gigaset: more patches for 2.6.29

index 3eca9c8..18dd8aa 100644
@@ -2067,7 +2067,7 @@ static int gigaset_initbcshw(struct bc_state *bcs)
 
 	bcs->hw.bas = ubc = kmalloc(sizeof(struct bas_bc_state), GFP_KERNEL);
 	if (!ubc) {
-		err("could not allocate bas_bc_state");
+		pr_err("out of memory\n");
 		return 0;
 	}
 

@@ -2081,7 +2081,7 @@ static int gigaset_initbcshw(struct bc_state *bcs)
 	ubc->isooutdone = ubc->isooutfree = ubc->isooutovfl = NULL;
 	ubc->numsub = 0;
 	if (!(ubc->isooutbuf = kmalloc(sizeof(struct isowbuf_t), GFP_KERNEL))) {
-		err("could not allocate isochronous output buffer");
+		pr_err("out of memory\n");
 		kfree(ubc);
 		bcs->hw.bas = NULL;
 		return 0;

@@ -2136,8 +2136,10 @@ static int gigaset_initcshw(struct cardstate *cs)
 	struct bas_cardstate *ucs;
 
 	cs->hw.bas = ucs = kmalloc(sizeof *ucs, GFP_KERNEL);
-	if (!ucs)
+	if (!ucs) {
+		pr_err("out of memory\n");
 		return 0;
+	}
 
 	ucs->urb_cmd_in = NULL;
 	ucs->urb_cmd_out = NULL;

@@ -2503,11 +2505,11 @@ static int __init bas_gigaset_init(void)
 	/* register this driver with the USB subsystem */
 	result = usb_register(&gigaset_usb_driver);
 	if (result < 0) {
-		err("usb_register failed (error %d)", -result);
+		pr_err("error %d registering USB driver\n", -result);
 		goto error;
 	}
 
-	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
+	pr_info(DRIVER_DESC "\n");
 	return 0;
 
 error:

index 1664e31..0048ce9 100644
@@ -580,7 +580,7 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
 	} else if ((bcs->skb = dev_alloc_skb(SBUFSIZE + HW_HDR_LEN)) != NULL)
 		skb_reserve(bcs->skb, HW_HDR_LEN);
 	else {
-		err("could not allocate skb");
+		pr_err("out of memory\n");
 		bcs->inputstate |= INS_skip_frame;
 	}
 

@@ -634,20 +634,20 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 
 	gig_dbg(DEBUG_INIT, "allocating cs");
 	if (!(cs = alloc_cs(drv))) {
-		err("maximum number of devices exceeded");
+		pr_err("maximum number of devices exceeded\n");
 		return NULL;
 	}
 
 	gig_dbg(DEBUG_INIT, "allocating bcs[0..%d]", channels - 1);
 	cs->bcs = kmalloc(channels * sizeof(struct bc_state), GFP_KERNEL);
 	if (!cs->bcs) {
-		err("out of memory");
+		pr_err("out of memory\n");
 		goto error;
 	}
 	gig_dbg(DEBUG_INIT, "allocating inbuf");
 	cs->inbuf = kmalloc(sizeof(struct inbuf_t), GFP_KERNEL);
 	if (!cs->inbuf) {
-		err("out of memory");
+		pr_err("out of memory\n");
 		goto error;
 	}
 

@@ -690,7 +690,7 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	for (i = 0; i < channels; ++i) {
 		gig_dbg(DEBUG_INIT, "setting up bcs[%d].read", i);
 		if (!gigaset_initbcs(cs->bcs + i, cs, i)) {
-			err("could not allocate channel %d data", i);
+			pr_err("could not allocate channel %d data\n", i);
 			goto error;
 		}
 	}

@@ -720,17 +720,15 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 
 	gig_dbg(DEBUG_INIT, "setting up iif");
 	if (!gigaset_register_to_LL(cs, modulename)) {
-		err("register_isdn failed");
+		pr_err("error registering ISDN device\n");
 		goto error;
 	}
 
 	make_valid(cs, VALID_ID);
 	++cs->cs_init;
 	gig_dbg(DEBUG_INIT, "setting up hw");
-	if (!cs->ops->initcshw(cs)) {
-		err("could not allocate device specific data");
+	if (!cs->ops->initcshw(cs))
 		goto error;
-	}
 
 	++cs->cs_init;
 

@@ -836,7 +834,7 @@ static void cleanup_cs(struct cardstate *cs)
 	for (i = 0; i < cs->channels; ++i) {
 		gigaset_freebcs(cs->bcs + i);
 		if (!gigaset_initbcs(cs->bcs + i, cs, i))
-			break;			//FIXME error handling
+			pr_err("could not allocate channel %d data\n", i);
 	}
 
 	if (cs->waiting) {

@@ -1120,7 +1118,7 @@ static int __init gigaset_init_module(void)
 	if (gigaset_debuglevel == 1)
 		gigaset_debuglevel = DEBUG_DEFAULT;
 
-	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
+	pr_info(DRIVER_DESC "\n");
 	return 0;
 }
 

index 901ff43..747178f 100644
@@ -16,6 +16,9 @@
 #ifndef GIGASET_H
 #define GIGASET_H
 
+/* define global prefix for pr_ macros in linux/kernel.h */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/compiler.h>
 #include <linux/types.h>

@@ -97,17 +100,6 @@ enum debuglevel {
 					 activated */
 };
 
-/* Kernel message macros for situations where dev_printk and friends cannot be
- * used for lack of reliable access to a device structure.
- * linux/usb.h already contains these but in an obsolete form which clutters
- * the log needlessly, and according to the USB maintainer those should be
- * removed rather than fixed anyway.
- */
-#undef err
-
-#define err(format, arg...) printk(KERN_ERR KBUILD_MODNAME ": " \
-	format "\n" , ## arg)
-
 #ifdef CONFIG_GIGASET_DEBUG
 
 #define gig_dbg(level, format, arg...) \

index 3c127a8..69a702f 100644
@@ -42,7 +42,7 @@ static int writebuf_from_LL(int driverID, int channel, int ack,
 	unsigned skblen;
 
 	if (!(cs = gigaset_get_cs_by_id(driverID))) {
-		err("%s: invalid driver ID (%d)", __func__, driverID);
+		pr_err("%s: invalid driver ID (%d)\n", __func__, driverID);
 		return -ENODEV;
 	}
 	if (channel < 0 || channel >= cs->channels) {

@@ -119,7 +119,7 @@ static int command_from_LL(isdn_ctrl *cntrl)
 	gigaset_debugdrivers();
 
 	if (!cs) {
-		err("%s: invalid driver ID (%d)", __func__, cntrl->driver);
+		pr_err("%s: invalid driver ID (%d)\n", __func__, cntrl->driver);
 		return -ENODEV;
 	}
 

index 956381c..94fa84b 100644
@@ -107,7 +107,7 @@ static int if_config(struct cardstate *cs, int *arg)
 		return -EBUSY;
 
 	if (!cs->connected) {
-		err("not connected!");
+		pr_err("%s: not connected\n", __func__);
 		return -ENODEV;
 	}
 

@@ -188,7 +188,7 @@ static void if_close(struct tty_struct *tty, struct file *filp)
 
 	cs = (struct cardstate *) tty->driver_data;
 	if (!cs) {
-		err("cs==NULL in %s", __func__);
+		pr_err("%s: no cardstate\n", __func__);
 		return;
 	}
 

@@ -222,7 +222,7 @@ static int if_ioctl(struct tty_struct *tty, struct file *file,
 
 	cs = (struct cardstate *) tty->driver_data;
 	if (!cs) {
-		err("cs==NULL in %s", __func__);
+		pr_err("%s: no cardstate\n", __func__);
 		return -ENODEV;
 	}
 

@@ -297,7 +297,7 @@ static int if_tiocmget(struct tty_struct *tty, struct file *file)
 
 	cs = (struct cardstate *) tty->driver_data;
 	if (!cs) {
-		err("cs==NULL in %s", __func__);
+		pr_err("%s: no cardstate\n", __func__);
 		return -ENODEV;
 	}
 

@@ -323,7 +323,7 @@ static int if_tiocmset(struct tty_struct *tty, struct file *file,
 
 	cs = (struct cardstate *) tty->driver_data;
 	if (!cs) {
-		err("cs==NULL in %s", __func__);
+		pr_err("%s: no cardstate\n", __func__);
 		return -ENODEV;
 	}
 

@@ -354,7 +354,7 @@ static int if_write(struct tty_struct *tty, const unsigned char *buf, int count)
 
 	cs = (struct cardstate *) tty->driver_data;
 	if (!cs) {
-		err("cs==NULL in %s", __func__);
+		pr_err("%s: no cardstate\n", __func__);
 		return -ENODEV;
 	}
 

@@ -388,7 +388,7 @@ static int if_write_room(struct tty_struct *tty)
 
 	cs = (struct cardstate *) tty->driver_data;
 	if (!cs) {
-		err("cs==NULL in %s", __func__);
+		pr_err("%s: no cardstate\n", __func__);
 		return -ENODEV;
 	}
 

@@ -420,7 +420,7 @@ static int if_chars_in_buffer(struct tty_struct *tty)
 
 	cs = (struct cardstate *) tty->driver_data;
 	if (!cs) {
-		err("cs==NULL in %s", __func__);
+		pr_err("%s: no cardstate\n", __func__);
 		return -ENODEV;
 	}
 

@@ -451,7 +451,7 @@ static void if_throttle(struct tty_struct *tty)
 
 	cs = (struct cardstate *) tty->driver_data;
 	if (!cs) {
-		err("cs==NULL in %s", __func__);
+		pr_err("%s: no cardstate\n", __func__);
 		return;
 	}
 

@@ -474,7 +474,7 @@ static void if_unthrottle(struct tty_struct *tty)
 
 	cs = (struct cardstate *) tty->driver_data;
 	if (!cs) {
-		err("cs==NULL in %s", __func__);
+		pr_err("%s: no cardstate\n", __func__);
 		return;
 	}
 

@@ -501,7 +501,7 @@ static void if_set_termios(struct tty_struct *tty, struct ktermios *old)
 
 	cs = (struct cardstate *) tty->driver_data;
 	if (!cs) {
-		err("cs==NULL in %s", __func__);
+		pr_err("%s: no cardstate\n", __func__);
 		return;
 	}
 

@@ -701,7 +701,7 @@ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
 
 	ret = tty_register_driver(tty);
 	if (ret < 0) {
-		err("failed to register tty driver (error %d)", ret);
+		pr_err("error %d registering tty driver\n", ret);
 		goto error;
 	}
 	gig_dbg(DEBUG_IF, "tty driver initialized");

@@ -709,7 +709,7 @@ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
 	return;
 
 enomem:
-	err("could not allocate tty structures");
+	pr_err("out of memory\n");
 error:
 	if (drv->tty)
 		put_tty_driver(drv->tty);

index fbce522..4b8b585 100644
@@ -173,13 +173,13 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size)
 		__func__, read, write, limit);
 #ifdef CONFIG_GIGASET_DEBUG
 	if (unlikely(size < 0 || size > BAS_OUTBUFPAD)) {
-		err("invalid size %d", size);
+		pr_err("invalid size %d\n", size);
 		return -EINVAL;
 	}
 	src = iwb->read;
 	if (unlikely(limit > BAS_OUTBUFSIZE + BAS_OUTBUFPAD ||
 		     (read < src && limit >= src))) {
-		err("isoc write buffer frame reservation violated");
+		pr_err("isoc write buffer frame reservation violated\n");
 		return -EFAULT;
 	}
 #endif

index b306a2f..ac245e7 100644
@@ -407,7 +407,7 @@ static int gigaset_initcshw(struct cardstate *cs)
 	int rc;
 
 	if (!(cs->hw.ser = kzalloc(sizeof(struct ser_cardstate), GFP_KERNEL))) {
-		err("%s: out of memory!", __func__);
+		pr_err("out of memory\n");
 		return 0;
 	}
 

@@ -415,7 +415,7 @@ static int gigaset_initcshw(struct cardstate *cs)
 	cs->hw.ser->dev.id = cs->minor_index;
 	cs->hw.ser->dev.dev.release = gigaset_device_release;
 	if ((rc = platform_device_register(&cs->hw.ser->dev)) != 0) {
-		err("error %d registering platform device", rc);
+		pr_err("error %d registering platform device\n", rc);
 		kfree(cs->hw.ser);
 		cs->hw.ser = NULL;
 		return 0;

@@ -513,10 +513,10 @@ gigaset_tty_open(struct tty_struct *tty)
 
 	gig_dbg(DEBUG_INIT, "Starting HLL for Gigaset M101");
 
-	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
+	pr_info(DRIVER_DESC "\n");
 
 	if (!driver) {
-		err("%s: no driver structure", __func__);
+		pr_err("%s: no driver structure\n", __func__);
 		return -ENODEV;
 	}
 

@@ -572,7 +572,7 @@ gigaset_tty_close(struct tty_struct *tty)
 	tty->disc_data = NULL;
 
 	if (!cs->hw.ser)
-		err("%s: no hw cardstate", __func__);
+		pr_err("%s: no hw cardstate\n", __func__);
 	else {
 		/* wait for running methods to finish */
 		if (!atomic_dec_and_test(&cs->hw.ser->refcnt))

@@ -772,7 +772,7 @@ static int __init ser_gigaset_init(void)
 
 	gig_dbg(DEBUG_INIT, "%s", __func__);
 	if ((rc = platform_driver_register(&device_driver)) != 0) {
-		err("error %d registering platform driver", rc);
+		pr_err("error %d registering platform driver\n", rc);
 		return rc;
 	}
 

@@ -783,7 +783,7 @@ static int __init ser_gigaset_init(void)
 		goto error;
 
 	if ((rc = tty_register_ldisc(N_GIGASET_M101, &gigaset_ldisc)) != 0) {
-		err("error %d registering line discipline", rc);
+		pr_err("error %d registering line discipline\n", rc);
 		goto error;
 	}
 

@@ -810,7 +810,7 @@ static void __exit ser_gigaset_exit(void)
 	}
 
 	if ((rc = tty_unregister_ldisc(N_GIGASET_M101)) != 0)
-		err("error %d unregistering line discipline", rc);
+		pr_err("error %d unregistering line discipline\n", rc);
 
 	platform_driver_unregister(&device_driver);
 }

index e847c6e..fba61f6 100644
@@ -407,7 +407,7 @@ static void gigaset_read_int_callback(struct urb *urb)
 	spin_lock_irqsave(&cs->lock, flags);
 	if (!cs->connected) {
 		spin_unlock_irqrestore(&cs->lock, flags);
-		err("%s: disconnected", __func__);
+		pr_err("%s: disconnected\n", __func__);
 		return;
 	}
 	r = usb_submit_urb(urb, GFP_ATOMIC);

@@ -440,7 +440,7 @@ static void gigaset_write_bulk_callback(struct urb *urb)
 
 	spin_lock_irqsave(&cs->lock, flags);
 	if (!cs->connected) {
-		err("%s: not connected", __func__);
+		pr_err("%s: disconnected\n", __func__);
 	} else {
 		cs->hw.usb->busy = 0;
 		tasklet_schedule(&cs->write_tasklet);

@@ -612,8 +612,10 @@ static int gigaset_initcshw(struct cardstate *cs)
 
 	cs->hw.usb = ucs =
 		kmalloc(sizeof(struct usb_cardstate), GFP_KERNEL);
-	if (!ucs)
+	if (!ucs) {
+		pr_err("out of memory\n");
 		return 0;
+	}
 
 	ucs->bchars[0] = 0;
 	ucs->bchars[1] = 0;

@@ -936,12 +938,11 @@ static int __init usb_gigaset_init(void)
 	/* register this driver with the USB subsystem */
 	result = usb_register(&gigaset_usb_driver);
 	if (result < 0) {
-		err("usb_gigaset: usb_register failed (error %d)",
-		    -result);
+		pr_err("error %d registering USB driver\n", -result);
 		goto error;
 	}
 
-	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
+	pr_info(DRIVER_DESC "\n");
 	return 0;
 
 error:

index c2bd97d..2a4ce96 100644
@@ -17,8 +17,6 @@
 #include <linux/crc-ccitt.h>
 #include <linux/bitrev.h>
 
-//#define GIG_M10x_STUFF_VOICE_DATA
-
 /* check if byte must be stuffed/escaped
  * I'm not sure which data should be encoded.
  * Therefore I will go the hard way and decode every value

@@ -147,19 +145,17 @@ static inline int hdlc_loop(unsigned char c, unsigned char *src, int numbytes,
 			}
 byte_stuff:
 			c ^= PPP_TRANS;
-#ifdef CONFIG_GIGASET_DEBUG
 			if (unlikely(!muststuff(c)))
 				gig_dbg(DEBUG_HDLC, "byte stuffed: 0x%02x", c);
-#endif
 		} else if (unlikely(c == PPP_FLAG)) {
 			if (unlikely(inputstate & INS_skip_frame)) {
-				if (!(inputstate & INS_have_data)) { /* 7E 7E */
 #ifdef CONFIG_GIGASET_DEBUG
+				if (!(inputstate & INS_have_data)) { /* 7E 7E */
 					++bcs->emptycount;
-#endif
 				} else
 					gig_dbg(DEBUG_HDLC,
 					    "7e----------------------------");
+#endif
 
 				/* end of frame */
 				error = 1;

@@ -226,11 +222,9 @@ byte_stuff:
 			}
 
 			break;
-#ifdef CONFIG_GIGASET_DEBUG
 		} else if (unlikely(muststuff(c))) {
 			/* Should not happen. Possible after ZDLE=1<CR><LF>. */
 			gig_dbg(DEBUG_HDLC, "not byte stuffed: 0x%02x", c);
-#endif
 		}
 
 		/* add character */

@@ -394,20 +388,16 @@ void gigaset_m10x_input(struct inbuf_t *inbuf)
 					inbuf->inputstate &= ~INS_DLE_char;
 					switch (c) {
 					case 'X': /*begin of command*/
-#ifdef CONFIG_GIGASET_DEBUG
 						if (inbuf->inputstate & INS_command)
-							dev_err(cs->dev,
+							dev_warn(cs->dev,
 					"received <DLE> 'X' in command mode\n");
-#endif
 						inbuf->inputstate |=
 							INS_command | INS_DLE_command;
 						break;
 					case '.': /*end of command*/
-#ifdef CONFIG_GIGASET_DEBUG
 						if (!(inbuf->inputstate & INS_command))
-							dev_err(cs->dev,
+							dev_warn(cs->dev,
 					"received <DLE> '.' in hdlc mode\n");
-#endif
 						inbuf->inputstate &= cs->dle ?
 							~(INS_DLE_command|INS_command)
 							: ~INS_DLE_command;

73 lines not on this page · raw message

index 94fa84b..311e7ca 100644
@@ -143,9 +143,6 @@ static const struct tty_operations if_ops = {
 	.set_termios =		if_set_termios,
 	.throttle =		if_throttle,
 	.unthrottle =		if_unthrottle,
-#if 0
-	.break_ctl =		serial_break,
-#endif
 	.tiocmget =		if_tiocmget,
 	.tiocmset =		if_tiocmset,
 };

@@ -565,29 +562,6 @@ static void if_set_termios(struct tty_struct *tty, struct ktermios *old)
 
 	cs->ops->set_line_ctrl(cs, cflag);
 
-#if 0
-	//FIXME this hangs M101 [ts 2005-03-09]
-	//FIXME do we need this?
-	/*
-	 * Set flow control: well, I do not really now how to handle DTR/RTS.
-	 * Just do what we have seen with SniffUSB on Win98.
-	 */
-	/* Drop DTR/RTS if no flow control otherwise assert */
-	gig_dbg(DEBUG_IF, "%u: control_state %x",
-		cs->minor_index, control_state);
-	new_state = control_state;
-	if ((iflag & IXOFF) || (iflag & IXON) || (cflag & CRTSCTS))
-		new_state |= TIOCM_DTR | TIOCM_RTS;
-	else
-		new_state &= ~(TIOCM_DTR | TIOCM_RTS);
-	if (new_state != control_state) {
-		gig_dbg(DEBUG_IF, "%u: new_state %x",
-			cs->minor_index, new_state);
-		gigaset_set_modem_ctrl(cs, control_state, new_state);
-		control_state = new_state;
-	}
-#endif
-
 	/* save off the modified port settings */
 	cs->control_state = control_state;
 

index 4b8b585..b171e75 100644
@@ -88,11 +88,9 @@ static inline int isowbuf_startwrite(struct isowbuf_t *iwb)
 			__func__);
 		return 0;
 	}
-#ifdef CONFIG_GIGASET_DEBUG
 	gig_dbg(DEBUG_ISO,
 		"%s: acquired iso write semaphore, data[write]=%02x, nbits=%d",
 		__func__, iwb->data[iwb->write], iwb->wbits);
-#endif
 	return 1;
 }