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authorRob Herring <rob.herring@calxeda.com>2013-09-07 14:07:11 -0500
committerRob Herring <rob.herring@calxeda.com>2013-10-09 20:04:06 -0500
commit25ff79443cbfa924b8df1d4a8a0fbff83816938a (patch)
treee7a9ac5cb39449b55d132c0838f7d866bc7d703c /drivers/of/address.c
parentba904f0649357a3cbd67e752d30898c42b1fc91a (diff)
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.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c
index b55c2189076..556a7fb6ead 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)