MIPS: bitops: Use the BIT() macro

Use the BIT() macro in asm/bitops.h rather than open-coding its
equivalent.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: linux-kernel@vger.kernel.org

diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
index 7314ba5..0f8ff89 100644 (file)
--- a/arch/mips/include/asm/bitops.h
+++ b/arch/mips/include/asm/bitops.h
@@ -13,6 +13,7 @@
 #error only <linux/bitops.h> can be included directly
 #endif
 
+#include <linux/bits.h>
 #include <linux/compiler.h>
 #include <linux/types.h>
 #include <asm/barrier.h>
@@ -70,7 +71,7 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
                "       beqzl   %0, 1b                                  \n"
                "       .set    pop                                     \n"
                : "=&r" (temp), "=" GCC_OFF_SMALL_ASM() (*m)
-               : "ir" (1UL << bit), GCC_OFF_SMALL_ASM() (*m)
+               : "ir" (BIT(bit)), GCC_OFF_SMALL_ASM() (*m)
                : __LLSC_CLOBBER);
                return;
        }
@@ -99,7 +100,7 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
                "       " __SC  "%0, %1                         \n"
                "       .set    pop                             \n"
                : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m)
-               : "ir" (1UL << bit)
+               : "ir" (BIT(bit))
                : __LLSC_CLOBBER);
        } while (unlikely(!temp));
 }
@@ -135,7 +136,7 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
                "       beqzl   %0, 1b                                  \n"
                "       .set    pop                                     \n"
                : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m)
-               : "ir" (~(1UL << bit))
+               : "ir" (~(BIT(bit)))
                : __LLSC_CLOBBER);
                return;
        }
@@ -164,7 +165,7 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
                "       " __SC "%0, %1                          \n"
                "       .set    pop                             \n"
                : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m)
-               : "ir" (~(1UL << bit))
+               : "ir" (~(BIT(bit)))
                : __LLSC_CLOBBER);
        } while (unlikely(!temp));
 }
@@ -213,7 +214,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
                "       beqzl   %0, 1b                          \n"
                "       .set    pop                             \n"
                : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m)
-               : "ir" (1UL << bit)
+               : "ir" (BIT(bit))
                : __LLSC_CLOBBER);
                return;
        }
@@ -228,7 +229,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
                "       " __SC  "%0, %1                         \n"
                "       .set    pop                             \n"
                : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m)
-               : "ir" (1UL << bit)
+               : "ir" (BIT(bit))
                : __LLSC_CLOBBER);
        } while (unlikely(!temp));
 }
@@ -261,7 +262,7 @@ static inline int test_and_set_bit_lock(unsigned long nr,
                "       and     %2, %0, %3                              \n"
                "       .set    pop                                     \n"
                : "=&r" (temp), "+m" (*m), "=&r" (res)
-               : "ir" (1UL << bit)
+               : "ir" (BIT(bit))
                : __LLSC_CLOBBER);
        } else {
                loongson_llsc_mb();
@@ -274,11 +275,11 @@ static inline int test_and_set_bit_lock(unsigned long nr,
                        "       " __SC  "%2, %1                         \n"
                        "       .set    pop                             \n"
                        : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
-                       : "ir" (1UL << bit)
+                       : "ir" (BIT(bit))
                        : __LLSC_CLOBBER);
                } while (unlikely(!res));
 
-               res = temp & (1UL << bit);
+               res = temp & BIT(bit);
        }
 
        smp_llsc_mb();
@@ -332,7 +333,7 @@ static inline int test_and_clear_bit(unsigned long nr,
                "       and     %2, %0, %3                              \n"
                "       .set    pop                                     \n"
                : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
-               : "ir" (1UL << bit)
+               : "ir" (BIT(bit))
                : __LLSC_CLOBBER);
        } else if ((MIPS_ISA_REV >= 2) && __builtin_constant_p(nr)) {
                loongson_llsc_mb();
@@ -358,11 +359,11 @@ static inline int test_and_clear_bit(unsigned long nr,
                        "       " __SC  "%2, %1                         \n"
                        "       .set    pop                             \n"
                        : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
-                       : "ir" (1UL << bit)
+                       : "ir" (BIT(bit))
                        : __LLSC_CLOBBER);
                } while (unlikely(!res));
 
-               res = temp & (1UL << bit);
+               res = temp & BIT(bit);
        }
 
        smp_llsc_mb();
@@ -400,7 +401,7 @@ static inline int test_and_change_bit(unsigned long nr,
                "       and     %2, %0, %3                              \n"
                "       .set    pop                                     \n"
                : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
-               : "ir" (1UL << bit)
+               : "ir" (BIT(bit))
                : __LLSC_CLOBBER);
        } else {
                loongson_llsc_mb();
@@ -413,11 +414,11 @@ static inline int test_and_change_bit(unsigned long nr,
                        "       " __SC  "\t%2, %1                       \n"
                        "       .set    pop                             \n"
                        : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
-                       : "ir" (1UL << bit)
+                       : "ir" (BIT(bit))
                        : __LLSC_CLOBBER);
                } while (unlikely(!res));
 
-               res = temp & (1UL << bit);
+               res = temp & BIT(bit);
        }
 
        smp_llsc_mb();