X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fparport%2Fshare.c;h=a8a62bbbb5769c61446386205c64266887793d5d;hb=301bb4e1433b8b8d8bd084af57c491f0358b4e2b;hp=9cb3ab156b09c40d82477b23f2de41a15e5d3f42;hpb=333c47c847c90aaefde8b593054d9344106333b5;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index 9cb3ab156b0..a8a62bbbb57 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -17,7 +17,6 @@
 
 #undef PARPORT_DEBUG_SHARING		/* undef for production */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/string.h>
 #include <linux/threads.h>
@@ -32,6 +31,7 @@
 #include <linux/kmod.h>
 
 #include <linux/spinlock.h>
+#include <linux/mutex.h>
 #include <asm/irq.h>
 
 #undef PARPORT_PARANOID
@@ -50,7 +50,7 @@ static DEFINE_SPINLOCK(full_list_lock);
 
 static LIST_HEAD(drivers);
 
-static DECLARE_MUTEX(registration_lock);
+static DEFINE_MUTEX(registration_lock);
 
 /* What you can do to a port that's gone away.. */
 static void dead_write_lines (struct parport *p, unsigned char b){}
@@ -158,11 +158,11 @@ int parport_register_driver (struct parport_driver *drv)
 	if (list_empty(&portlist))
 		get_lowlevel_driver ();
 
-	down(&registration_lock);
+	mutex_lock(&registration_lock);
 	list_for_each_entry(port, &portlist, list)
 		drv->attach(port);
 	list_add(&drv->list, &drivers);
-	up(&registration_lock);
+	mutex_unlock(&registration_lock);
 
 	return 0;
 }
@@ -188,11 +188,11 @@ void parport_unregister_driver (struct parport_driver *drv)
 {
 	struct parport *port;
 
-	down(&registration_lock);
+	mutex_lock(&registration_lock);
 	list_del_init(&drv->list);
 	list_for_each_entry(port, &portlist, list)
 		drv->detach(port);
-	up(&registration_lock);
+	mutex_unlock(&registration_lock);
 }
 
 static void free_port (struct parport *port)
@@ -217,7 +217,7 @@ static void free_port (struct parport *port)
  *	parport_get_port - increment a port's reference count
  *	@port: the port
  *
- *	This ensure's that a struct parport pointer remains valid
+ *	This ensures that a struct parport pointer remains valid
  *	until the matching parport_put_port() call.
  **/
 
@@ -365,8 +365,13 @@ void parport_announce_port (struct parport *port)
 	parport_daisy_init(port);
 #endif
 
+	if (!port->dev)
+		printk(KERN_WARNING "%s: fix this legacy "
+				"no-device port driver!\n",
+				port->name);
+
 	parport_proc_register(port);
-	down(&registration_lock);
+	mutex_lock(&registration_lock);
 	spin_lock_irq(&parportlist_lock);
 	list_add_tail(&port->list, &portlist);
 	for (i = 1; i < 3; i++) {
@@ -383,7 +388,7 @@ void parport_announce_port (struct parport *port)
 		if (slave)
 			attach_driver_chain(slave);
 	}
-	up(&registration_lock);
+	mutex_unlock(&registration_lock);
 }
 
 /**
@@ -409,7 +414,7 @@ void parport_remove_port(struct parport *port)
 {
 	int i;
 
-	down(&registration_lock);
+	mutex_lock(&registration_lock);
 
 	/* Spread the word. */
 	detach_driver_chain (port);
@@ -436,7 +441,7 @@ void parport_remove_port(struct parport *port)
 	}
 	spin_unlock(&parportlist_lock);
 
-	up(&registration_lock);
+	mutex_unlock(&registration_lock);
 
 	parport_proc_unregister(port);
 
@@ -519,7 +524,7 @@ void parport_remove_port(struct parport *port)
 struct pardevice *
 parport_register_device(struct parport *port, const char *name,
 			int (*pf)(void *), void (*kf)(void *),
-			void (*irq_func)(int, void *, struct pt_regs *), 
+			void (*irq_func)(void *), 
 			int flags, void *handle)
 {
 	struct pardevice *tmp;
@@ -990,6 +995,15 @@ void parport_release(struct pardevice *dev)
 	}
 }
 
+irqreturn_t parport_irq_handler(int irq, void *dev_id)
+{
+	struct parport *port = dev_id;
+
+	parport_generic_irq(port);
+
+	return IRQ_HANDLED;
+}
+
 /* Exported symbols for modules. */
 
 EXPORT_SYMBOL(parport_claim);
@@ -1002,8 +1016,10 @@ EXPORT_SYMBOL(parport_register_driver);
 EXPORT_SYMBOL(parport_unregister_driver);
 EXPORT_SYMBOL(parport_register_device);
 EXPORT_SYMBOL(parport_unregister_device);
+EXPORT_SYMBOL(parport_get_port);
 EXPORT_SYMBOL(parport_put_port);
 EXPORT_SYMBOL(parport_find_number);
 EXPORT_SYMBOL(parport_find_base);
+EXPORT_SYMBOL(parport_irq_handler);
 
 MODULE_LICENSE("GPL");