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staging: most: remove exclusive wait_queue

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This patch removes the unnecessary wait_queue that has exclusively been
used for the poll function and its poll_table. Instead, an already
existing one is used.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Gromm 2015-10-28 15:14:35 +01:00 committed by Greg Kroah-Hartman
parent 7f9cacb62d
commit c27fc351cf
1 changed files with 1 additions and 3 deletions
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4
drivers/staging/most/aim-cdev/cdev.c
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@ -32,7 +32,6 @@ static struct most_aim cdev_aim;
struct aim_channel {
wait_queue_head_t wq;
wait_queue_head_t poll_wq;
struct cdev cdev;
struct device *dev;
struct mutex io_mutex;
@ -283,7 +282,7 @@ static unsigned int aim_poll(struct file *filp, poll_table *wait)
struct aim_channel *c = filp->private_data;
unsigned int mask = 0;
poll_wait(filp, &c->poll_wq, wait);
poll_wait(filp, &c->wq, wait);
if (c->cfg->direction == MOST_CH_RX) {
if (!kfifo_is_empty(&c->fifo))
@ -459,7 +458,6 @@ static int aim_probe(struct most_interface *iface, int channel_id,
goto error_alloc_kfifo;
}
init_waitqueue_head(&channel->wq);
init_waitqueue_head(&channel->poll_wq);
mutex_init(&channel->io_mutex);
spin_lock_irqsave(&ch_list_lock, cl_flags);
list_add_tail(&channel->list, &channel_list);