[PATCH] staging: most: remove exclusive wait_queue
Christian Gromm
christian.gromm at microchip.com
Wed Oct 28 14:14:35 UTC 2015
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 at microchip.com>
---
drivers/staging/most/aim-cdev/cdev.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/staging/most/aim-cdev/cdev.c b/drivers/staging/most/aim-cdev/cdev.c
index 4dd1434..dc3fb25 100644
--- a/drivers/staging/most/aim-cdev/cdev.c
+++ b/drivers/staging/most/aim-cdev/cdev.c
@@ -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);
--
1.7.9.5
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