IRQ: Maintain regs pointer globally rather than passing to IRQ handlers

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / parport.h

diff --git a/include/linux/parport.h b/include/linux/parport.h
index d42737eeee067783195346a34ae3b973cb828fa6..80682aaa8f183c741aa0d079eb44ec3de3aa84d7 100644 (file)
--- a/include/linux/parport.h
+++ b/include/linux/parport.h
@@ -127,6 +127,10 @@ struct amiga_parport_state {
        unsigned char statusdir;/* ciab.ddrb & 7 */
 };
 
+struct ax88796_parport_state {
+       unsigned char cpr;
+};
+
 struct ip32_parport_state {
        unsigned int dcr;
        unsigned int ecr;
@@ -138,6 +142,7 @@ struct parport_state {
                /* ARC has no state. */
                struct ax_parport_state ax;
                struct amiga_parport_state amiga;
+               struct ax88796_parport_state ax88796;
                /* Atari has not state. */
                struct ip32_parport_state ip32;
                void *misc; 
@@ -224,7 +229,7 @@ struct pardevice {
        int (*preempt)(void *);
        void (*wakeup)(void *);
        void *private;
-       void (*irq_func)(int, void *, struct pt_regs *);
+       void (*irq_func)(int, void *);
        unsigned int flags;
        struct pardevice *next;
        struct pardevice *prev;
@@ -370,7 +375,7 @@ extern void parport_put_port (struct parport *);
 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)(int, void *), 
                          int flags, void *handle);
 
 /* parport_unregister unlinks a device from the chain. */
@@ -452,7 +457,7 @@ static __inline__ int parport_yield_blocking(struct pardevice *dev)
 #define PARPORT_FLAG_EXCL              (1<<1)  /* EXCL driver registered. */
 
 /* IEEE1284 functions */
-extern void parport_ieee1284_interrupt (int, void *, struct pt_regs *);
+extern void parport_ieee1284_interrupt (int, void *);
 extern int parport_negotiate (struct parport *, int mode);
 extern ssize_t parport_write (struct parport *, const void *buf, size_t len);
 extern ssize_t parport_read (struct parport *, void *buf, size_t len);
@@ -497,8 +502,7 @@ extern void parport_daisy_fini (struct parport *port);
 extern struct pardevice *parport_open (int devnum, const char *name,
                                       int (*pf) (void *),
                                       void (*kf) (void *),
-                                      void (*irqf) (int, void *,
-                                                    struct pt_regs *),
+                                      void (*irqf) (int, void *),
                                       int flags, void *handle);
 extern void parport_close (struct pardevice *dev);
 extern ssize_t parport_device_id (int devnum, char *buffer, size_t len);
@@ -507,13 +511,12 @@ 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,
-                                          struct pt_regs *regs)
+static __inline__ void parport_generic_irq(int irq, struct parport *port)
 {
-       parport_ieee1284_interrupt (irq, port, regs);
+       parport_ieee1284_interrupt (irq, port);
        read_lock(&port->cad_lock);
        if (port->cad && port->cad->irq_func)
-               port->cad->irq_func(irq, port->cad->private, regs);
+               port->cad->irq_func(irq, port->cad->private);
        read_unlock(&port->cad_lock);
 }