[PARPORT] Consolidate code copies into a single generic irq handler

[firefly-linux-kernel-4.4.55.git] / include / linux / parport.h

diff --git a/include/linux/parport.h b/include/linux/parport.h
index 9cdd6943e01b8145c7d105d7d89b17c63d40c604..66026eab10c766a76598cd3005ce30fa084f6b5d 100644 (file)
--- a/include/linux/parport.h
+++ b/include/linux/parport.h
@@ -100,6 +100,7 @@ typedef enum {
 #include <linux/proc_fs.h>
 #include <linux/spinlock.h>
 #include <linux/wait.h>
+#include <linux/irqreturn.h>
 #include <asm/system.h>
 #include <asm/ptrace.h>
 #include <asm/semaphore.h>
@@ -366,6 +367,9 @@ extern void parport_unregister_driver (struct parport_driver *);
 extern struct parport *parport_find_number (int);
 extern struct parport *parport_find_base (unsigned long);
 
+/* generic irq handler, if it suits your needs */
+extern irqreturn_t parport_irq_handler(int irq, void *dev_id);
+
 /* Reference counting for ports. */
 extern struct parport *parport_get_port (struct parport *);
 extern void parport_put_port (struct parport *);
@@ -510,12 +514,11 @@ extern struct pardevice *parport_open (int devnum, const char *name,
                                       int flags, void *handle);
 extern void parport_close (struct pardevice *dev);
 extern ssize_t parport_device_id (int devnum, char *buffer, size_t len);
-extern int parport_device_num (int parport, int mux, int daisy);
 extern void parport_daisy_deselect_all (struct parport *port);
 extern int parport_daisy_select (struct parport *port, int daisy, int mode);
 
 /* Lowlevel drivers _can_ call this support function to handle irqs.  */
-static __inline__ void parport_generic_irq(int irq, struct parport *port)
+static inline void parport_generic_irq(int irq, struct parport *port)
 {
        parport_ieee1284_interrupt (irq, port);
        read_lock(&port->cad_lock);