svn commit: r300506 - head/sys/compat/linuxkpi/common/include/linux

[Hans Petter Selasky]

Author: hselasky
Date: Mon May 23 13:18:15 2016
New Revision: 300506
URL: https://svnweb.freebsd.org/changeset/base/300506

Log:
  Fix some data types and add "inline" keyword for __reg_op() function.
  
  Obtained from:	kmacy @
  MFC after:	1 week
  Sponsored by:	Mellanox Technologies

Modified:
  head/sys/compat/linuxkpi/common/include/linux/bitops.h

Modified: head/sys/compat/linuxkpi/common/include/linux/bitops.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/bitops.h	Mon May 23 13:17:37 2016	(r300505)
+++ head/sys/compat/linuxkpi/common/include/linux/bitops.h	Mon May 23 13:18:15 2016	(r300506)
@@ -93,7 +93,7 @@ static inline int get_count_order(unsign
 }
 
 static inline unsigned long
-find_first_bit(unsigned long *addr, unsigned long size)
+find_first_bit(const unsigned long *addr, unsigned long size)
 {
 	long mask;
 	int bit;
@@ -115,7 +115,7 @@ find_first_bit(unsigned long *addr, unsi
 }
 
 static inline unsigned long
-find_first_zero_bit(unsigned long *addr, unsigned long size)
+find_first_zero_bit(const unsigned long *addr, unsigned long size)
 {
 	long mask;
 	int bit;
@@ -137,7 +137,7 @@ find_first_zero_bit(unsigned long *addr,
 }
 
 static inline unsigned long
-find_last_bit(unsigned long *addr, unsigned long size)
+find_last_bit(const unsigned long *addr, unsigned long size)
 {
 	long mask;
 	int offs;
@@ -163,7 +163,7 @@ find_last_bit(unsigned long *addr, unsig
 }
 
 static inline unsigned long
-find_next_bit(unsigned long *addr, unsigned long size, unsigned long offset)
+find_next_bit(const unsigned long *addr, unsigned long size, unsigned long offset)
 {
 	long mask;
 	int offs;
@@ -202,7 +202,7 @@ find_next_bit(unsigned long *addr, unsig
 }
 
 static inline unsigned long
-find_next_zero_bit(unsigned long *addr, unsigned long size,
+find_next_zero_bit(const unsigned long *addr, unsigned long size,
     unsigned long offset)
 {
 	long mask;
@@ -306,23 +306,23 @@ bitmap_empty(unsigned long *addr, int si
 }
 
 #define	__set_bit(i, a)							\
-    atomic_set_long(&((volatile long *)(a))[BIT_WORD(i)], BIT_MASK(i))
+    atomic_set_long(&((volatile unsigned long *)(a))[BIT_WORD(i)], BIT_MASK(i))
 
 #define	set_bit(i, a)							\
-    atomic_set_long(&((volatile long *)(a))[BIT_WORD(i)], BIT_MASK(i))
+    atomic_set_long(&((volatile unsigned long *)(a))[BIT_WORD(i)], BIT_MASK(i))
 
 #define	__clear_bit(i, a)						\
-    atomic_clear_long(&((volatile long *)(a))[BIT_WORD(i)], BIT_MASK(i))
+    atomic_clear_long(&((volatile unsigned long *)(a))[BIT_WORD(i)], BIT_MASK(i))
 
 #define	clear_bit(i, a)							\
-    atomic_clear_long(&((volatile long *)(a))[BIT_WORD(i)], BIT_MASK(i))
+    atomic_clear_long(&((volatile unsigned long *)(a))[BIT_WORD(i)], BIT_MASK(i))
 
 #define	test_bit(i, a)							\
-    !!(atomic_load_acq_long(&((volatile long *)(a))[BIT_WORD(i)]) &	\
+    !!(atomic_load_acq_long(&((volatile unsigned long *)(a))[BIT_WORD(i)]) &	\
     BIT_MASK(i))
 
-static inline long
-test_and_clear_bit(long bit, long *var)
+static inline int
+test_and_clear_bit(long bit, volatile unsigned long *var)
 {
 	long val;
 
@@ -330,14 +330,14 @@ test_and_clear_bit(long bit, long *var)
 	bit %= BITS_PER_LONG;
 	bit = (1UL << bit);
 	do {
-		val = *(volatile long *)var;
+		val = *var;
 	} while (atomic_cmpset_long(var, val, val & ~bit) == 0);
 
 	return !!(val & bit);
 }
 
-static inline long
-test_and_set_bit(long bit, long *var)
+static inline int
+test_and_set_bit(long bit, volatile unsigned long *var)
 {
 	long val;
 
@@ -345,7 +345,7 @@ test_and_set_bit(long bit, long *var)
 	bit %= BITS_PER_LONG;
 	bit = (1UL << bit);
 	do {
-		val = *(volatile long *)var;
+		val = *var;
 	} while (atomic_cmpset_long(var, val, val | bit) == 0);
 
 	return !!(val & bit);
@@ -399,7 +399,8 @@ enum {
         REG_OP_RELEASE,
 };
 
-static int __reg_op(unsigned long *bitmap, int pos, int order, int reg_op)
+static inline int
+__reg_op(unsigned long *bitmap, int pos, int order, int reg_op)
 {
         int nbits_reg;
         int index;