diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-07-28 13:32:57 +0200 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2012-03-01 09:28:51 -0600 |
| commit | ffe4a6243aa05eef0d5d2b25a20a98c1f1796e7d (patch) | |
| tree | 5ede9f6b348af0c800a5cd52cce3da6c7cb406fc | |
| parent | 7ee059f6de41ec10532250217a24adff45c9b029 (diff) | |
drivers-tty-fix-omap-lock-crap.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | drivers/tty/serial/omap-serial.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 5e713d3ef1f4..93cdb92d1632 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -946,13 +946,12 @@ serial_omap_console_write(struct console *co, const char *s, unsigned int ier; int locked = 1; - local_irq_save(flags); if (up->port.sysrq) locked = 0; else if (oops_in_progress) - locked = spin_trylock(&up->port.lock); + locked = spin_trylock_irqsave(&up->port.lock, flags); else - spin_lock(&up->port.lock); + spin_lock_irqsave(&up->port.lock, flags); /* * First save the IER then disable the interrupts @@ -979,8 +978,7 @@ serial_omap_console_write(struct console *co, const char *s, check_modem_status(up); if (locked) - spin_unlock(&up->port.lock); - local_irq_restore(flags); + spin_unlock_irqrestore(&up->port.lock, flags); } static int __init |