diff options
Diffstat (limited to 'arch/mn10300')
| -rw-r--r-- | arch/mn10300/include/asm/spinlock.h | 16 | ||||
| -rw-r--r-- | arch/mn10300/kernel/mn10300-serial.c | 4 |
2 files changed, 3 insertions, 17 deletions
diff --git a/arch/mn10300/include/asm/spinlock.h b/arch/mn10300/include/asm/spinlock.h index fe413b41df6c..879cd0df53ba 100644 --- a/arch/mn10300/include/asm/spinlock.h +++ b/arch/mn10300/include/asm/spinlock.h @@ -84,6 +84,7 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *lock, : "d" (flags), "a"(&lock->slock), "i"(EPSW_IE | MN10300_CLI_LEVEL) : "memory", "cc"); } +#define arch_spin_lock_flags arch_spin_lock_flags #ifdef __KERNEL__ @@ -98,18 +99,6 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *lock, * read-locks. */ -/** - * read_can_lock - would read_trylock() succeed? - * @lock: the rwlock in question. - */ -#define arch_read_can_lock(x) ((int)(x)->lock > 0) - -/** - * write_can_lock - would write_trylock() succeed? - * @lock: the rwlock in question. - */ -#define arch_write_can_lock(x) ((x)->lock == RW_LOCK_BIAS) - /* * On mn10300, we implement read-write locks as a 32-bit counter * with the high bit (sign) being the "contended" bit. @@ -183,9 +172,6 @@ static inline int arch_write_trylock(arch_rwlock_t *lock) return 0; } -#define arch_read_lock_flags(lock, flags) arch_read_lock(lock) -#define arch_write_lock_flags(lock, flags) arch_write_lock(lock) - #define _raw_spin_relax(lock) cpu_relax() #define _raw_read_relax(lock) cpu_relax() #define _raw_write_relax(lock) cpu_relax() diff --git a/arch/mn10300/kernel/mn10300-serial.c b/arch/mn10300/kernel/mn10300-serial.c index 7ecf69879e2d..d7ef1232a82a 100644 --- a/arch/mn10300/kernel/mn10300-serial.c +++ b/arch/mn10300/kernel/mn10300-serial.c @@ -543,7 +543,7 @@ static void mn10300_serial_receive_interrupt(struct mn10300_serial_port *port) try_again: /* pull chars out of the hat */ - ix = ACCESS_ONCE(port->rx_outp); + ix = READ_ONCE(port->rx_outp); if (CIRC_CNT(port->rx_inp, ix, MNSC_BUFFER_SIZE) == 0) { if (push && !tport->low_latency) tty_flip_buffer_push(tport); @@ -1724,7 +1724,7 @@ static int mn10300_serial_poll_get_char(struct uart_port *_port) if (mn10300_serial_int_tbl[port->rx_irq].port != NULL) { do { /* pull chars out of the hat */ - ix = ACCESS_ONCE(port->rx_outp); + ix = READ_ONCE(port->rx_outp); if (CIRC_CNT(port->rx_inp, ix, MNSC_BUFFER_SIZE) == 0) return NO_POLL_CHAR; |