We are having build failure with linux-next for sparc allmodconfig with
the error messages:
undefined reference to 'of_io_request_and_map'
CONFIG_OF is defined for sparc so it is expected that we have a
definition of of_io_request_and_map() but of/address.c is only compiled
if it is !SPARC. In other words, CONFIG_OF_ADDRESS is not defined for
sparc so we get the build failure.
Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
---
include/linux/of_address.h | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/include/linux/of_address.h b/include/linux/of_address.h
index 507daad..e48bf9a 100644
--- a/include/linux/of_address.h
+++ b/include/linux/of_address.h
@@ -112,8 +112,6 @@ static inline bool of_dma_is_coherent(struct device_node *np)
extern int of_address_to_resource(struct device_node *dev, int index,
struct resource *r);
void __iomem *of_iomap(struct device_node *node, int index);
-void __iomem *of_io_request_and_map(struct device_node *device,
- int index, const char *name);
#else
#include <linux/io.h>
@@ -136,6 +134,19 @@ static inline void __iomem *of_io_request_and_map(struct device_node *device,
}
#endif
+#ifdef CONFIG_OF_ADDRESS
+void __iomem *of_io_request_and_map(struct device_node *device,
+ int index, const char *name);
+#else
+#include <linux/io.h>
+
+static inline void __iomem *of_io_request_and_map(struct device_node *device,
+ int index, const char *name)
+{
+ return IOMEM_ERR_PTR(-EINVAL);
+}
+#endif /* CONFIG_OF_ADDRESS */
+
#if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI)
extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no,
u64 *size, unsigned int *flags);
--
1.9.1
--
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