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

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / usb / serial / keyspan.c

diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 015ad6cc1bbb6418613d8fed60992bf49e8157c4..53be824eb1bf2070e0e666ea67313de07de035c8 100644 (file)
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -412,7 +412,7 @@ static int keyspan_write(struct usb_serial_port *port,
        return count - left;
 }
 
-static void    usa26_indat_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa26_indat_callback(struct urb *urb)
 {
        int                     i, err;
        int                     endpoint;
@@ -470,7 +470,7 @@ static void usa26_indat_callback(struct urb *urb, struct pt_regs *regs)
 }
 
        /* Outdat handling is common for all devices */
-static void    usa2x_outdat_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa2x_outdat_callback(struct urb *urb)
 {
        struct usb_serial_port *port;
        struct keyspan_port_private *p_priv;
@@ -483,13 +483,13 @@ static void       usa2x_outdat_callback(struct urb *urb, struct pt_regs *regs)
                usb_serial_port_softint(port);
 }
 
-static void    usa26_inack_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa26_inack_callback(struct urb *urb)
 {
        dbg ("%s", __FUNCTION__); 
        
 }
 
-static void    usa26_outcont_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa26_outcont_callback(struct urb *urb)
 {
        struct usb_serial_port *port;
        struct keyspan_port_private *p_priv;
@@ -503,7 +503,7 @@ static void usa26_outcont_callback(struct urb *urb, struct pt_regs *regs)
        }
 }
 
-static void    usa26_instat_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa26_instat_callback(struct urb *urb)
 {
        unsigned char                           *data = urb->transfer_buffer;
        struct keyspan_usa26_portStatusMessage  *msg;
@@ -565,14 +565,14 @@ static void       usa26_instat_callback(struct urb *urb, struct pt_regs *regs)
 exit: ;
 }
 
-static void    usa26_glocont_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa26_glocont_callback(struct urb *urb)
 {
        dbg ("%s", __FUNCTION__);
        
 }
 
 
-static void usa28_indat_callback(struct urb *urb, struct pt_regs *regs)
+static void usa28_indat_callback(struct urb *urb)
 {
        int                     i, err;
        struct usb_serial_port  *port;
@@ -620,12 +620,12 @@ static void usa28_indat_callback(struct urb *urb, struct pt_regs *regs)
        } while (urb->status != -EINPROGRESS);
 }
 
-static void    usa28_inack_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa28_inack_callback(struct urb *urb)
 {
        dbg ("%s", __FUNCTION__);
 }
 
-static void    usa28_outcont_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa28_outcont_callback(struct urb *urb)
 {
        struct usb_serial_port *port;
        struct keyspan_port_private *p_priv;
@@ -639,7 +639,7 @@ static void usa28_outcont_callback(struct urb *urb, struct pt_regs *regs)
        }
 }
 
-static void    usa28_instat_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa28_instat_callback(struct urb *urb)
 {
        int                                     err;
        unsigned char                           *data = urb->transfer_buffer;
@@ -700,13 +700,13 @@ static void       usa28_instat_callback(struct urb *urb, struct pt_regs *regs)
 exit: ;
 }
 
-static void    usa28_glocont_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa28_glocont_callback(struct urb *urb)
 {
        dbg ("%s", __FUNCTION__);
 }
 
 
-static void    usa49_glocont_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa49_glocont_callback(struct urb *urb)
 {
        struct usb_serial *serial;
        struct usb_serial_port *port;
@@ -730,7 +730,7 @@ static void usa49_glocont_callback(struct urb *urb, struct pt_regs *regs)
 
        /* This is actually called glostat in the Keyspan
           doco */
-static void    usa49_instat_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa49_instat_callback(struct urb *urb)
 {
        int                                     err;
        unsigned char                           *data = urb->transfer_buffer;
@@ -793,12 +793,12 @@ static void       usa49_instat_callback(struct urb *urb, struct pt_regs *regs)
 exit:  ;
 }
 
-static void    usa49_inack_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa49_inack_callback(struct urb *urb)
 {
        dbg ("%s", __FUNCTION__);
 }
 
-static void    usa49_indat_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa49_indat_callback(struct urb *urb)
 {
        int                     i, err;
        int                     endpoint;
@@ -851,12 +851,12 @@ static void       usa49_indat_callback(struct urb *urb, struct pt_regs *regs)
 }
 
 /* not used, usa-49 doesn't have per-port control endpoints */
-static void    usa49_outcont_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa49_outcont_callback(struct urb *urb)
 {
        dbg ("%s", __FUNCTION__);
 }
 
-static void    usa90_indat_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa90_indat_callback(struct urb *urb)
 {
        int                     i, err;
        int                     endpoint;
@@ -930,7 +930,7 @@ static void usa90_indat_callback(struct urb *urb, struct pt_regs *regs)
 }
 
 
-static void    usa90_instat_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa90_instat_callback(struct urb *urb)
 {
        unsigned char                           *data = urb->transfer_buffer;
        struct keyspan_usa90_portStatusMessage  *msg;
@@ -981,7 +981,7 @@ exit:
        ;
 }
 
-static void    usa90_outcont_callback(struct urb *urb, struct pt_regs *regs)
+static void    usa90_outcont_callback(struct urb *urb)
 {
        struct usb_serial_port *port;
        struct keyspan_port_private *p_priv;
@@ -1277,7 +1277,7 @@ static int keyspan_fake_startup (struct usb_serial *serial)
 /* Helper functions used by keyspan_setup_urbs */
 static struct urb *keyspan_setup_urb (struct usb_serial *serial, int endpoint,
                                      int dir, void *ctx, char *buf, int len,
-                                     void (*callback)(struct urb *, struct pt_regs *regs))
+                                     void (*callback)(struct urb *))
 {
        struct urb *urb;
 
@@ -1300,12 +1300,12 @@ static struct urb *keyspan_setup_urb (struct usb_serial *serial, int endpoint,
 }
 
 static struct callbacks {
-       void    (*instat_callback)(struct urb *, struct pt_regs *regs);
-       void    (*glocont_callback)(struct urb *, struct pt_regs *regs);
-       void    (*indat_callback)(struct urb *, struct pt_regs *regs);
-       void    (*outdat_callback)(struct urb *, struct pt_regs *regs);
-       void    (*inack_callback)(struct urb *, struct pt_regs *regs);
-       void    (*outcont_callback)(struct urb *, struct pt_regs *regs);
+       void    (*instat_callback)(struct urb *);
+       void    (*glocont_callback)(struct urb *);
+       void    (*indat_callback)(struct urb *);
+       void    (*outdat_callback)(struct urb *);
+       void    (*inack_callback)(struct urb *);
+       void    (*outcont_callback)(struct urb *);
 } keyspan_callbacks[] = {
        {
                /* msg_usa26 callbacks */