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of: implement pci_address_to_pio as weak function

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Implement pci_address_to_pio as weak function to remove the dependency on
asm/prom.h. This is in preparation to make prom.h optional.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Cc: Grant Likely <grant.likely@linaro.org>
This commit is contained in:
Rob Herring
2013-09-07 14:07:11 -05:00
parent ba904f0649
commit 25ff79443c
8 changed files with 9 additions and 43 deletions
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5
include/linux/of_address.h
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@@ -52,10 +52,7 @@ extern void __iomem *of_iomap(struct device_node *device, int index);
extern const __be32 *of_get_address(struct device_node *dev, int index,
u64 *size, unsigned int *flags);
#ifndef pci_address_to_pio
static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
#define pci_address_to_pio pci_address_to_pio
#endif
extern unsigned long pci_address_to_pio(phys_addr_t addr);
extern int of_pci_range_parser_init(struct of_pci_range_parser *parser,
struct device_node *node);