diff options
Diffstat (limited to 'drivers/isdn/gigaset/proc.c')
| -rw-r--r-- | drivers/isdn/gigaset/proc.c | 51 |
1 files changed, 26 insertions, 25 deletions
diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c index c6915fa2be6..d267a636b53 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); |