Nov 2022 16:22:55 +0100
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Subject: [PATCH] net: ethernet: mtk_wed: add reset to tx_ring_setup callback
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Introduce reset parameter to mtk_wed_tx_ring_setup signature.
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This is a preliminary patch to add Wireless Ethernet Dispatcher reset
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support.
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Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
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Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_wed.c
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+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
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@@ -1181,7 +1181,8 @@ mtk_wed_ring_alloc(struct mtk_wed_device
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}
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static int
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-mtk_wed_wdma_rx_ring_setup(struct mtk_wed_device *dev, int idx, int size)
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+mtk_wed_wdma_rx_ring_setup(struct mtk_wed_device *dev, int idx, int size,
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+ bool reset)
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{
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u32 desc_size = sizeof(struct mtk_wdma_desc) * dev->hw->version;
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struct mtk_wed_ring *wdma;
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@@ -1190,8 +1191,8 @@ mtk_wed_wdma_rx_ring_setup(struct mtk_we
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return -EINVAL;
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wdma = &dev->rx_wdma[idx];
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- if (mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE, desc_size,
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- true))
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+ if (!reset && mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE,
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+ desc_size, true))
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return -ENOMEM;
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wdma_w32(dev, MTK_WDMA_RING_RX(idx) + MTK_WED_RING_OFS_BASE,
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@@ -1389,7 +1390,7 @@ mtk_wed_start(struct mtk_wed_device *dev
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for (i = 0; i < ARRAY_SIZE(dev->rx_wdma); i++)
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if (!dev->rx_wdma[i].desc)
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- mtk_wed_wdma_rx_ring_setup(dev, i, 16);
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+ mtk_wed_wdma_rx_ring_setup(dev, i, 16, false);
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mtk_wed_hw_init(dev);
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mtk_wed_configure_irq(dev, irq_mask);
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@@ -1498,7 +1499,8 @@ unlock:
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}
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static int
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-mtk_wed_tx_ring_setup(struct mtk_wed_device *dev, int idx, void __iomem *regs)
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+mtk_wed_tx_ring_setup(struct mtk_wed_device *dev, int idx, void __iomem *regs,
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+ bool reset)
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{
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struct mtk_wed_ring *ring = &dev->tx_ring[idx];
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@@ -1517,11 +1519,12 @@ mtk_wed_tx_ring_setup(struct mtk_wed_dev
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if (WARN_ON(idx >= ARRAY_SIZE(dev->tx_ring)))
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return -EINVAL;
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- if (mtk_wed_ring_alloc(dev, ring, MTK_WED_TX_RING_SIZE,
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- sizeof(*ring->desc), true))
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+ if (!reset && mtk_wed_ring_alloc(dev, ring, MTK_WED_TX_RING_SIZE,
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+ sizeof(*ring->desc), true))
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return -ENOMEM;
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- if (mtk_wed_wdma_rx_ring_setup(dev, idx, MTK_WED_WDMA_RING_SIZE))
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+ if (mtk_wed_wdma_rx_ring_setup(dev, idx, MTK_WED_WDMA_RING_SIZE,
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+ reset))
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return -ENOMEM;
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ring->reg_base = MTK_WED_RING_TX(idx);
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--- a/include/linux/soc/mediatek/mtk_wed.h
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+++ b/include/linux/soc/mediatek/mtk_wed.h
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@@ -158,7 +158,7 @@ struct mtk_wed_device {
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struct mtk_wed_ops {
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int (*attach)(struct mtk_wed_device *dev);
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int (*tx_ring_setup)(struct mtk_wed_device *dev, int ring,
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- void __iomem *regs);
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+ void __iomem *regs, bool reset);
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int (*rx_ring_setup)(struct mtk_wed_device *dev, int ring,
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void __iomem *regs);
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int (*txfree_ring_setup)(struct mtk_wed_device *dev,
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@@ -216,8 +216,8 @@ mtk_wed_get_rx_capa(struct mtk_wed_devic
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#define mtk_wed_device_active(_dev) !!(_dev)->ops
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#define mtk_wed_device_detach(_dev) (_dev)->ops->detach(_dev)
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#define mtk_wed_device_start(_dev, _mask) (_dev)->ops->start(_dev, _mask)
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-#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs) \
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- (_dev)->ops->tx_ring_setup(_dev, _ring, _regs)
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+#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) \
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+ (_dev)->ops->tx_ring_setup(_dev, _ring, _regs, _reset)
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#define mtk_wed_device_txfree_ring_setup(_dev, _regs) \
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(_dev)->ops->txfree_ring_setup(_dev, _regs)
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#define mtk_wed_device_reg_read(_dev, _reg) \
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@@ -243,7 +243,7 @@ static inline bool mtk_wed_device_active
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}
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#define mtk_wed_device_detach(_dev) do {} while (0)
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#define mtk_wed_device_start(_dev, _mask) do {} while (0)
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-#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs) -ENODEV
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+#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) -ENODEV
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#define mtk_wed_device_txfree_ring_setup(_dev, _ring, _regs) -ENODEV
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#define mtk_wed_device_reg_read(_dev, _reg) 0
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#define mtk_wed_device_reg_write(_dev, _reg, _val) do {} while (0)
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