[Meego-kernel] [PATCH 1/2] Cleaned up mux code to pass checkpatch

Mills, Ken K ken.k.mills at intel.com
Thu Oct 28 18:24:33 PDT 2010



Signed-off-by: kmills <ken.k.mills at intel.com>
---
 drivers/char/n_gsm.c |   87 ++++++++++++++++++++++++++-----------------------
 1 files changed, 46 insertions(+), 41 deletions(-)

diff --git a/drivers/char/n_gsm.c b/drivers/char/n_gsm.c
index e4089c4..79d8464 100644
--- a/drivers/char/n_gsm.c
+++ b/drivers/char/n_gsm.c
@@ -19,7 +19,7 @@
  *
  * TO DO:
  *	Mostly done:	ioctls for setting modes/timing
- *	Partly done: 	hooks so you can pull off frames to non tty devs
+ *	Partly done:	hooks so you can pull off frames to non tty devs
  *	Restart DLCI 0 when it closes ?
  *	Test basic encoding
  *	Improve the tx engine
@@ -287,7 +287,7 @@ static spinlock_t gsm_mux_lock;
 #define MDM_DV			0x40
 
 #define GSM0_SOF		0xF9
-#define GSM1_SOF 		0x7E
+#define GSM1_SOF		0x7E
 #define GSM1_ESCAPE		0x7D
 #define GSM1_ESCAPE_BITS	0x20
 #define XON			0x11
@@ -454,8 +454,9 @@ static void gsm_print_packet(const char *hdr, int addr, int cr,
 	default:
 		if (!(control & 0x01)) {
 			printk(KERN_CONT "I N(S)%d N(R)%d",
-				(control & 0x0E) >> 1, (control & 0xE)>> 5);
-		} else switch (control & 0x0F) {
+				(control & 0x0E) >> 1, (control & 0xE) >> 5);
+		} else
+		switch (control & 0x0F) {
 		case RR:
 			printk("RR(%d)", (control & 0xE0) >> 5);
 			break;
@@ -524,8 +525,8 @@ static void hex_packet(const unsigned char *p, int len)
 	int i;
 	for (i = 0; i < len; i++) {
 		if (i && (i % 16) == 0)
-			printk("\n");
-		printk("%02X ", *p++);
+			printk(KERN_INFO "\n");
+		printk(KERN_INFO "%02X ", *p++);
 	}
 	printk("\n");
 }
@@ -677,7 +678,7 @@ static void gsm_data_kick(struct gsm_mux *gsm)
 		}
 
 		if (debug & 4) {
-			printk("gsm_data_kick: \n");
+			printk(KERN_INFO "gsm_data_kick:\n");
 			hex_packet(gsm->txframe, len);
 		}
 
@@ -1230,7 +1231,7 @@ static void gsm_control_response(struct gsm_mux *gsm, unsigned int command,
 }
 
 /**
- *	gsm_control_transmit 	-	send control packet
+ *	gsm_control_transmit	-	send control packet
  *	@gsm: gsm mux
  *	@ctrl: frame to send
  *
@@ -1360,7 +1361,7 @@ static void gsm_dlci_close(struct gsm_dlci *dlci)
 {
 	del_timer(&dlci->t1);
 	if (debug & 8)
-		printk("DLCI %d goes closed.\n", dlci->addr);
+		printk(KERN_INFO "DLCI %d goes closed.\n", dlci->addr);
 	dlci->state = DLCI_CLOSED;
 	if (dlci->addr != 0) {
 		struct tty_struct  *tty = tty_port_tty_get(&dlci->port);
@@ -1391,7 +1392,7 @@ static void gsm_dlci_open(struct gsm_dlci *dlci)
 	/* This will let a tty open continue */
 	dlci->state = DLCI_OPEN;
 	if (debug & 8)
-		printk("DLCI %d goes open.\n", dlci->addr);
+		printk(KERN_DEBUG "DLCI %d goes open.\n", dlci->addr);
 	wake_up(&dlci->gsm->event);
 }
 
@@ -1493,29 +1494,29 @@ static void gsm_dlci_data(struct gsm_dlci *dlci, u8 *data, int len)
 	unsigned int modem = 0;
 
 	if (debug & 16)
-		printk("%d bytes for tty %p\n", len, tty);
+		printk(KERN_DEBUG "%d bytes for tty %p\n", len, tty);
 	if (tty) {
 		switch (dlci->adaption)  {
-			/* Unsupported types */
-			/* Packetised interruptible data */
-			case 4:
-				break;
-			/* Packetised uininterruptible voice/data */
-			case 3:
-				break;
-			/* Asynchronous serial with line state in each frame */
-			case 2:
-				while (gsm_read_ea(&modem, *data++) == 0) {
-					len--;
-					if (len == 0)
-						return;
-				}
-				gsm_process_modem(tty, dlci, modem);
-			/* Line state will go via DLCI 0 controls only */
-			case 1:
-			default:
-				tty_insert_flip_string(tty, data, len);
-				tty_flip_buffer_push(tty);
+		/* Unsupported types */
+		/* Packetised interruptible data */
+		case 4:
+			break;
+		/* Packetised uininterruptible voice/data */
+		case 3:
+			break;
+		/* Asynchronous serial with line state in each frame */
+		case 2:
+			while (gsm_read_ea(&modem, *data++) == 0) {
+				len--;
+				if (len == 0)
+					return;
+			}
+			gsm_process_modem(tty, dlci, modem);
+		/* Line state will go via DLCI 0 controls only */
+		case 1:
+		default:
+			tty_insert_flip_string(tty, data, len);
+			tty_flip_buffer_push(tty);
 		}
 		tty_kref_put(tty);
 	}
@@ -1652,7 +1653,7 @@ static void gsm_queue(struct gsm_mux *gsm)
 	if (gsm->fcs != GOOD_FCS) {
 		gsm->bad_fcs++;
 		if (debug & 4)
-			printk("BAD FCS %02x\n", gsm->fcs);
+			printk(KERN_INFO "BAD FCS %02x\n", gsm->fcs);
 		return;
 	}
 	address = gsm->address >> 1;
@@ -1855,7 +1856,7 @@ static void gsm1_receive(struct gsm_mux *gsm, unsigned char c)
 		gsm->state = GSM_DATA;
 		break;
 	case GSM_DATA:		/* Data */
-		if (gsm->count > gsm->mru ) {	/* Allow one for the FCS */
+		if (gsm->count > gsm->mru) {	/* Allow one for the FCS */
 			gsm->state = GSM_OVERRUN;
 			gsm->bad_size++;
 		} else
@@ -2053,7 +2054,7 @@ static int gsmld_output(struct gsm_mux *gsm, u8 *data, int len)
 		return -ENOSPC;
 	}
 	if (debug & 4) {
-		printk("-->%d bytes out\n", len);
+		printk(KERN_INFO "-->%d bytes out\n", len);
 		hex_packet(data, len);
 	}
 	gsm->tty->ops->write(gsm->tty, data, len);
@@ -2110,7 +2111,7 @@ static void gsmld_receive_buf(struct tty_struct *tty, const unsigned char *cp,
 	char flags;
 
 	if (debug & 4) {
-		printk("Inbytes %dd\n", count);
+		printk(KERN_INFO "Inbytes %dd\n", count);
 		hex_packet(cp, count);
 	}
 
@@ -2322,7 +2323,7 @@ static int gsmld_config(struct tty_struct *tty, struct gsm_mux *gsm,
 	int need_restart = 0;
 
 	/* Stuff we don't support yet - UI or I frame transport, windowing */
-	if ((c->adaption !=1 && c->adaption != 2) || c->k)
+	if ((c->adaption != 1 && c->adaption != 2) || c->k)
 		return -EOPNOTSUPP;
 	/* Check the MRU/MTU range looks sane */
 	if (c->mru > MAX_MRU || c->mtu > MAX_MTU || c->mru < 8 || c->mtu < 8)
@@ -2416,7 +2417,7 @@ static int gsmld_ioctl(struct tty_struct *tty, struct file *file,
 			c.i = 1;
 		else
 			c.i = 2;
-		printk("Ftype %d i %d\n", gsm->ftype, c.i);
+		printk(KERN_INFO "Ftype %d i %d\n", gsm->ftype, c.i);
 		c.mru = gsm->mru;
 		c.mtu = gsm->mtu;
 		c.k = 0;
@@ -2710,7 +2711,8 @@ static int __init gsm_init(void)
 	/* Fill in our line protocol discipline, and register it */
 	int status = tty_register_ldisc(N_GSM0710, &tty_ldisc_packet);
 	if (status != 0) {
-		printk(KERN_ERR "n_gsm: can't register line discipline (err = %d)\n", status);
+		printk(KERN_ERR
+		"n_gsm: can't register line discipline (err = %d)\n", status);
 		return status;
 	}
 
@@ -2728,7 +2730,7 @@ static int __init gsm_init(void)
 	gsm_tty_driver->type		= TTY_DRIVER_TYPE_SERIAL;
 	gsm_tty_driver->subtype	= SERIAL_TYPE_NORMAL;
 	gsm_tty_driver->flags	= TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV
-							| TTY_DRIVER_HARDWARE_BREAK;
+						| TTY_DRIVER_HARDWARE_BREAK;
 	gsm_tty_driver->init_termios	= tty_std_termios;
 	/* Fixme */
 	gsm_tty_driver->init_termios.c_lflag &= ~ECHO;
@@ -2742,7 +2744,8 @@ static int __init gsm_init(void)
 		printk(KERN_ERR "gsm_init: tty registration failed.\n");
 		return -EBUSY;
 	}
-	printk(KERN_INFO "gsm_init: loaded as %d,%d.\n", gsm_tty_driver->major, gsm_tty_driver->minor_start);
+	printk(KERN_INFO "gsm_init: loaded as %d,%d.\n",
+	gsm_tty_driver->major, gsm_tty_driver->minor_start);
 	return 0;
 }
 
@@ -2750,7 +2753,9 @@ static void __exit gsm_exit(void)
 {
 	int status = tty_unregister_ldisc(N_GSM0710);
 	if (status != 0)
-		printk(KERN_ERR "n_gsm: can't unregister line discipline (err = %d)\n", status);
+		printk(KERN_ERR
+		"n_gsm: can't unregister line discipline (err = %d)\n",
+		status);
 	tty_unregister_driver(gsm_tty_driver);
 	put_tty_driver(gsm_tty_driver);
 	printk(KERN_INFO "gsm_init: unloaded.\n");
-- 
1.7.0.4
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