drivers/tty/tty_ldsem.c

110

long count = atomic_long_add_return(LDSEM_ACTIVE_BIAS, &sem->count);

drivers/tty/tty_ldsem.c

112

if ((count & LDSEM_ACTIVE_MASK) == LDSEM_ACTIVE_BIAS)

drivers/tty/tty_ldsem.c

114

if (atomic_long_try_cmpxchg(&sem->count, &count, count - LDSEM_ACTIVE_BIAS))

drivers/tty/tty_ldsem.c

159

long adjust = -LDSEM_ACTIVE_BIAS + LDSEM_WAIT_BIAS;

drivers/tty/tty_ldsem.c

233

long adjust = -LDSEM_ACTIVE_BIAS;

drivers/tty/tty_ldsem.c

247

if ((count & LDSEM_ACTIVE_MASK) == LDSEM_ACTIVE_BIAS) {

drivers/tty/tty_ldsem.c

322

if ((count & LDSEM_ACTIVE_MASK) != LDSEM_ACTIVE_BIAS) {

drivers/tty/tty_ldsem.c

46

#define LDSEM_READ_BIAS LDSEM_ACTIVE_BIAS

drivers/tty/tty_ldsem.c

47

#define LDSEM_WRITE_BIAS (LDSEM_WAIT_BIAS + LDSEM_ACTIVE_BIAS)

drivers/tty/tty_ldsem.c

85

adjust = sem->wait_readers * (LDSEM_ACTIVE_BIAS - LDSEM_WAIT_BIAS);