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authorAlan Cox <alan@redhat.com>2008-07-22 06:15:45 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-22 16:03:26 -0400
commit19e58fae0c8f197d80fcea338b94fb5740369bc1 (patch)
tree28396f6f32a08e4c3c3f60f3926b1077eafba6ae /drivers/usb
parent2a77c8144992e21367cc15956b0ff295f1112c85 (diff)
tty-usb-option: Coding style
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/serial/option.c65
1 files changed, 35 insertions, 30 deletions
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 4350990abf14..e4eca95f2b0f 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -43,8 +43,10 @@
43#include <linux/usb/serial.h> 43#include <linux/usb/serial.h>
44 44
45/* Function prototypes */ 45/* Function prototypes */
46static int option_open(struct tty_struct *tty, struct usb_serial_port *port, struct file *filp); 46static int option_open(struct tty_struct *tty, struct usb_serial_port *port,
47static void option_close(struct tty_struct *tty, struct usb_serial_port *port, struct file *filp); 47 struct file *filp);
48static void option_close(struct tty_struct *tty, struct usb_serial_port *port,
49 struct file *filp);
48static int option_startup(struct usb_serial *serial); 50static int option_startup(struct usb_serial *serial);
49static void option_shutdown(struct usb_serial *serial); 51static void option_shutdown(struct usb_serial *serial);
50static int option_write_room(struct tty_struct *tty); 52static int option_write_room(struct tty_struct *tty);
@@ -393,15 +395,15 @@ static int __init option_init(void)
393 return 0; 395 return 0;
394 396
395failed_driver_register: 397failed_driver_register:
396 usb_serial_deregister (&option_1port_device); 398 usb_serial_deregister(&option_1port_device);
397failed_1port_device_register: 399failed_1port_device_register:
398 return retval; 400 return retval;
399} 401}
400 402
401static void __exit option_exit(void) 403static void __exit option_exit(void)
402{ 404{
403 usb_deregister (&option_driver); 405 usb_deregister(&option_driver);
404 usb_serial_deregister (&option_1port_device); 406 usb_serial_deregister(&option_1port_device);
405} 407}
406 408
407module_init(option_init); 409module_init(option_init);
@@ -471,7 +473,7 @@ static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
471 473
472 i = 0; 474 i = 0;
473 left = count; 475 left = count;
474 for (i=0; left > 0 && i < N_OUT_URB; i++) { 476 for (i = 0; left > 0 && i < N_OUT_URB; i++) {
475 todo = left; 477 todo = left;
476 if (todo > OUT_BUFLEN) 478 if (todo > OUT_BUFLEN)
477 todo = OUT_BUFLEN; 479 todo = OUT_BUFLEN;
@@ -492,7 +494,7 @@ static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
492 usb_pipeendpoint(this_urb->pipe), i); 494 usb_pipeendpoint(this_urb->pipe), i);
493 495
494 /* send the data */ 496 /* send the data */
495 memcpy (this_urb->transfer_buffer, buf, todo); 497 memcpy(this_urb->transfer_buffer, buf, todo);
496 this_urb->transfer_buffer_length = todo; 498 this_urb->transfer_buffer_length = todo;
497 499
498 this_urb->dev = port->serial->dev; 500 this_urb->dev = port->serial->dev;
@@ -583,7 +585,7 @@ static void option_instat_callback(struct urb *urb)
583 struct usb_serial *serial = port->serial; 585 struct usb_serial *serial = port->serial;
584 586
585 dbg("%s", __func__); 587 dbg("%s", __func__);
586 dbg("%s: urb %p port %p has data %p", __func__,urb,port,portdata); 588 dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
587 589
588 if (status == 0) { 590 if (status == 0) {
589 struct usb_ctrlrequest *req_pkt = 591 struct usb_ctrlrequest *req_pkt =
@@ -613,7 +615,7 @@ static void option_instat_callback(struct urb *urb)
613 tty_hangup(port->port.tty); 615 tty_hangup(port->port.tty);
614 } else { 616 } else {
615 dbg("%s: type %x req %x", __func__, 617 dbg("%s: type %x req %x", __func__,
616 req_pkt->bRequestType,req_pkt->bRequest); 618 req_pkt->bRequestType, req_pkt->bRequest);
617 } 619 }
618 } else 620 } else
619 dbg("%s: error %d", __func__, status); 621 dbg("%s: error %d", __func__, status);
@@ -639,7 +641,7 @@ static int option_write_room(struct tty_struct *tty)
639 portdata = usb_get_serial_port_data(port); 641 portdata = usb_get_serial_port_data(port);
640 642
641 643
642 for (i=0; i < N_OUT_URB; i++) { 644 for (i = 0; i < N_OUT_URB; i++) {
643 this_urb = portdata->out_urbs[i]; 645 this_urb = portdata->out_urbs[i];
644 if (this_urb && !test_bit(i, &portdata->out_busy)) 646 if (this_urb && !test_bit(i, &portdata->out_busy))
645 data_len += OUT_BUFLEN; 647 data_len += OUT_BUFLEN;
@@ -659,7 +661,7 @@ static int option_chars_in_buffer(struct tty_struct *tty)
659 661
660 portdata = usb_get_serial_port_data(port); 662 portdata = usb_get_serial_port_data(port);
661 663
662 for (i=0; i < N_OUT_URB; i++) { 664 for (i = 0; i < N_OUT_URB; i++) {
663 this_urb = portdata->out_urbs[i]; 665 this_urb = portdata->out_urbs[i];
664 /* FIXME: This locking is insufficient as this_urb may 666 /* FIXME: This locking is insufficient as this_urb may
665 go unused during the test */ 667 go unused during the test */
@@ -689,7 +691,7 @@ static int option_open(struct tty_struct *tty,
689 /* Reset low level data toggle and start reading from endpoints */ 691 /* Reset low level data toggle and start reading from endpoints */
690 for (i = 0; i < N_IN_URB; i++) { 692 for (i = 0; i < N_IN_URB; i++) {
691 urb = portdata->in_urbs[i]; 693 urb = portdata->in_urbs[i];
692 if (! urb) 694 if (!urb)
693 continue; 695 continue;
694 if (urb->dev != serial->dev) { 696 if (urb->dev != serial->dev) {
695 dbg("%s: dev %p != %p", __func__, 697 dbg("%s: dev %p != %p", __func__,
@@ -714,7 +716,7 @@ static int option_open(struct tty_struct *tty,
714 /* Reset low level data toggle on out endpoints */ 716 /* Reset low level data toggle on out endpoints */
715 for (i = 0; i < N_OUT_URB; i++) { 717 for (i = 0; i < N_OUT_URB; i++) {
716 urb = portdata->out_urbs[i]; 718 urb = portdata->out_urbs[i];
717 if (! urb) 719 if (!urb)
718 continue; 720 continue;
719 urb->dev = serial->dev; 721 urb->dev = serial->dev;
720 /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), 722 /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
@@ -726,7 +728,7 @@ static int option_open(struct tty_struct *tty,
726 728
727 option_send_setup(tty, port); 729 option_send_setup(tty, port);
728 730
729 return (0); 731 return 0;
730} 732}
731 733
732static void option_close(struct tty_struct *tty, 734static void option_close(struct tty_struct *tty,
@@ -784,7 +786,7 @@ static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint,
784/* Setup urbs */ 786/* Setup urbs */
785static void option_setup_urbs(struct usb_serial *serial) 787static void option_setup_urbs(struct usb_serial *serial)
786{ 788{
787 int i,j; 789 int i, j;
788 struct usb_serial_port *port; 790 struct usb_serial_port *port;
789 struct option_port_private *portdata; 791 struct option_port_private *portdata;
790 792
@@ -794,18 +796,22 @@ static void option_setup_urbs(struct usb_serial *serial)
794 port = serial->port[i]; 796 port = serial->port[i];
795 portdata = usb_get_serial_port_data(port); 797 portdata = usb_get_serial_port_data(port);
796 798
797 /* Do indat endpoints first */ 799 /* Do indat endpoints first */
798 for (j = 0; j < N_IN_URB; ++j) { 800 for (j = 0; j < N_IN_URB; ++j) {
799 portdata->in_urbs[j] = option_setup_urb (serial, 801 portdata->in_urbs[j] = option_setup_urb(serial,
800 port->bulk_in_endpointAddress, USB_DIR_IN, port, 802 port->bulk_in_endpointAddress,
801 portdata->in_buffer[j], IN_BUFLEN, option_indat_callback); 803 USB_DIR_IN, port,
804 portdata->in_buffer[j],
805 IN_BUFLEN, option_indat_callback);
802 } 806 }
803 807
804 /* outdat endpoints */ 808 /* outdat endpoints */
805 for (j = 0; j < N_OUT_URB; ++j) { 809 for (j = 0; j < N_OUT_URB; ++j) {
806 portdata->out_urbs[j] = option_setup_urb (serial, 810 portdata->out_urbs[j] = option_setup_urb(serial,
807 port->bulk_out_endpointAddress, USB_DIR_OUT, port, 811 port->bulk_out_endpointAddress,
808 portdata->out_buffer[j], OUT_BUFLEN, option_outdat_callback); 812 USB_DIR_OUT, port,
813 portdata->out_buffer[j],
814 OUT_BUFLEN, option_outdat_callback);
809 } 815 }
810 } 816 }
811} 817}
@@ -834,8 +840,8 @@ static int option_send_setup(struct tty_struct *tty,
834 val |= 0x02; 840 val |= 0x02;
835 841
836 return usb_control_msg(serial->dev, 842 return usb_control_msg(serial->dev,
837 usb_rcvctrlpipe(serial->dev, 0), 843 usb_rcvctrlpipe(serial->dev, 0),
838 0x22,0x21,val,ifNum,NULL,0,USB_CTRL_SET_TIMEOUT); 844 0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
839 } 845 }
840 return 0; 846 return 0;
841} 847}
@@ -856,7 +862,7 @@ static int option_startup(struct usb_serial *serial)
856 if (!portdata) { 862 if (!portdata) {
857 dbg("%s: kmalloc for option_port_private (%d) failed!.", 863 dbg("%s: kmalloc for option_port_private (%d) failed!.",
858 __func__, i); 864 __func__, i);
859 return (1); 865 return 1;
860 } 866 }
861 867
862 for (j = 0; j < N_IN_URB; j++) { 868 for (j = 0; j < N_IN_URB; j++) {
@@ -875,17 +881,15 @@ static int option_startup(struct usb_serial *serial)
875 881
876 usb_set_serial_port_data(port, portdata); 882 usb_set_serial_port_data(port, portdata);
877 883
878 if (! port->interrupt_in_urb) 884 if (!port->interrupt_in_urb)
879 continue; 885 continue;
880 err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); 886 err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
881 if (err) 887 if (err)
882 dbg("%s: submit irq_in urb failed %d", 888 dbg("%s: submit irq_in urb failed %d",
883 __func__, err); 889 __func__, err);
884 } 890 }
885
886 option_setup_urbs(serial); 891 option_setup_urbs(serial);
887 892 return 0;
888 return (0);
889 893
890bail_out_error2: 894bail_out_error2:
891 for (j = 0; j < N_OUT_URB; j++) 895 for (j = 0; j < N_OUT_URB; j++)
@@ -924,7 +928,8 @@ static void option_shutdown(struct usb_serial *serial)
924 for (j = 0; j < N_IN_URB; j++) { 928 for (j = 0; j < N_IN_URB; j++) {
925 if (portdata->in_urbs[j]) { 929 if (portdata->in_urbs[j]) {
926 usb_free_urb(portdata->in_urbs[j]); 930 usb_free_urb(portdata->in_urbs[j]);
927 free_page((unsigned long)portdata->in_buffer[j]); 931 free_page((unsigned long)
932 portdata->in_buffer[j]);
928 portdata->in_urbs[j] = NULL; 933 portdata->in_urbs[j] = NULL;
929 } 934 }
930 } 935 }