Merge branch 'xen-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen

[linux-2.6-omap-h63xx.git] / drivers / isdn / gigaset / usb-gigaset.c

diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index c8e1c357cec88870e4984233a93af30bb3bac70e..ca4bee173cfb05e5857dffa3c9763ec559a803b6 100644 (file)
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -138,8 +138,6 @@ struct usb_cardstate {
        char                    bchars[6];              /* for request 0x19 */
 };
 
-struct usb_bc_state {};
-
 static inline unsigned tiocm_to_gigaset(unsigned state)
 {
        return ((state & TIOCM_DTR) ? 1 : 0) | ((state & TIOCM_RTS) ? 2 : 0);
@@ -312,7 +310,6 @@ static void gigaset_modem_fill(unsigned long data)
        struct cardstate *cs = (struct cardstate *) data;
        struct bc_state *bcs = &cs->bcs[0]; /* only one channel */
        struct cmdbuf_t *cb;
-       unsigned long flags;
        int again;
 
        gig_dbg(DEBUG_OUTPUT, "modem_fill");
@@ -325,9 +322,7 @@ static void gigaset_modem_fill(unsigned long data)
        do {
                again = 0;
                if (!bcs->tx_skb) { /* no skb is being sent */
-                       spin_lock_irqsave(&cs->cmdlock, flags);
                        cb = cs->cmdbuf;
-                       spin_unlock_irqrestore(&cs->cmdlock, flags);
                        if (cb) { /* commands to send? */
                                gig_dbg(DEBUG_OUTPUT, "modem_fill: cb");
                                if (send_cb(cs, cb) < 0) {
@@ -548,13 +543,9 @@ static int gigaset_write_cmd(struct cardstate *cs, const unsigned char *buf,
 
 static int gigaset_write_room(struct cardstate *cs)
 {
-       unsigned long flags;
        unsigned bytes;
 
-       spin_lock_irqsave(&cs->cmdlock, flags);
        bytes = cs->cmdbytes;
-       spin_unlock_irqrestore(&cs->cmdlock, flags);
-
        return bytes < IF_WRITEBUF ? IF_WRITEBUF - bytes : 0;
 }
 
@@ -579,25 +570,21 @@ static int gigaset_brkchars(struct cardstate *cs, const unsigned char buf[6])
 
 static int gigaset_freebcshw(struct bc_state *bcs)
 {
-       if (!bcs->hw.usb)
-               return 0;
-       //FIXME
-       kfree(bcs->hw.usb);
+       /* unused */
        return 1;
 }
 
 /* Initialize the b-channel structure */
 static int gigaset_initbcshw(struct bc_state *bcs)
 {
-       bcs->hw.usb = kmalloc(sizeof(struct usb_bc_state), GFP_KERNEL);
-       if (!bcs->hw.usb)
-               return 0;
-
+       /* unused */
+       bcs->hw.usb = NULL;
        return 1;
 }
 
 static void gigaset_reinitbcshw(struct bc_state *bcs)
 {
+       /* nothing to do for M10x */
 }
 
 static void gigaset_freecshw(struct cardstate *cs)