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authorLuca Boccassi <luca.boccassi@gmail.com>2017-08-16 18:42:05 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2017-08-16 18:46:04 +0100
commitf239aed5e674965691846e8ce3f187dd47523689 (patch)
treea153a3125c6e183c73871a8ecaa4b285fed5fbd5 /drivers/net/cxgbe/cxgbe_compat.h
parentbf7567fd2a5b0b28ab724046143c24561d38d015 (diff)
New upstream version 17.08
Change-Id: I288b50990f52646089d6b1f3aaa6ba2f091a51d7 Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/net/cxgbe/cxgbe_compat.h')
-rw-r--r--drivers/net/cxgbe/cxgbe_compat.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/cxgbe/cxgbe_compat.h b/drivers/net/cxgbe/cxgbe_compat.h
index 1551cbf5..03bba9fe 100644
--- a/drivers/net/cxgbe/cxgbe_compat.h
+++ b/drivers/net/cxgbe/cxgbe_compat.h
@@ -1,7 +1,7 @@
/*-
* BSD LICENSE
*
- * Copyright(c) 2014-2015 Chelsio Communications.
+ * Copyright(c) 2014-2017 Chelsio Communications.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -226,6 +226,15 @@ static inline int cxgbe_fls(int x)
return x ? sizeof(x) * 8 - __builtin_clz(x) : 0;
}
+/**
+ * cxgbe_ffs - find first bit set
+ * @x: the word to search
+ */
+static inline int cxgbe_ffs(int x)
+{
+ return x ? __builtin_ffs(x) : 0;
+}
+
static inline unsigned long ilog2(unsigned long n)
{
unsigned int e = 0;