aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/isdn/gigaset/proc.c
diff options
context:
space:
mode:
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 @@
1/* 1/*
2 * Stuff used by all variants of the driver 2 * Stuff used by all variants of the driver
3 * 3 *
4 * Copyright (c) 2001 by Stefan Eilers <Eilers.Stefan@epost.de>, 4 * Copyright (c) 2001 by Stefan Eilers,
5 * Hansjoerg Lipp <hjlipp@web.de>, 5 * Hansjoerg Lipp <hjlipp@web.de>,
6 * Tilman Schmidt <tilman@imap.cc>. 6 * Tilman Schmidt <tilman@imap.cc>.
7 * 7 *
@@ -11,26 +11,29 @@
11 * published by the Free Software Foundation; either version 2 of 11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version. 12 * the License, or (at your option) any later version.
13 * ===================================================================== 13 * =====================================================================
14 * ToDo: ...
15 * =====================================================================
16 * Version: $Id: proc.c,v 1.5.2.13 2006/02/04 18:28:16 hjlipp Exp $
17 * =====================================================================
18 */ 14 */
19 15
20#include "gigaset.h" 16#include "gigaset.h"
21#include <linux/ctype.h> 17#include <linux/ctype.h>
22 18
23static ssize_t show_cidmode(struct device *dev, struct device_attribute *attr, char *buf) 19static ssize_t show_cidmode(struct device *dev, struct device_attribute *attr,
20 char *buf)
24{ 21{
25 struct usb_interface *intf = to_usb_interface(dev); 22 int ret;
26 struct cardstate *cs = usb_get_intfdata(intf); 23 unsigned long flags;
27 return sprintf(buf, "%d\n", atomic_read(&cs->cidmode)); // FIXME use scnprintf for 13607 bit architectures (if PAGE_SIZE==4096) 24 struct cardstate *cs = dev_get_drvdata(dev);
25
26 spin_lock_irqsave(&cs->lock, flags);
27 ret = sprintf(buf, "%u\n", cs->cidmode);
28 spin_unlock_irqrestore(&cs->lock, flags);
29
30 return ret;
28} 31}
29 32
30static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 33static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr,
34 const char *buf, size_t count)
31{ 35{
32 struct usb_interface *intf = to_usb_interface(dev); 36 struct cardstate *cs = dev_get_drvdata(dev);
33 struct cardstate *cs = usb_get_intfdata(intf);
34 long int value; 37 long int value;
35 char *end; 38 char *end;
36 39
@@ -41,23 +44,23 @@ static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr, co
41 if (value < 0 || value > 1) 44 if (value < 0 || value > 1)
42 return -EINVAL; 45 return -EINVAL;
43 46
44 if (down_interruptible(&cs->sem)) 47 if (mutex_lock_interruptible(&cs->mutex))
45 return -ERESTARTSYS; // FIXME -EINTR? 48 return -ERESTARTSYS; // FIXME -EINTR?
46 49
47 cs->waiting = 1; 50 cs->waiting = 1;
48 if (!gigaset_add_event(cs, &cs->at_state, EV_PROC_CIDMODE, 51 if (!gigaset_add_event(cs, &cs->at_state, EV_PROC_CIDMODE,
49 NULL, value, NULL)) { 52 NULL, value, NULL)) {
50 cs->waiting = 0; 53 cs->waiting = 0;
51 up(&cs->sem); 54 mutex_unlock(&cs->mutex);
52 return -ENOMEM; 55 return -ENOMEM;
53 } 56 }
54 57
55 dbg(DEBUG_CMD, "scheduling PROC_CIDMODE"); 58 gig_dbg(DEBUG_CMD, "scheduling PROC_CIDMODE");
56 gigaset_schedule_event(cs); 59 gigaset_schedule_event(cs);
57 60
58 wait_event(cs->waitqueue, !cs->waiting); 61 wait_event(cs->waitqueue, !cs->waiting);
59 62
60 up(&cs->sem); 63 mutex_unlock(&cs->mutex);
61 64
62 return count; 65 return count;
63} 66}
@@ -65,17 +68,15 @@ static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr, co
65static DEVICE_ATTR(cidmode, S_IRUGO|S_IWUSR, show_cidmode, set_cidmode); 68static DEVICE_ATTR(cidmode, S_IRUGO|S_IWUSR, show_cidmode, set_cidmode);
66 69
67/* free sysfs for device */ 70/* free sysfs for device */
68void gigaset_free_dev_sysfs(struct usb_interface *interface) 71void gigaset_free_dev_sysfs(struct cardstate *cs)
69{ 72{
70 dbg(DEBUG_INIT, "removing sysfs entries"); 73 gig_dbg(DEBUG_INIT, "removing sysfs entries");
71 device_remove_file(&interface->dev, &dev_attr_cidmode); 74 device_remove_file(cs->dev, &dev_attr_cidmode);
72} 75}
73EXPORT_SYMBOL_GPL(gigaset_free_dev_sysfs);
74 76
75/* initialize sysfs for device */ 77/* initialize sysfs for device */
76void gigaset_init_dev_sysfs(struct usb_interface *interface) 78void gigaset_init_dev_sysfs(struct cardstate *cs)
77{ 79{
78 dbg(DEBUG_INIT, "setting up sysfs"); 80 gig_dbg(DEBUG_INIT, "setting up sysfs");
79 device_create_file(&interface->dev, &dev_attr_cidmode); 81 device_create_file(cs->dev, &dev_attr_cidmode);
80} 82}
81EXPORT_SYMBOL_GPL(gigaset_init_dev_sysfs);