tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
of/address: add empty static inlines for !CONFIG_OF
As the title says, this patch adds empty implementations for the address
translation functions so that they can be used when CONFIG_OF is disabled.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
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include/linux/of_address.h
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include/linux/of_address.h
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#include <linux/errno.h>
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#include <linux/of.h>
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#ifdef CONFIG_OF_ADDRESS
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extern u64 of_translate_address(struct device_node *np, const __be32 *addr);
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extern int of_address_to_resource(struct device_node *dev, int index,
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struct resource *r);
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#define pci_address_to_pio pci_address_to_pio
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#endif
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#ifdef CONFIG_PCI
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#else /* CONFIG_OF_ADDRESS */
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static inline int of_address_to_resource(struct device_node *dev, int index,
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struct resource *r)
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{
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return -EINVAL;
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}
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static inline struct device_node *of_find_matching_node_by_address(
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struct device_node *from,
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const struct of_device_id *matches,
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u64 base_address)
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{
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return NULL;
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}
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static inline void __iomem *of_iomap(struct device_node *device, int index)
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{
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return NULL;
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}
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static inline const u32 *of_get_address(struct device_node *dev, int index,
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u64 *size, unsigned int *flags)
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{
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return NULL;
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}
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#endif /* CONFIG_OF_ADDRESS */
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#if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI)
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extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no,
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u64 *size, unsigned int *flags);
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extern int of_pci_address_to_resource(struct device_node *dev, int bar,
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struct resource *r);
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#else /* CONFIG_PCI */
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#else /* CONFIG_OF_ADDRESS && CONFIG_PCI */
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static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
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struct resource *r)
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{
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{
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return NULL;
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}
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#endif /* CONFIG_PCI */
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#endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */
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#endif /* __OF_ADDRESS_H */
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