[PATCH] isdn4linux: Siemens Gigaset drivers: code cleanup

With Hansjoerg Lipp <hjlipp@web.de>

Source code formatting cleanups for the Siemens Gigaset drivers, such as line
length, comments, removal of unused declarations, and typo corrections.  It
does not introduce any functional changes.

Signed-off-by: Hansjoerg Lipp <hjlipp@web.de>
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Cc: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/isdn/gigaset/asyncdata.c

@@ -11,10 +11,6 @@
  *	published by the Free Software Foundation; either version 2 of
  *	the License, or (at your option) any later version.
  * =====================================================================
- * ToDo: ...
- * =====================================================================
- * Version: $Id: asyncdata.c,v 1.2.2.7 2005/11/13 23:05:18 hjlipp Exp $
- * =====================================================================
  */
 
 #include "gigaset.h"
@@ -58,7 +54,8 @@ static inline int cmd_loop(unsigned char c, unsigned char *src, int numbytes,
 			dbg(DEBUG_TRANSCMD, "%s: End of Command (%d Bytes)",
 			    __func__, cbytes);
 			cs->cbytes = cbytes;
-			gigaset_handle_modem_response(cs); /* can change cs->dle */
+			gigaset_handle_modem_response(cs); /* can change
+							      cs->dle */
 			cbytes = 0;
 
 			if (cs->dle &&
@@ -100,7 +97,8 @@ static inline int lock_loop(unsigned char *src, int numbytes,
 {
 	struct cardstate *cs = inbuf->cs;
 
-	gigaset_dbg_buffer(DEBUG_LOCKCMD, "received response", numbytes, src, 0);
+	gigaset_dbg_buffer(DEBUG_LOCKCMD, "received response",
+			   numbytes, src, 0);
 	gigaset_if_receive(cs, src, numbytes);
 
 	return numbytes;
@@ -392,8 +390,7 @@ void gigaset_m10x_input(struct inbuf_t *inbuf)
 
 				if (!(inbuf->inputstate & INS_DLE_char)) {
 
-					/* FIXME Einfach je nach Modus Funktionszeiger in cs setzen [hier+hdlc_loop]?  */
-					/* FIXME Spart folgendes "if" und ermoeglicht andere Protokolle */
+					/* FIXME use function pointers?  */
 					if (inbuf->inputstate & INS_command)
 						procbytes = cmd_loop(c, src, numbytes, inbuf);
 					else if (inbuf->bcs->proto2 == ISDN_PROTO_L2_HDLC)

drivers/isdn/gigaset/bas-gigaset.c

@@ -13,10 +13,6 @@
  *	published by the Free Software Foundation; either version 2 of
  *	the License, or (at your option) any later version.
  * =====================================================================
- * ToDo: ...
- * =====================================================================
- * Version: $Id: bas-gigaset.c,v 1.52.4.19 2006/02/04 18:28:16 hjlipp Exp $
- * =====================================================================
  */
 
 #include "gigaset.h"
@@ -70,9 +66,6 @@ static struct usb_device_id gigaset_table [] = {
 
 MODULE_DEVICE_TABLE(usb, gigaset_table);
 
-/* Get a minor range for your devices from the usb maintainer */
-#define USB_SKEL_MINOR_BASE	200
-
 /*======================= local function prototypes =============================*/
 
 /* This function is called if a new device is connected to the USB port. It
@@ -240,7 +233,8 @@ static inline void dump_urb(enum debuglevel level, const char *tag,
 		    (unsigned long) urb->context,
 		    (unsigned long) urb->complete);
 		for (i = 0; i < urb->number_of_packets; i++) {
-			struct usb_iso_packet_descriptor *pifd = &urb->iso_frame_desc[i];
+			struct usb_iso_packet_descriptor *pifd
+				= &urb->iso_frame_desc[i];
 			dbg(level,
 			    "    {offset=%u, length=%u, actual_length=%u, "
 			    "status=%u}",
@@ -777,10 +771,11 @@ static void read_iso_callback(struct urb *urb, struct pt_regs *regs)
 			urb->iso_frame_desc[i].actual_length = 0;
 		}
 		if (likely(atomic_read(&ubc->running))) {
-			urb->dev = bcs->cs->hw.bas->udev;	/* clobbered by USB subsystem */
+			urb->dev = bcs->cs->hw.bas->udev; /* clobbered by USB subsystem */
 			urb->transfer_flags = URB_ISO_ASAP;
 			urb->number_of_packets = BAS_NUMFRAMES;
-			dbg(DEBUG_ISO, "%s: isoc read overrun/resubmit", __func__);
+			dbg(DEBUG_ISO, "%s: isoc read overrun/resubmit",
+			    __func__);
 			rc = usb_submit_urb(urb, SLAB_ATOMIC);
 			if (unlikely(rc != 0)) {
 				err("could not resubmit isochronous read URB: %s",
@@ -989,7 +984,7 @@ static int submit_iso_write_urb(struct isow_urbctx_t *ucx)
 	ubc = ucx->bcs->hw.bas;
 	IFNULLRETVAL(ubc, -EFAULT);
 
-	urb->dev = ucx->bcs->cs->hw.bas->udev;	/* clobbered by USB subsystem */
+	urb->dev = ucx->bcs->cs->hw.bas->udev; /* clobbered by USB subsystem */
 	urb->transfer_flags = URB_ISO_ASAP;
 	urb->transfer_buffer = ubc->isooutbuf->data;
 	urb->transfer_buffer_length = sizeof(ubc->isooutbuf->data);
@@ -1011,7 +1006,8 @@ static int submit_iso_write_urb(struct isow_urbctx_t *ucx)
 		//dbg(DEBUG_ISO, "%s: frame %d length=%d", __func__, nframe, ifd->length);
 
 		/* retrieve block of data to send */
-		ifd->offset = gigaset_isowbuf_getbytes(ubc->isooutbuf, ifd->length);
+		ifd->offset = gigaset_isowbuf_getbytes(ubc->isooutbuf,
+						       ifd->length);
 		if (ifd->offset < 0) {
 			if (ifd->offset == -EBUSY) {
 				dbg(DEBUG_ISO, "%s: buffer busy at frame %d",
@@ -1123,7 +1119,8 @@ static void write_iso_tasklet(unsigned long data)
 			break;
 		case -EXDEV:			/* inspect individual frames */
 			/* assumptions (for lack of documentation):
-			 * - actual_length bytes of the frame in error are successfully sent
+			 * - actual_length bytes of the frame in error are
+			 *   successfully sent
 			 * - all following frames are not sent at all
 			 */
 			dbg(DEBUG_ISO, "%s: URB partially completed", __func__);
@@ -1260,7 +1257,8 @@ static void read_iso_tasklet(unsigned long data)
 		switch (urb->status) {
 		case 0:				/* normal completion */
 			break;
-		case -EXDEV:			/* inspect individual frames (we do that anyway) */
+		case -EXDEV:			/* inspect individual frames
+						   (we do that anyway) */
 			dbg(DEBUG_ISO, "%s: URB partially completed", __func__);
 			break;
 		case -ENOENT:
@@ -1284,8 +1282,8 @@ static void read_iso_tasklet(unsigned long data)
 		totleft = urb->actual_length;
 		for (frame = 0; totleft > 0 && frame < BAS_NUMFRAMES; frame++) {
 			if (unlikely(urb->iso_frame_desc[frame].status)) {
-				warn("isochronous read: frame %d: %s",
-				     frame, get_usb_statmsg(urb->iso_frame_desc[frame].status));
+				warn("isochronous read: frame %d: %s", frame,
+				     get_usb_statmsg(urb->iso_frame_desc[frame].status));
 				break;
 			}
 			numbytes = urb->iso_frame_desc[frame].actual_length;
@@ -1318,7 +1316,7 @@ static void read_iso_tasklet(unsigned long data)
 			urb->iso_frame_desc[frame].status = 0;
 			urb->iso_frame_desc[frame].actual_length = 0;
 		}
-		urb->dev = bcs->cs->hw.bas->udev;	/* clobbered by USB subsystem */
+		urb->dev = bcs->cs->hw.bas->udev; /* clobbered by USB subsystem */
 		urb->transfer_flags = URB_ISO_ASAP;
 		urb->number_of_packets = BAS_NUMFRAMES;
 		if ((rc = usb_submit_urb(urb, SLAB_ATOMIC)) != 0) {
@@ -1792,7 +1790,8 @@ static int start_cbsend(struct cardstate *cs)
  *	cs		controller state structure
  *	buf		command string to send
  *	len		number of bytes to send (max. IF_WRITEBUF)
- *	wake_tasklet	tasklet to run when transmission is completed (NULL if none)
+ *	wake_tasklet	tasklet to run when transmission is completed
+ *			(NULL if none)
  * return value:
  *	number of bytes queued on success
  *	error code < 0 on error
@@ -1849,7 +1848,8 @@ static int gigaset_write_cmd(struct cardstate *cs,
 
 /* gigaset_write_room
  * tty_driver.write_room interface routine
- * return number of characters the driver will accept to be written via gigaset_write_cmd
+ * return number of characters the driver will accept to be written via
+ * gigaset_write_cmd
  * parameter:
  *	controller state structure
  * return value:
@@ -2299,7 +2299,8 @@ static int __init bas_gigaset_init(void)
 		goto error;
 
 	/* allocate memory for our device state and intialize it */
-	cardstate = gigaset_initcs(driver, 2, 0, 0, cidmode, GIGASET_MODULENAME);
+	cardstate = gigaset_initcs(driver, 2, 0, 0, cidmode,
+				   GIGASET_MODULENAME);
 	if (!cardstate)
 		goto error;
 

drivers/isdn/gigaset/common.c

@@ -11,10 +11,6 @@
  *	published by the Free Software Foundation; either version 2 of
  *	the License, or (at your option) any later version.
  * =====================================================================
- * ToDo: ...
- * =====================================================================
- * Version: $Id: common.c,v 1.104.4.22 2006/02/04 18:28:16 hjlipp Exp $
- * =====================================================================
  */
 
 #include "gigaset.h"
@@ -101,7 +97,8 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
 	} else {
 		numin = len < sizeof inbuf ? len : sizeof inbuf;
 		in = inbuf;
-		if (copy_from_user(inbuf, (const unsigned char __user *) buf, numin)) {
+		if (copy_from_user(inbuf, (const unsigned char __user *) buf,
+				   numin)) {
 			strncpy(inbuf, "<FAULT>", sizeof inbuf);
 			numin = sizeof "<FAULT>" - 1;
 		}
@@ -425,7 +422,8 @@ void gigaset_freecs(struct cardstate *cs)
 
 	spin_lock_irqsave(&cs->lock, flags);
 	atomic_set(&cs->running, 0);
-	spin_unlock_irqrestore(&cs->lock, flags); /* event handler and timer are not rescheduled below */
+	spin_unlock_irqrestore(&cs->lock, flags); /* event handler and timer are
+						     not rescheduled below */
 
 	tasklet_kill(&cs->event_tasklet);
 	del_timer_sync(&cs->timer);
@@ -563,7 +561,6 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
 	if (cs->ops->initbcshw(bcs))
 		return bcs;
 
-//error:
 	dbg(DEBUG_INIT, "  failed");
 
 	dbg(DEBUG_INIT, "  freeing bcs[%d]->skb", channel);
@@ -580,7 +577,8 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
  * parameters:
  *      drv		hardware driver the device belongs to
  *	channels	number of B channels supported by device
- *	onechannel	!=0: B channel data and AT commands share one communication channel
+ *	onechannel	!=0: B channel data and AT commands share one
+ *			     communication channel
  *			==0: B channels have separate communication channels
  *	ignoreframes	number of frames to ignore after setting up B channel
  *	cidmode		!=0: start in CallID mode
@@ -619,7 +617,8 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	atomic_set(&cs->ev_tail, 0);
 	atomic_set(&cs->ev_head, 0);
 	init_MUTEX_LOCKED(&cs->sem);
-	tasklet_init(&cs->event_tasklet, &gigaset_handle_event, (unsigned long) cs);
+	tasklet_init(&cs->event_tasklet, &gigaset_handle_event,
+		     (unsigned long) cs);
 	atomic_set(&cs->commands_pending, 0);
 	cs->cur_at_seq = 0;
 	cs->gotfwver = -1;
@@ -669,14 +668,6 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	cs->curlen = 0;
 	cs->cmdbytes = 0;
 
-	/*
-	 * Tell the ISDN4Linux subsystem (the LL) that
-	 * a driver for a USB-Device is available !
-	 * If this is done, "isdnctrl" is able to bind a device for this driver even
-	 * if no physical usb-device is currently connected.
-	 * But this device will just be accessable if a physical USB device is connected
-	 * (via "gigaset_probe") .
-	 */
 	dbg(DEBUG_INIT, "setting up iif");
 	if (!gigaset_register_to_LL(cs, modulename)) {
 		err("register_isdn=>error");
@@ -713,7 +704,8 @@ error:	if (cs)
 }
 EXPORT_SYMBOL_GPL(gigaset_initcs);
 
-/* ReInitialize the b-channel structure */ /* e.g. called on hangup, disconnect */
+/* ReInitialize the b-channel structure */
+/* e.g. called on hangup, disconnect */
 void gigaset_bcs_reinit(struct bc_state *bcs)
 {
 	struct sk_buff *skb;
@@ -723,7 +715,7 @@ void gigaset_bcs_reinit(struct bc_state *bcs)
 	while ((skb = skb_dequeue(&bcs->squeue)) != NULL)
 		dev_kfree_skb(skb);
 
-	spin_lock_irqsave(&cs->lock, flags); //FIXME
+	spin_lock_irqsave(&cs->lock, flags);
 	clear_at_state(&bcs->at_state);
 	bcs->at_state.ConState = 0;
 	bcs->at_state.timer_active = 0;
@@ -805,7 +797,6 @@ int gigaset_start(struct cardstate *cs)
 {
 	if (down_interruptible(&cs->sem))
 		return 0;
-	//info("USB device for Gigaset 307x now attached to Dev %d", ucs->minor);
 
 	atomic_set(&cs->connected, 1);
 
@@ -954,7 +945,8 @@ void gigaset_debugdrivers(void)
 			dbg(DEBUG_DRIVER, "    flags 0x%02x", drv->flags[i]);
 			cs = drv->cs + i;
 			dbg(DEBUG_DRIVER, "    cardstate %p", cs);
-			dbg(DEBUG_DRIVER, "    minor_index %u", cs->minor_index);
+			dbg(DEBUG_DRIVER, "    minor_index %u",
+			    cs->minor_index);
 			dbg(DEBUG_DRIVER, "    driver %p", cs->driver);
 			dbg(DEBUG_DRIVER, "    i4l id %d", cs->myid);
 		}
@@ -1016,7 +1008,7 @@ EXPORT_SYMBOL_GPL(gigaset_freedriver);
  * parameters:
  *      minor           First minor number
  *      minors          Number of minors this driver can handle
- *      procname        Name of the driver (e.g. for /proc/tty/drivers, path in /proc/driver)
+ *      procname        Name of the driver
  *      devname         Name of the device files (prefix without minor number)
  *      devfsname       Devfs name of the device files without %d
  * return value: