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Message-ID: <d3197d9a411d7df511b8262c129da6f5d561c35e.1694701767.git.lorenzo@kernel.org> Date: Thu, 14 Sep 2023 16:38:09 +0200 From: Lorenzo Bianconi <lorenzo@...nel.org> To: netdev@...r.kernel.org Cc: lorenzo.bianconi@...hat.com, nbd@....name, john@...ozen.org, sean.wang@...iatek.com, Mark-MC.Lee@...iatek.com, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, daniel@...rotopia.org, linux-mediatek@...ts.infradead.org, sujuan.chen@...iatek.com, robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, devicetree@...r.kernel.org Subject: [PATCH net-next 04/15] net: ethernet: mtk_wed: introduce mtk_wed_wdma_get_desc_size utility routine This is a preliminary patch to introduce Wireless Ethernet Dispatcher support for MT7988 SoC. Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org> --- drivers/net/ethernet/mediatek/mtk_wed.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c index ce1ca98ea1d6..ac284b1e599f 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed.c +++ b/drivers/net/ethernet/mediatek/mtk_wed.c @@ -1245,11 +1245,20 @@ mtk_wed_ring_alloc(struct mtk_wed_device *dev, struct mtk_wed_ring *ring, return 0; } +static u32 +mtk_wed_wdma_get_desc_size(struct mtk_wed_hw *hw) +{ + if (mtk_wed_is_v1(hw)) + return sizeof(struct mtk_wdma_desc); + + return 2 * sizeof(struct mtk_wdma_desc); +} + static int 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; + u32 desc_size = mtk_wed_wdma_get_desc_size(dev->hw); struct mtk_wed_ring *wdma; if (idx >= ARRAY_SIZE(dev->rx_wdma)) @@ -1278,7 +1287,7 @@ static int mtk_wed_wdma_tx_ring_setup(struct mtk_wed_device *dev, int idx, int size, bool reset) { - u32 desc_size = sizeof(struct mtk_wdma_desc) * dev->hw->version; + u32 desc_size = mtk_wed_wdma_get_desc_size(dev->hw); struct mtk_wed_ring *wdma; if (idx >= ARRAY_SIZE(dev->tx_wdma)) -- 2.41.0
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