From: Johan Hovold <johan@hovoldconsulting.com>
Date: Thu, 16 Jul 2015 09:44:01 +0000 (+0200)
Subject: greybus: kernel_ver: add list_last_entry for old kernels
X-Git-Tag: v4.9-rc1~119^2~378^2~21^2~1368
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=93047af23c8389d1a63883dcb59cd8c2fd472b45;p=karo-tx-linux.git

greybus: kernel_ver: add list_last_entry for old kernels

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>
---

diff --git a/drivers/staging/greybus/kernel_ver.h b/drivers/staging/greybus/kernel_ver.h
index 4fb949ba9b51..c2e92df9f417 100644
--- a/drivers/staging/greybus/kernel_ver.h
+++ b/drivers/staging/greybus/kernel_ver.h
@@ -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 */