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path: root/drivers/isdn/gigaset/proc.c
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Diffstat (limited to 'drivers/isdn/gigaset/proc.c')
-rw-r--r--drivers/isdn/gigaset/proc.c51
1 files changed, 26 insertions, 25 deletions
diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c
index c6915fa2be6c..d267a636b53c 100644
--- a/drivers/isdn/gigaset/proc.c
+++ b/drivers/isdn/gigaset/proc.c
@@ -1,7 +1,7 @@
/*
* Stuff used by all variants of the driver
*
- * Copyright (c) 2001 by Stefan Eilers <Eilers.Stefan@epost.de>,
+ * Copyright (c) 2001 by Stefan Eilers,
* Hansjoerg Lipp <hjlipp@web.de>,
* Tilman Schmidt <tilman@imap.cc>.
*
@@ -11,26 +11,29 @@
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* =====================================================================
- * ToDo: ...
- * =====================================================================
- * Version: $Id: proc.c,v 1.5.2.13 2006/02/04 18:28:16 hjlipp Exp $
- * =====================================================================
*/
#include "gigaset.h"
#include <linux/ctype.h>
-static ssize_t show_cidmode(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_cidmode(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct usb_interface *intf = to_usb_interface(dev);
- struct cardstate *cs = usb_get_intfdata(intf);
- return sprintf(buf, "%d\n", atomic_read(&cs->cidmode)); // FIXME use scnprintf for 13607 bit architectures (if PAGE_SIZE==4096)
+ int ret;
+ unsigned long flags;
+ struct cardstate *cs = dev_get_drvdata(dev);
+
+ spin_lock_irqsave(&cs->lock, flags);
+ ret = sprintf(buf, "%u\n", cs->cidmode);
+ spin_unlock_irqrestore(&cs->lock, flags);
+
+ return ret;
}
-static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
- struct usb_interface *intf = to_usb_interface(dev);
- struct cardstate *cs = usb_get_intfdata(intf);
+ struct cardstate *cs = dev_get_drvdata(dev);
long int value;
char *end;
@@ -41,23 +44,23 @@ static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr, co
if (value < 0 || value > 1)
return -EINVAL;
- if (down_interruptible(&cs->sem))
+ if (mutex_lock_interruptible(&cs->mutex))
return -ERESTARTSYS; // FIXME -EINTR?
cs->waiting = 1;
if (!gigaset_add_event(cs, &cs->at_state, EV_PROC_CIDMODE,
- NULL, value, NULL)) {
+ NULL, value, NULL)) {
cs->waiting = 0;
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
return -ENOMEM;
}
- dbg(DEBUG_CMD, "scheduling PROC_CIDMODE");
+ gig_dbg(DEBUG_CMD, "scheduling PROC_CIDMODE");
gigaset_schedule_event(cs);
wait_event(cs->waitqueue, !cs->waiting);
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
return count;
}
@@ -65,17 +68,15 @@ static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr, co
static DEVICE_ATTR(cidmode, S_IRUGO|S_IWUSR, show_cidmode, set_cidmode);
/* free sysfs for device */
-void gigaset_free_dev_sysfs(struct usb_interface *interface)
+void gigaset_free_dev_sysfs(struct cardstate *cs)
{
- dbg(DEBUG_INIT, "removing sysfs entries");
- device_remove_file(&interface->dev, &dev_attr_cidmode);
+ gig_dbg(DEBUG_INIT, "removing sysfs entries");
+ device_remove_file(cs->dev, &dev_attr_cidmode);
}
-EXPORT_SYMBOL_GPL(gigaset_free_dev_sysfs);
/* initialize sysfs for device */
-void gigaset_init_dev_sysfs(struct usb_interface *interface)
+void gigaset_init_dev_sysfs(struct cardstate *cs)
{
- dbg(DEBUG_INIT, "setting up sysfs");
- device_create_file(&interface->dev, &dev_attr_cidmode);
+ gig_dbg(DEBUG_INIT, "setting up sysfs");
+ device_create_file(cs->dev, &dev_attr_cidmode);
}
-EXPORT_SYMBOL_GPL(gigaset_init_dev_sysfs);