add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/net/ethernet/xilinx/ll_temac.h
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@@ -334,6 +334,9 @@
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 	/* Connection to PHY device */
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 	struct device_node *phy_node;
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+	/* For non-device-tree devices */
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+	char phy_name[MII_BUS_ID_SIZE + 3];
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+	phy_interface_t phy_interface;
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 	/* MDIO bus data */
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 	struct mii_bus *mii_bus;	/* MII bus reference */
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@@ -344,8 +347,10 @@
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 #ifdef CONFIG_PPC_DCR
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 	dcr_host_t sdma_dcrs;
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 #endif
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-	u32 (*dma_in)(struct temac_local *, int);
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-	void (*dma_out)(struct temac_local *, int, u32);
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+	u32 (*temac_ior)(struct temac_local *lp, int offset);
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+	void (*temac_iow)(struct temac_local *lp, int offset, u32 value);
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+	u32 (*dma_in)(struct temac_local *lp, int reg);
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+	void (*dma_out)(struct temac_local *lp, int reg, u32 value);
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 	int tx_irq;
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 	int rx_irq;
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@@ -353,7 +358,10 @@
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 	struct sk_buff **rx_skb;
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 	spinlock_t rx_lock;
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-	struct mutex indirect_mutex;
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+	/* For synchronization of indirect register access.  Must be
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+	 * shared mutex between interfaces in same TEMAC block.
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+	 */
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+	spinlock_t *indirect_lock;
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 	u32 options;			/* Current options word */
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 	int last_link;
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 	unsigned int temac_features;
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@@ -361,24 +369,37 @@
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 	/* Buffer descriptors */
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 	struct cdmac_bd *tx_bd_v;
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 	dma_addr_t tx_bd_p;
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+	u32 tx_bd_num;
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 	struct cdmac_bd *rx_bd_v;
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 	dma_addr_t rx_bd_p;
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+	u32 rx_bd_num;
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 	int tx_bd_ci;
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-	int tx_bd_next;
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 	int tx_bd_tail;
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 	int rx_bd_ci;
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+	int rx_bd_tail;
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+
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+	/* DMA channel control setup */
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+	u8 coalesce_count_tx;
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+	u8 coalesce_delay_tx;
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+	u8 coalesce_count_rx;
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+	u8 coalesce_delay_rx;
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+
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+	struct delayed_work restart_work;
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 };
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+/* Wrappers for temac_ior()/temac_iow() function pointers above */
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+#define temac_ior(lp, o) ((lp)->temac_ior(lp, o))
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+#define temac_iow(lp, o, v) ((lp)->temac_iow(lp, o, v))
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+
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 /* xilinx_temac.c */
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-u32 temac_ior(struct temac_local *lp, int offset);
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-void temac_iow(struct temac_local *lp, int offset, u32 value);
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 int temac_indirect_busywait(struct temac_local *lp);
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 u32 temac_indirect_in32(struct temac_local *lp, int reg);
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+u32 temac_indirect_in32_locked(struct temac_local *lp, int reg);
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 void temac_indirect_out32(struct temac_local *lp, int reg, u32 value);
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-
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+void temac_indirect_out32_locked(struct temac_local *lp, int reg, u32 value);
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 /* xilinx_temac_mdio.c */
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-int temac_mdio_setup(struct temac_local *lp, struct device_node *np);
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+int temac_mdio_setup(struct temac_local *lp, struct platform_device *pdev);
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 void temac_mdio_teardown(struct temac_local *lp);
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 #endif /* XILINX_LL_TEMAC_H */