diff options
Diffstat (limited to 'arch/mips/include/asm/octeon/cvmx-spinlock.h')
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-spinlock.h | 78 |
1 files changed, 39 insertions, 39 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx-spinlock.h b/arch/mips/include/asm/octeon/cvmx-spinlock.h index a672abb1bc4f..4f09cff8b8c0 100644 --- a/arch/mips/include/asm/octeon/cvmx-spinlock.h +++ b/arch/mips/include/asm/octeon/cvmx-spinlock.h @@ -26,7 +26,7 @@ ***********************license end**************************************/ /** - * Implementation of spinlocks for Octeon CVMX. Although similar in + * Implementation of spinlocks for Octeon CVMX. Although similar in * function to Linux kernel spinlocks, they are not compatible. * Octeon CVMX spinlocks are only used to synchronize with the boot * monitor and other non-Linux programs running in the system. @@ -50,8 +50,8 @@ typedef struct { } cvmx_spinlock_t; /* note - macros not expanded in inline ASM, so values hardcoded */ -#define CVMX_SPINLOCK_UNLOCKED_VAL 0 -#define CVMX_SPINLOCK_LOCKED_VAL 1 +#define CVMX_SPINLOCK_UNLOCKED_VAL 0 +#define CVMX_SPINLOCK_LOCKED_VAL 1 #define CVMX_SPINLOCK_UNLOCKED_INITIALIZER {CVMX_SPINLOCK_UNLOCKED_VAL} @@ -96,7 +96,7 @@ static inline void cvmx_spinlock_unlock(cvmx_spinlock_t *lock) * @lock: pointer to lock structure * * Returns 0: lock successfully taken - * 1: lock not taken, held by someone else + * 1: lock not taken, held by someone else * These return values match the Linux semantics. */ @@ -104,16 +104,16 @@ static inline unsigned int cvmx_spinlock_trylock(cvmx_spinlock_t *lock) { unsigned int tmp; - __asm__ __volatile__(".set noreorder \n" + __asm__ __volatile__(".set noreorder \n" "1: ll %[tmp], %[val] \n" /* if lock held, fail immediately */ - " bnez %[tmp], 2f \n" - " li %[tmp], 1 \n" - " sc %[tmp], %[val] \n" - " beqz %[tmp], 1b \n" - " li %[tmp], 0 \n" - "2: \n" - ".set reorder \n" : + " bnez %[tmp], 2f \n" + " li %[tmp], 1 \n" + " sc %[tmp], %[val] \n" + " beqz %[tmp], 1b \n" + " li %[tmp], 0 \n" + "2: \n" + ".set reorder \n" : [val] "+m"(lock->value), [tmp] "=&r"(tmp) : : "memory"); @@ -129,14 +129,14 @@ static inline void cvmx_spinlock_lock(cvmx_spinlock_t *lock) { unsigned int tmp; - __asm__ __volatile__(".set noreorder \n" + __asm__ __volatile__(".set noreorder \n" "1: ll %[tmp], %[val] \n" - " bnez %[tmp], 1b \n" - " li %[tmp], 1 \n" - " sc %[tmp], %[val] \n" - " beqz %[tmp], 1b \n" - " nop \n" - ".set reorder \n" : + " bnez %[tmp], 1b \n" + " li %[tmp], 1 \n" + " sc %[tmp], %[val] \n" + " beqz %[tmp], 1b \n" + " nop \n" + ".set reorder \n" : [val] "+m"(lock->value), [tmp] "=&r"(tmp) : : "memory"); @@ -163,17 +163,17 @@ static inline void cvmx_spinlock_bit_lock(uint32_t *word) unsigned int tmp; unsigned int sav; - __asm__ __volatile__(".set noreorder \n" - ".set noat \n" + __asm__ __volatile__(".set noreorder \n" + ".set noat \n" "1: ll %[tmp], %[val] \n" - " bbit1 %[tmp], 31, 1b \n" - " li $at, 1 \n" - " ins %[tmp], $at, 31, 1 \n" - " sc %[tmp], %[val] \n" - " beqz %[tmp], 1b \n" - " nop \n" - ".set at \n" - ".set reorder \n" : + " bbit1 %[tmp], 31, 1b \n" + " li $at, 1 \n" + " ins %[tmp], $at, 31, 1 \n" + " sc %[tmp], %[val] \n" + " beqz %[tmp], 1b \n" + " nop \n" + ".set at \n" + ".set reorder \n" : [val] "+m"(*word), [tmp] "=&r"(tmp), [sav] "=&r"(sav) : : "memory"); @@ -187,7 +187,7 @@ static inline void cvmx_spinlock_bit_lock(uint32_t *word) * * @word: word to lock bit 31 of * Returns 0: lock successfully taken - * 1: lock not taken, held by someone else + * 1: lock not taken, held by someone else * These return values match the Linux semantics. */ static inline unsigned int cvmx_spinlock_bit_trylock(uint32_t *word) @@ -198,15 +198,15 @@ static inline unsigned int cvmx_spinlock_bit_trylock(uint32_t *word) ".set noat\n" "1: ll %[tmp], %[val] \n" /* if lock held, fail immediately */ - " bbit1 %[tmp], 31, 2f \n" - " li $at, 1 \n" - " ins %[tmp], $at, 31, 1 \n" - " sc %[tmp], %[val] \n" - " beqz %[tmp], 1b \n" - " li %[tmp], 0 \n" - "2: \n" - ".set at \n" - ".set reorder \n" : + " bbit1 %[tmp], 31, 2f \n" + " li $at, 1 \n" + " ins %[tmp], $at, 31, 1 \n" + " sc %[tmp], %[val] \n" + " beqz %[tmp], 1b \n" + " li %[tmp], 0 \n" + "2: \n" + ".set at \n" + ".set reorder \n" : [val] "+m"(*word), [tmp] "=&r"(tmp) : : "memory"); |