This patch eliminates a lot of warnings like this on old kernels:
media_build/v4l/au8522_decoder.c:842: warning: data definition has no type or storage class
media_build/v4l/au8522_decoder.c:842: warning: type defaults to 'int' in declaration of 'module_i2c_driver'
media_build/v4l/au8522_decoder.c:842: warning: parameter names (without types) in function declaration
media_build/v4l/au8522_decoder.c:832: warning: 'au8522_driver' defined but not used
Tested with 2.6.32 and 3.3-rc6 without problems.
Signed-off-by: Gianluca Gennari <gennarone@xxxxxxxxx>
---
v4l/compat.h | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/v4l/compat.h b/v4l/compat.h
index 62710c9..acc105c 100644
--- a/v4l/compat.h
+++ b/v4l/compat.h
@@ -898,4 +898,24 @@ module_exit(plat_mod_exit);
#define DMA_MEM_TO_DEV DMA_TO_DEVICE
#endif
+#ifndef module_driver
+#define module_driver(__driver, __register, __unregister) \
+static int __init __driver##_init(void) \
+{ \
+ return __register(&(__driver)); \
+} \
+module_init(__driver##_init); \
+static void __exit __driver##_exit(void) \
+{ \
+ __unregister(&(__driver)); \
+} \
+module_exit(__driver##_exit);
+#endif
+
+#ifndef module_i2c_driver
+#define module_i2c_driver(__i2c_driver) \
+ module_driver(__i2c_driver, i2c_add_driver, \
+ i2c_del_driver)
+#endif
+
#endif /* _COMPAT_H */
--
1.7.0.4
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