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| author | Rob Herring <rob.herring@calxeda.com> | 2013-09-07 21:07:11 +0200 |
|---|---|---|
| committer | Rob Herring <rob.herring@calxeda.com> | 2013-10-10 03:04:06 +0200 |
| commit | 25ff79443cbfa924b8df1d4a8a0fbff83816938a (patch) | |
| tree | e7a9ac5cb39449b55d132c0838f7d866bc7d703c /drivers/of/address.c | |
| parent | x86: add necessary includes for prom.h (diff) | |
| download | linux-25ff79443cbfa924b8df1d4a8a0fbff83816938a.tar.xz linux-25ff79443cbfa924b8df1d4a8a0fbff83816938a.zip | |
of: implement pci_address_to_pio as weak function
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>
Diffstat (limited to 'drivers/of/address.c')
| -rw-r--r-- | drivers/of/address.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c index b55c21890760..556a7fb6ead3 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -626,6 +626,14 @@ const __be32 *of_get_address(struct device_node *dev, int index, u64 *size, } EXPORT_SYMBOL(of_get_address); +unsigned long __weak pci_address_to_pio(phys_addr_t address) +{ + if (address > IO_SPACE_LIMIT) + return (unsigned long)-1; + + return (unsigned long) address; +} + static int __of_address_to_resource(struct device_node *dev, const __be32 *addrp, u64 size, unsigned int flags, const char *name, struct resource *r) |