diff options
Diffstat (limited to 'drivers/tty/serial/sunsab.c')
-rw-r--r-- | drivers/tty/serial/sunsab.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c index 380fb5355cb2..5faa8e905e98 100644 --- a/drivers/tty/serial/sunsab.c +++ b/drivers/tty/serial/sunsab.c | |||
@@ -844,20 +844,16 @@ static void sunsab_console_write(struct console *con, const char *s, unsigned n) | |||
844 | unsigned long flags; | 844 | unsigned long flags; |
845 | int locked = 1; | 845 | int locked = 1; |
846 | 846 | ||
847 | local_irq_save(flags); | 847 | if (up->port.sysrq || oops_in_progress) |
848 | if (up->port.sysrq) { | 848 | locked = spin_trylock_irqsave(&up->port.lock, flags); |
849 | locked = 0; | 849 | else |
850 | } else if (oops_in_progress) { | 850 | spin_lock_irqsave(&up->port.lock, flags); |
851 | locked = spin_trylock(&up->port.lock); | ||
852 | } else | ||
853 | spin_lock(&up->port.lock); | ||
854 | 851 | ||
855 | uart_console_write(&up->port, s, n, sunsab_console_putchar); | 852 | uart_console_write(&up->port, s, n, sunsab_console_putchar); |
856 | sunsab_tec_wait(up); | 853 | sunsab_tec_wait(up); |
857 | 854 | ||
858 | if (locked) | 855 | if (locked) |
859 | spin_unlock(&up->port.lock); | 856 | spin_unlock_irqrestore(&up->port.lock, flags); |
860 | local_irq_restore(flags); | ||
861 | } | 857 | } |
862 | 858 | ||
863 | static int sunsab_console_setup(struct console *con, char *options) | 859 | static int sunsab_console_setup(struct console *con, char *options) |