/*
* 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>.
*
#include <linux/moduleparam.h>
/* Version Information */
-#define DRIVER_AUTHOR "Hansjoerg Lipp <hjlipp@web.de>, Tilman Schmidt <tilman@imap.cc>, Stefan Eilers <Eilers.Stefan@epost.de>"
+#define DRIVER_AUTHOR "Hansjoerg Lipp <hjlipp@web.de>, Tilman Schmidt <tilman@imap.cc>, Stefan Eilers"
#define DRIVER_DESC "Driver for Gigaset 307x"
/* Module parameters */
module_param_named(debug, gigaset_debuglevel, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(debug, "debug level");
-/*======================================================================
- Prototypes of internal functions
- */
-
-static struct cardstate *alloc_cs(struct gigaset_driver *drv);
-static void free_cs(struct cardstate *cs);
-static void make_valid(struct cardstate *cs, unsigned mask);
-static void make_invalid(struct cardstate *cs, unsigned mask);
-
+/* driver state flags */
#define VALID_MINOR 0x01
#define VALID_ID 0x02
#define ASSIGNED 0x04
}
}
+static struct cardstate *alloc_cs(struct gigaset_driver *drv)
+{
+ unsigned long flags;
+ unsigned i;
+ static struct cardstate *ret = NULL;
+
+ spin_lock_irqsave(&drv->lock, flags);
+ for (i = 0; i < drv->minors; ++i) {
+ if (!(drv->flags[i] & VALID_MINOR)) {
+ drv->flags[i] = VALID_MINOR;
+ ret = drv->cs + i;
+ }
+ if (ret)
+ break;
+ }
+ spin_unlock_irqrestore(&drv->lock, flags);
+ return ret;
+}
+
+static void free_cs(struct cardstate *cs)
+{
+ unsigned long flags;
+ struct gigaset_driver *drv = cs->driver;
+ spin_lock_irqsave(&drv->lock, flags);
+ drv->flags[cs->minor_index] = 0;
+ spin_unlock_irqrestore(&drv->lock, flags);
+}
+
+static void make_valid(struct cardstate *cs, unsigned mask)
+{
+ unsigned long flags;
+ struct gigaset_driver *drv = cs->driver;
+ spin_lock_irqsave(&drv->lock, flags);
+ drv->flags[cs->minor_index] |= mask;
+ spin_unlock_irqrestore(&drv->lock, flags);
+}
+
+static void make_invalid(struct cardstate *cs, unsigned mask)
+{
+ unsigned long flags;
+ struct gigaset_driver *drv = cs->driver;
+ spin_lock_irqsave(&drv->lock, flags);
+ drv->flags[cs->minor_index] &= ~mask;
+ spin_unlock_irqrestore(&drv->lock, flags);
+}
+
void gigaset_freecs(struct cardstate *cs)
{
int i;
}
EXPORT_SYMBOL_GPL(gigaset_initdriver);
-static struct cardstate *alloc_cs(struct gigaset_driver *drv)
-{
- unsigned long flags;
- unsigned i;
- static struct cardstate *ret = NULL;
-
- spin_lock_irqsave(&drv->lock, flags);
- for (i = 0; i < drv->minors; ++i) {
- if (!(drv->flags[i] & VALID_MINOR)) {
- drv->flags[i] = VALID_MINOR;
- ret = drv->cs + i;
- }
- if (ret)
- break;
- }
- spin_unlock_irqrestore(&drv->lock, flags);
- return ret;
-}
-
-static void free_cs(struct cardstate *cs)
-{
- unsigned long flags;
- struct gigaset_driver *drv = cs->driver;
- spin_lock_irqsave(&drv->lock, flags);
- drv->flags[cs->minor_index] = 0;
- spin_unlock_irqrestore(&drv->lock, flags);
-}
-
-static void make_valid(struct cardstate *cs, unsigned mask)
-{
- unsigned long flags;
- struct gigaset_driver *drv = cs->driver;
- spin_lock_irqsave(&drv->lock, flags);
- drv->flags[cs->minor_index] |= mask;
- spin_unlock_irqrestore(&drv->lock, flags);
-}
-
-static void make_invalid(struct cardstate *cs, unsigned mask)
-{
- unsigned long flags;
- struct gigaset_driver *drv = cs->driver;
- spin_lock_irqsave(&drv->lock, flags);
- drv->flags[cs->minor_index] &= ~mask;
- spin_unlock_irqrestore(&drv->lock, flags);
-}
-
/* For drivers without fixed assignment device<->cardstate (usb) */
struct cardstate *gigaset_getunassignedcs(struct gigaset_driver *drv)
{