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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2007-11-04 00:44:31 -0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-01-21 01:11:07 -0500 |
| commit | a8399c512b5fa2cf80831f5b4cd3adffd299fbe3 (patch) | |
| tree | c9fe3ec30e6b4086e18f6c68baf5d13ea55eeb81 /drivers/input | |
| parent | Input: atkbd - remove unneeded synchronize_sched() (diff) | |
| download | linux-dev-a8399c512b5fa2cf80831f5b4cd3adffd299fbe3.tar.xz linux-dev-a8399c512b5fa2cf80831f5b4cd3adffd299fbe3.zip | |
Input: i8042 - use synchronize_irq() instead of synchronize_sched()
RT guys advised me that in their kernels synchronize_sched() will not
work to ensure that all IRQ handlers run to their completion and that
synchronize_irq() should be used instead.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/serio/i8042.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 1a0cea3c5294..13da06fd0b8f 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -280,7 +280,14 @@ static void i8042_stop(struct serio *serio) struct i8042_port *port = serio->port_data; port->exists = 0; - synchronize_sched(); + + /* + * We synchronize with both AUX and KBD IRQs because there is + * a (very unlikely) chance that AUX IRQ is raised for KBD port + * and vice versa. + */ + synchronize_irq(I8042_AUX_IRQ); + synchronize_irq(I8042_KBD_IRQ); port->serio = NULL; } |