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authorAlan Cox <alan@linux.intel.com>2010-11-24 19:33:43 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2010-11-29 11:17:22 -0800
commit62a8c3a32e4143812ed8e0f3783ef1ea40dc87e4 (patch)
tree8b6e78234c767b615bfc58523089c1e951c6f0ab /include
parentde92e3a3b25dd0cda00a07b30c325785b5c2d939 (diff)
Staging: sep: handle the rar definition stuff in the header
SEP isn't the only driver that may need to handle both cases easily Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/rar_register.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/rar_register.h b/include/linux/rar_register.h
index ffa805780f85..5c6118189363 100644
--- a/include/linux/rar_register.h
+++ b/include/linux/rar_register.h
@@ -34,11 +34,27 @@
struct rar_device;
+#if defined(CONFIG_RAR_REGISTER)
int register_rar(int num,
int (*callback)(unsigned long data), unsigned long data);
void unregister_rar(int num);
int rar_get_address(int rar_index, dma_addr_t *start, dma_addr_t *end);
int rar_lock(int rar_index);
+#else
+extern void unregister_rar(int num) { }
+extern int rar_lock(int rar_index) { return -EIO; }
+
+extern inline int register_rar(int num,
+ int (*callback)(unsigned long data), unsigned long data)
+{
+ return -ENODEV;
+}
+
+extern int rar_get_address(int rar_index, dma_addr_t *start, dma_addr_t *end)
+{
+ return -ENODEV;
+}
+#endif /* RAR_REGISTER */
#endif /* __KERNEL__ */
#endif /* _RAR_REGISTER_H */