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>

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) &&