aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/kernel/ecard.c
diff options
context:
space:
mode:
authorLen Brown <len.brown@intel.com>2006-01-27 17:18:29 -0500
committerLen Brown <len.brown@intel.com>2006-01-27 17:18:29 -0500
commit292dd876ee765c478b27c93cc51e93a558ed58bf (patch)
tree5b740e93253295baee2a9c414a6c66d03d44a9ef /arch/arm/kernel/ecard.c
parentd4ec6c7cc9a15a7a529719bc3b84f46812f9842e (diff)
parent9fdb62af92c741addbea15545f214a6e89460865 (diff)
Pull release into acpica branch
Diffstat (limited to 'arch/arm/kernel/ecard.c')
-rw-r--r--arch/arm/kernel/ecard.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index dceb826bd21..74ea29c3205 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -40,6 +40,7 @@
#include <linux/proc_fs.h>
#include <linux/device.h>
#include <linux/init.h>
+#include <linux/mutex.h>
#include <asm/dma.h>
#include <asm/ecard.h>
@@ -206,7 +207,7 @@ static void ecard_task_readbytes(struct ecard_request *req)
static DECLARE_WAIT_QUEUE_HEAD(ecard_wait);
static struct ecard_request *ecard_req;
-static DECLARE_MUTEX(ecard_sem);
+static DEFINE_MUTEX(ecard_mutex);
/*
* Set up the expansion card daemon's page tables.
@@ -299,7 +300,7 @@ static void ecard_call(struct ecard_request *req)
req->complete = &completion;
- down(&ecard_sem);
+ mutex_lock(&ecard_mutex);
ecard_req = req;
wake_up(&ecard_wait);
@@ -307,7 +308,7 @@ static void ecard_call(struct ecard_request *req)
* Now wait for kecardd to run.
*/
wait_for_completion(&completion);
- up(&ecard_sem);
+ mutex_unlock(&ecard_mutex);
}
/* ======================= Mid-level card control ===================== */
@@ -1146,9 +1147,11 @@ static void ecard_drv_shutdown(struct device *dev)
struct ecard_driver *drv = ECARD_DRV(dev->driver);
struct ecard_request req;
- if (drv->shutdown)
- drv->shutdown(ec);
- ecard_release(ec);
+ if (dev->driver) {
+ if (drv->shutdown)
+ drv->shutdown(ec);
+ ecard_release(ec);
+ }
/*
* If this card has a loader, call the reset handler.
@@ -1163,9 +1166,6 @@ static void ecard_drv_shutdown(struct device *dev)
int ecard_register_driver(struct ecard_driver *drv)
{
drv->drv.bus = &ecard_bus_type;
- drv->drv.probe = ecard_drv_probe;
- drv->drv.remove = ecard_drv_remove;
- drv->drv.shutdown = ecard_drv_shutdown;
return driver_register(&drv->drv);
}
@@ -1194,6 +1194,9 @@ struct bus_type ecard_bus_type = {
.name = "ecard",
.dev_attrs = ecard_dev_attrs,
.match = ecard_match,
+ .probe = ecard_drv_probe,
+ .remove = ecard_drv_remove,
+ .shutdown = ecard_drv_shutdown,
};
static int ecard_bus_init(void)