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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/of/of_private.h
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@@ -24,8 +24,16 @@
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 	const char *alias;
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 	struct device_node *np;
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 	int id;
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-	char stem[0];
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+	char stem[];
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 };
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+
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+#if defined(CONFIG_SPARC)
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+#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2
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+#else
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+#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
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+#endif
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+
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+#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
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 extern struct mutex of_mutex;
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 extern struct list_head aliases_lookup;
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@@ -76,15 +84,11 @@
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 int of_resolve_phandles(struct device_node *tree);
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 #endif
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-#if defined(CONFIG_OF_DYNAMIC)
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-void __of_free_phandle_cache_entry(phandle handle);
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-#endif
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+void __of_phandle_cache_inv_entry(phandle handle);
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 #if defined(CONFIG_OF_OVERLAY)
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 void of_overlay_mutex_lock(void);
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 void of_overlay_mutex_unlock(void);
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-int of_free_phandle_cache(void);
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-void of_populate_phandle_cache(void);
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 #else
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 static inline void of_overlay_mutex_lock(void) {};
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 static inline void of_overlay_mutex_unlock(void) {};
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@@ -150,4 +154,19 @@
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 #define for_each_transaction_entry_reverse(_oft, _te) \
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 	list_for_each_entry_reverse(_te, &(_oft)->te_list, node)
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+extern int of_bus_n_addr_cells(struct device_node *np);
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+extern int of_bus_n_size_cells(struct device_node *np);
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+
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+struct bus_dma_region;
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+#if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_HAS_DMA)
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+int of_dma_get_range(struct device_node *np,
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+		const struct bus_dma_region **map);
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+#else
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+static inline int of_dma_get_range(struct device_node *np,
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+		const struct bus_dma_region **map)
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+{
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+	return -ENODEV;
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+}
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+#endif
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+
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 #endif /* _LINUX_OF_PRIVATE_H */