From 62a8c3a32e4143812ed8e0f3783ef1ea40dc87e4 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 24 Nov 2010 19:33:43 +0000 Subject: 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 Signed-off-by: Greg Kroah-Hartman --- include/linux/rar_register.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'include/linux/rar_register.h') diff --git a/include/linux/rar_register.h b/include/linux/rar_register.h index ffa805780f8..5c611818936 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 */ -- cgit v1.2.3-70-g09d2