diff options
| author |   Dominik Brodowski <linux@dominikbrodowski.net> | 2010-01-16 09:14:11 +0100 |
|---|---|---|
| committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2010-02-17 17:48:20 +0100 |
| commit | 00ce99ff506a17882747a7d6874e3f5206a99043 (patch) | |
| tree | 571f5b106f25f35f326d456123c4af85147c3bce /drivers/pcmcia/socket_sysfs.c | |
| parent | pcmcia: add locking to struct pcmcia_socket->pcmcia_state() (diff) | |
| download | linux-dev-00ce99ff506a17882747a7d6874e3f5206a99043.tar.xz linux-dev-00ce99ff506a17882747a7d6874e3f5206a99043.zip | |
pcmcia: simplify locking
replace pcmcia_socket->lock and pcmcia_dev_list_lock by using the
per-socket "ops_mutex", as we do neither need different locks
nor a spinlock here.
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/pcmcia/socket_sysfs.c')
| -rw-r--r-- | drivers/pcmcia/socket_sysfs.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c index 1cba9d38d813..e8826df00a36 100644 --- a/drivers/pcmcia/socket_sysfs.c +++ b/drivers/pcmcia/socket_sysfs.c @@ -189,16 +189,15 @@ static ssize_t pccard_store_resource(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - unsigned long flags; struct pcmcia_socket *s = to_socket(dev); if (!count) return -EINVAL; - spin_lock_irqsave(&s->lock, flags); + mutex_lock(&s->ops_mutex); if (!s->resource_setup_done) s->resource_setup_done = 1; - spin_unlock_irqrestore(&s->lock, flags); + mutex_unlock(&s->ops_mutex); mutex_lock(&s->skt_mutex); if ((s->callback) && |