diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-07-28 11:32:57 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:20:49 (GMT) |
| commit | fcb5a6267a49b97b97639a17592804517fd552d1 (patch) | |
| tree | 273e4063bb81f51f68d465d14a8823755da3e093 /drivers/tty | |
| parent | 47fa7ea9a250321e7038b18525c760437036c1a9 (diff) | |
| download | linux-fsl-qoriq-fcb5a6267a49b97b97639a17592804517fd552d1.tar.xz | |
drivers-tty-fix-omap-lock-crap.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/omap-serial.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index e2b09fd..59117ea 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -1240,13 +1240,10 @@ serial_omap_console_write(struct console *co, const char *s, pm_runtime_get_sync(up->dev); - local_irq_save(flags); - if (up->port.sysrq) - locked = 0; - else if (oops_in_progress) - locked = spin_trylock(&up->port.lock); + if (up->port.sysrq || oops_in_progress) + 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 @@ -1275,8 +1272,7 @@ serial_omap_console_write(struct console *co, const char *s, pm_runtime_mark_last_busy(up->dev); pm_runtime_put_autosuspend(up->dev); if (locked) - spin_unlock(&up->port.lock); - local_irq_restore(flags); + spin_unlock_irqrestore(&up->port.lock, flags); } static int __init |