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| author | Christoph Hellwig <hch@infradead.org> | 2007-04-22 13:55:36 +0100 |
|---|---|---|
| committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2008-06-24 15:33:39 +0200 |
| commit | 0b402094199762dde81bee8c32d323cf52f2c6e7 (patch) | |
| tree | 58bcb9574055099f553ff12a092d508d0d5861b8 /drivers/pcmcia | |
| parent | 2df697036ba69ea99b73a2dbf82dcc8fec62d4ab (diff) | |
| download | lwn-0b402094199762dde81bee8c32d323cf52f2c6e7.tar.gz lwn-0b402094199762dde81bee8c32d323cf52f2c6e7.zip | |
pcmcia: cs: kill thread_wait
There is not reason to have a waitqueue if it's always the same
thread that is waiting for it. Just use wake_up_process instead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Small modification: Also remove unused variable.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/pcmcia')
| -rw-r--r-- | drivers/pcmcia/cs.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 29276bd28295..6bb1bb5db9c4 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -238,7 +238,6 @@ int pcmcia_register_socket(struct pcmcia_socket *socket) init_completion(&socket->socket_released); init_completion(&socket->thread_done); - init_waitqueue_head(&socket->thread_wait); mutex_init(&socket->skt_mutex); spin_lock_init(&socket->thread_lock); @@ -278,10 +277,9 @@ void pcmcia_unregister_socket(struct pcmcia_socket *socket) cs_dbg(socket, 0, "pcmcia_unregister_socket(0x%p)\n", socket->ops); - if (socket->thread) { - wake_up(&socket->thread_wait); + if (socket->thread) kthread_stop(socket->thread); - } + release_cis_mem(socket); /* remove from our own list */ @@ -635,7 +633,6 @@ static void socket_detect_change(struct pcmcia_socket *skt) static int pccardd(void *__skt) { struct pcmcia_socket *skt = __skt; - DECLARE_WAITQUEUE(wait, current); int ret; skt->thread = current; @@ -656,7 +653,6 @@ static int pccardd(void *__skt) if (ret) dev_warn(&skt->dev, "err %d adding socket attributes\n", ret); - add_wait_queue(&skt->thread_wait, &wait); complete(&skt->thread_done); set_freezable(); @@ -694,8 +690,6 @@ static int pccardd(void *__skt) /* make sure we are running before we exit */ set_current_state(TASK_RUNNING); - remove_wait_queue(&skt->thread_wait, &wait); - /* remove from the device core */ pccard_sysfs_remove_socket(&skt->dev); device_unregister(&skt->dev); @@ -716,7 +710,7 @@ void pcmcia_parse_events(struct pcmcia_socket *s, u_int events) s->thread_events |= events; spin_unlock_irqrestore(&s->thread_lock, flags); - wake_up(&s->thread_wait); + wake_up_process(s->thread); } } /* pcmcia_parse_events */ EXPORT_SYMBOL(pcmcia_parse_events); |