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path: root/drivers/tty/serial/sunsab.c
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Diffstat (limited to 'drivers/tty/serial/sunsab.c')
-rw-r--r--drivers/tty/serial/sunsab.c14
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
863static int sunsab_console_setup(struct console *con, char *options) 859static int sunsab_console_setup(struct console *con, char *options)