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greybus: kernel_ver: add list_last_entry for old kernels

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Add list_last_entry macro for kernels older than 3.13.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold 2015-07-16 11:44:01 +02:00 committed by Greg Kroah-Hartman
parent 129a06f541
commit 93047af23c
1 changed files with 5 additions and 0 deletions
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5
drivers/staging/greybus/kernel_ver.h
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@ -235,4 +235,9 @@ static inline size_t sg_pcopy_from_buffer(struct scatterlist *sgl,
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
#define list_last_entry(ptr, type, member) \
list_entry((ptr)->prev, type, member)
#endif
#endif /* __GREYBUS_KERNEL_VER_H */