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rt2x00: Introduce tasklets for interrupt handling

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No functional changes, just preparation for moving interrupt handling to
tasklets. The tasklets are disabled by default. Drivers making use of
them need to enable the tasklets when the device state is set to IRQ_ON.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Helmut Schaa
2011-01-30 13:17:52 +01:00
committed by John W. Linville
parent 8d59c4e993
commit c5c6576183
2 changed files with 34 additions and 0 deletions
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21
drivers/net/wireless/rt2x00/rt2x00dev.c
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@ -830,6 +830,26 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
}
/*
* Initialize tasklets if used by the driver. Tasklets are
* disabled until the interrupts are turned on. The driver
* has to handle that.
*/
#define RT2X00_TASKLET_INIT(taskletname) \
if (rt2x00dev->ops->lib->taskletname) { \
tasklet_init(&rt2x00dev->taskletname, \
rt2x00dev->ops->lib->taskletname, \
(unsigned long)rt2x00dev); \
tasklet_disable(&rt2x00dev->taskletname); \
}
RT2X00_TASKLET_INIT(pretbtt_tasklet);
RT2X00_TASKLET_INIT(tbtt_tasklet);
RT2X00_TASKLET_INIT(rxdone_tasklet);
RT2X00_TASKLET_INIT(autowake_tasklet);
#undef RT2X00_TASKLET_INIT
/*
* Register HW.
*/
@ -958,6 +978,7 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
{
int retval = -ENOMEM;
spin_lock_init(&rt2x00dev->irqmask_lock);
mutex_init(&rt2x00dev->csr_mutex);
set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);