diff options
Diffstat (limited to 'target/linux/realtek/files/arch/rlx/include/asm/spinlock.h')
| -rw-r--r-- | target/linux/realtek/files/arch/rlx/include/asm/spinlock.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/realtek/files/arch/rlx/include/asm/spinlock.h b/target/linux/realtek/files/arch/rlx/include/asm/spinlock.h index fc33c7878..996c825c9 100644 --- a/target/linux/realtek/files/arch/rlx/include/asm/spinlock.h +++ b/target/linux/realtek/files/arch/rlx/include/asm/spinlock.h @@ -63,6 +63,9 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock) " .set noreorder \n" " \n" " ll %[ticket], %[ticket_ptr] \n" +#if defined(CONFIG_CPU_RLX4181) || defined(CONFIG_CPU_RLX5181) + " nop \n" +#endif "1: addiu %[my_ticket], %[ticket], 0x4000 \n" " sc %[my_ticket], %[ticket_ptr] \n" " beqz %[my_ticket], 3f \n" @@ -134,6 +137,9 @@ static inline unsigned int __raw_spin_trylock(raw_spinlock_t *lock) " .set noreorder \n" " \n" " ll %[ticket], %[ticket_ptr] \n" +#if defined(CONFIG_CPU_RLX4181) || defined(CONFIG_CPU_RLX5181) + " nop \n" +#endif "1: srl %[my_ticket], %[ticket], 14 \n" " andi %[my_ticket], %[my_ticket], 0x1fff \n" " andi %[now_serving], %[ticket], 0x1fff \n" @@ -188,6 +194,9 @@ static inline void __raw_read_lock(raw_rwlock_t *rw) __asm__ __volatile__( " .set noreorder # __raw_read_lock \n" "1: ll %1, %2 \n" +#if defined(CONFIG_CPU_RLX4181) || defined(CONFIG_CPU_RLX5181) + " nop \n" +#endif " bltz %1, 2f \n" " addu %1, 1 \n" " sc %1, %0 \n" @@ -195,6 +204,9 @@ static inline void __raw_read_lock(raw_rwlock_t *rw) " nop \n" " .subsection 2 \n" "2: ll %1, %2 \n" +#if defined(CONFIG_CPU_RLX4181) || defined(CONFIG_CPU_RLX5181) + " nop \n" +#endif " bltz %1, 2b \n" " addu %1, 1 \n" " b 1b \n" @@ -220,6 +232,9 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw) __asm__ __volatile__( " .set noreorder # __raw_read_unlock \n" "1: ll %1, %2 \n" +#if defined(CONFIG_CPU_RLX4181) || defined(CONFIG_CPU_RLX5181) + " nop \n" +#endif " sub %1, 1 \n" " sc %1, %0 \n" " beqz %1, 2f \n" @@ -241,6 +256,9 @@ static inline void __raw_write_lock(raw_rwlock_t *rw) __asm__ __volatile__( " .set noreorder # __raw_write_lock \n" "1: ll %1, %2 \n" +#if defined(CONFIG_CPU_RLX4181) || defined(CONFIG_CPU_RLX5181) + " nop \n" +#endif " bnez %1, 2f \n" " lui %1, 0x8000 \n" " sc %1, %0 \n" @@ -248,6 +266,9 @@ static inline void __raw_write_lock(raw_rwlock_t *rw) " nop \n" " .subsection 2 \n" "2: ll %1, %2 \n" +#if defined(CONFIG_CPU_RLX4181) || defined(CONFIG_CPU_RLX5181) + " nop \n" +#endif " bnez %1, 2b \n" " lui %1, 0x8000 \n" " b 1b \n" @@ -282,6 +303,9 @@ static inline int __raw_read_trylock(raw_rwlock_t *rw) " .set noreorder # __raw_read_trylock \n" " li %2, 0 \n" "1: ll %1, %3 \n" +#if defined(CONFIG_CPU_RLX4181) || defined(CONFIG_CPU_RLX5181) + " nop \n" +#endif " bltz %1, 2f \n" " addu %1, 1 \n" " sc %1, %0 \n" @@ -307,6 +331,9 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw) " .set noreorder # __raw_write_trylock \n" " li %2, 0 \n" "1: ll %1, %3 \n" +#if defined(CONFIG_CPU_RLX4181) || defined(CONFIG_CPU_RLX5181) + " nop \n" +#endif " bnez %1, 2f \n" " lui %1, 0x8000 \n" " sc %1, %0 \n" |