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https://github.com/edk2-porting/linux-next.git
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22ae782f86
This patch moves the declaration of of_get_address(), of_get_pci_address(), and of_pci_address_to_resource() out of arch code and into the common linux/of_address header file. This patch also fixes some of the asm/prom.h ordering issues. It still includes some header files that it ideally shouldn't be, but at least the ordering is consistent now so that of_* overrides work. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
#ifndef __OF_ADDRESS_H
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#define __OF_ADDRESS_H
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#include <linux/ioport.h>
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#include <linux/of.h>
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extern u64 of_translate_address(struct device_node *np, const u32 *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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extern void __iomem *of_iomap(struct device_node *device, int index);
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/* Extract an address from a device, returns the region size and
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* the address space flags too. The PCI version uses a BAR number
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* instead of an absolute index
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*/
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extern const u32 *of_get_address(struct device_node *dev, int index,
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u64 *size, unsigned int *flags);
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#ifndef pci_address_to_pio
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static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
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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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extern const u32 *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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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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return -ENOSYS;
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}
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static inline const u32 *of_get_pci_address(struct device_node *dev,
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int bar_no, 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_PCI */
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#endif /* __OF_ADDRESS_H */
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